Entries |
Document | Title | Date |
20080200296 | Electrically-Variable Transmission with Two Differential Gear Sets - An electrically-variable transmission having two differential gear sets and two motor/generators uses four torque-transmitting mechanisms and selective as well as continuous connecting members and preferably provides an input-split operating mode and an output-split operating mode. | 08-21-2008 |
20080207372 | THREE MODE ELECTRICALLY-VARIABLE TRANSMISSION - An electrically-variable transmission is provided with first and second motor/generators and three planetary gear sets. The planetary gear sets have continuous interconnections, and selective connections via a plurality of torque-transmitting mechanisms, that provide three forward electrically-variable modes. Preferably, the planetary gear sets are characterized by effective gear ratios such that a substantially equal maximum torque is required from each of the motor/generators during the three forward electrically-variable modes for a given torque on the input member. This allows the first and second motor/generators to be substantially equal in size. | 08-28-2008 |
20080207373 | ELECTRICALLY-VARIABLE TRANSMISSION HAVING TWO FORWARD LOW RANGE ELECTRICALLY-VARIABLE MODES AND A REVERSE ELECTRICALLY-VARIABLE MODE - An electrically-variable transmission is provided with input member and output member, first and second motor/generators, a first planetary gear set and multiple additional planetary gear sets as well as at least four torque-transmitting mechanisms that are selectively engagable alone or in different combinations to establish a reverse electrically-variable operating mode, at least three forward electrically-variable operating modes, including two low range forward electrically-variable modes and a high range forward electrically-variable mode | 08-28-2008 |
20080207374 | Drive apparatus - A hybrid drive unit that includes an input shaft connected to an engine; an output shaft connected to wheels; a first rotary electric machine; a second rotary electric machine connected to the output shaft; a power distribution device that distributes a rotational driving force of the input shaft to the output shaft and to the first rotary electric machine; a second rotary electric machine fixing device that selectively fixes a rotor of the second rotary electric machine; and a transmission cutoff device capable of cutting off transmission of rotation between the output shaft and the second rotary electric machine at least in a state when the rotor of the second rotary electric machine is fixed. | 08-28-2008 |
20080214347 | Drive Unit Comprising Nested Electric Motors - A drive unit ( | 09-04-2008 |
20080227576 | Device for Power Transmission Between a Heat Engine Output and an Axle Shaft and Related Power Transmission Method - The present invention concerns a device ( | 09-18-2008 |
20080227577 | Hybrid transmission - In a hybrid transmission for a hybrid motor vehicle, with split power driving ranges, discrete gear steps and two electric drive motors ( | 09-18-2008 |
20080234087 | Power Transmission Device and Process Implementing Such Device - The present invention concerns essentially a power transmission device ( | 09-25-2008 |
20080242463 | Control device and control method for hybrid vehicle - In a hybrid vehicle that includes an engine and a motor-generator connected to the engine through a power split device, upon acceleration in a running state, there may arise a case where the rotational speed of the MG | 10-02-2008 |
20080248909 | ELECTRICALLY VARIABLE TRANSMISSIONS HAVING TWO PLANETARY GEAR SETS AND CLUTCHED INPUT - The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, four or five selectable torque transmitting devices, and possibly a dog clutch. The selectable torque transmitting devices are engaged to yield an EVT with a continuously variable range of speeds (including reverse) and at least one mechanically fixed forward speed ratio. The torque transmitting devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode. | 10-09-2008 |
20080254928 | Infinitely-Variable Power-Branching Transmission with Two Operating Modes, Comprising Three Planetary Trains - An infinitely-variable power-branching transmission with two operating modes. The transmission components are distributed between two power paths connecting in parallel a heat engine to vehicle wheels, including at least first planetary trains, two electrical machines, and a reduction stage. A third planetary train co-operates with control members to establish the two transmission operating modes and to switch therebetween. | 10-16-2008 |
20080261740 | VEHICULAR POWER TRANSMITTING APPARATUS - A case in which a vehicular power transmitting apparatus is stored, has: an annular support portion which surrounds an outer periphery of a planetary gear set and supports a fixed element from among a plurality of gears and a carrier of the planetary gear set; an outer peripheral wall portion that surrounds the annular support portion; a flange portion that forms a mounting surface on an outer portion of the outer peripheral wall portion; and a dividing wall portion which extends to the outside from the annular support portion toward the outer peripheral wall portion and the flange portion, and which forms the flange portion and the mounting surface and divides spaces within the case. A joining portion, in which a fastening hole to which the fastening member is joined and whose axis passes through the dividing wall portion is formed, is integrally formed with the dividing wall portion. | 10-23-2008 |
20080305907 | INPUT BRAKE ASSEMBLY - An input brake assembly is provided for selectively grounding a transmission input member. The packaging location of the input brake assembly does not interfere with, and thus still allows the option of providing a bypass clutch for a flex plate-type flywheel connecting the engine with the transmission input member. The input brake assembly includes a flywheel, preferably a flex plate, for transferring rotary torque between the engine and the transmission input member and a ring gear secured to the outer periphery of the flex plate. A pinion gear is axially movable into and out of meshing engagement with the ring gear. A grounding device is operatively connected to the pinion gear and is operable to prevent rotation of the pinion gear, thereby braking the flex plate as well as the transmission input member operatively connected thereto when the pinion gear is in meshing engagement with the ring gear. | 12-11-2008 |
20080312021 | Power output apparatus and hybrid vehicle equipped with power output apparatus - A hybrid vehicle | 12-18-2008 |
20080318720 | DRIVING DEVICE FOR HYBRID VEHICLE - A driving device for a hybrid vehicle including: an engine; an electric motor; a power combination/distribution mechanism which is disposed between both the engine and the electric motor and one pair of front wheels and rear wheels so as to combine and distribute power generated from the engine and the electric motor; and a transmission mechanism which is disposed between the engine and the other pair of the front wheels and the rear wheels, wherein the power combination/distribution mechanism is a planetary gear mechanism having a sun gear, a carrier, and a ring gear; an output shaft of the electric motor is connected to the carrier; and wherein rotational driving ranges in the electric motor are set to each of a normal rotation direction and a reverse rotation direction. | 12-25-2008 |
20080318721 | Power output apparatus and hybrid vehicle with power output apparatus - A hybrid vehicle | 12-25-2008 |
20090011886 | Method And Apparatus For Operating A Transmission Oil Pump - The invention relates to a method for monitoring the function of a motor-vehicle transmission oil pump ( | 01-08-2009 |
20090011887 | Hybrid Driving Apparatus, and Control Method Thereof - In a hybrid driving apparatus, a gear mechanism ( | 01-08-2009 |
20090023529 | Hybrid vehicle drive device - A hybrid vehicle drive device includes an input shaft to which power from an engine is input; an electric generator; an electric motor; a counter gear that transmits power to a drive shaft; a differential gear device that includes a first gear component connected to a rotation shaft of the electric generator, a second gear component connected to the input shaft, and a third gear component connected to the counter gear; and an oil pump that generates hydraulic pressure. | 01-22-2009 |
20090029819 | CONTROLLER OF DRIVING DEVICE FOR VEHICLE - A transmission mechanism including a switching clutch or brake that is switchable between a continuously-variable shifting state and a step-variable shifting state, and has both an advantage of improved fuel economy provided by a transmission, the speed ratio of which is electrically variable, and an advantage of high power transmitting efficiency provided by a gear type power transmitting device constructed for mechanical transmission of power. While a clutch-to-clutch shifting action of an automatic transmission portion is in a tie-up state, a differential portion is placed in a continuously-variable shifting state by switching control, and engine speed is changed under the control of hybrid control, so as to prevent a drop of the engine speed for thereby reducing a shock of the shifting action, unlike in a non-continuously-variable shifting state of the differential portion in which the engine speed is directly influenced by the tie-up state. | 01-29-2009 |
20090036246 | Hybrid Powertrain with Efficient Electric-Only Mode - A hybrid powertrain includes a hybrid electromechanical transmission and a power source. A planetary gear set having a first, a second, and a third member connects the power source with a first and a second motor/generator. A battery is operatively connected to the motor/generators for receiving power therefrom and delivering power thereto. An input member rotates with the first member, the first motor/generator rotates with the second member, and the second motor/generator rotates with the output member. A first torque-transmitting mechanism is engagable to connect the second motor/generator for rotation with the third member. The battery and the second motor/generator provide an electric-only operating mode to power the output member when the first torque-transmitting mechanism is not engaged; the power source, planetary gear set and first motor/generator thereby being disconnected from the output member during the electric-only operating mode to prevent parasitic drag. | 02-05-2009 |
20090054190 | Power transmission device for hybrid vehicle - The present invention provides a power transmission device for a hybrid vehicle which provides an effect of reducing engine vibration, facilitates engine clutch control, and has a package type layout enabling mass production. | 02-26-2009 |
20090062052 | Power transmission device for hybrid vehicle - The present invention provides a layout of a power transmission device for a hybrid vehicle which provides a high damping force a high damping force against engine fluctuation at low RPM operation by an engine | 03-05-2009 |
20090075771 | SELF-CONTAINED ROTARY ACTUATOR - A method for providing a compact rotary action torque within a larger system comprising a cross-roller bearing, generating a controllable electromagnetic field using a motor stator while interfacing the cross-roller bearing using a bull gear. The bull gear interfaces the cross-roller bearing and includes gear-teeth. An output plate includes a ring gear and supports shaft bearings. The ring gear interfaces the output plate and includes gear-teeth. A drive shaft holds a prime mover rotor and an eccentric and associates with the output plate via the shaft bearings. A gear train includes a meshing gear having gear-teeth for meshing with the gear-teeth of the bull gear and the gear-teeth of the ring gear and walks a minimal number of the gear-teeth for each rotation of the prime mover rotor; thereby, providing a transmitting force from the prime mover along the shortest-possible transmission path. | 03-19-2009 |
20090082150 | ELECTRO-MECHANICAL TRANSMISSION CONTROL SYSTEM - A system for robust fault detection in an electrically variable, hydraulically controlled transmission includes independently monitoring hydraulic pressure within a hydraulic control circuit and electric machine rotation for detecting clutch state faults. | 03-26-2009 |
20090082151 | DRIVE DEVICE FOR VEHICLE AND METHOD OF ASSEMBLING THE SAME - A vehicular drive system including a first electric motor, a power distributing mechanism, and a second electric motor disposed on a first axis, and an automatic transmission portion disposed on a second axis parallel to the first axis, and a power transmitting member at an end of the first axis remote from an input rotary member and a rotary member at an end of the second axis remote from the input rotary member are connected to each other through a drive linkage, thereby a total axial dimension of the first electric motor, power distributing mechanism, and second electric motor and an axial dimension of the automatic transmission portion are substantially equal to each other, whereby the axial dimension of the drive system is reduced. A housing of the vehicular drive system includes mutually separate first, second, third, and fourth casing portions, so the drive system can be easily assembled. | 03-26-2009 |
20090082152 | Vehicular driving power distribution device - A driving power distribution device includes a propeller shaft that transmits the driving power generated by an engine, a differential device having a planetary gear device that is provided concentrically with the axial center of rotation of the propeller shaft, and a hydraulic motor fixed to the propeller shaft. The ring gear of the planetary gear device is coupled to the propeller shaft. The carrier is connected to a right rear wheel. The sun gear is connected to a left rear wheel. Inner pinions of the planetary gear device are driven by the hydraulic motor. Therefore, while the driving power generated by the engine is being distributed to the right and left rear wheels, a control of generating a desired torque difference or restricting the differential motion can be performed. Also, the actuator torque capacity can be reduced, so that size reduction of the device is made possible. | 03-26-2009 |
20090088279 | METHOD AND APPARATUS TO DETECT A MODE-GEAR MISMATCH DURING STEADY STATE OPERATION OF AN ELECTRO-MECHANICAL TRANSMISSION - Control of operation of a hybrid powertrain is provided, wherein mechanical power flow to an output is controlled through selective actuation of torque-transfer clutches. Electric machines are coupled to an energy storage system for electric power flow. The electro-mechanical transmission is operated in a continuously variable operating range state, and, operation of the transmission is monitored. Absence of a mismatch between the commanded continuously variable operating range state and an actual operating state of the transmission is determined. Presence of a mismatch between the commanded operating range state and the actual operating state of the transmission may be determined. Operation of the powertrain is modified when a mismatch between the commanded operating range state and the actual operating state of the transmission is detected. | 04-02-2009 |
20090093330 | Hybrid vehicle drive system - A drive system of a hybrid vehicle, including an engine, a first electric motor, a second electric motor operatively connected to a drive wheel of the hybrid vehicle, and two planetary gear mechanisms, and wherein the two planetary gear mechanisms have at least four rotary elements arranged to permit the drive system to be placed in a selected one of a first operation mode in which the rotary element connected to the engine and the rotary element connected to the first electric motor are disposed on opposite sides of the rotary element connected to the drive wheel and the second electric motor, as seen in a collinear chart in which the four rotary elements are located at respective four different positions along a base line, and a second operation mode in which the rotary element connected to the first electric motor and the rotary element connected to the drive wheel and the second electric motor are disposed on opposite sides of the rotary element connected to the engine, as seen in said collinear chart. | 04-09-2009 |
20090093331 | Hybrid drive device - A hybrid drive device includes an input member connected to an engine; an output member connected to a wheel; a first rotating electrical machine; a second rotating electrical machine connected to the output member; and a differential gear device including at least four rotational elements. The input member, the output member, and the first rotating electrical machine are respectively connected to different rotational elements of the differential gear device. The output member is capable of selectively connecting to one of two rotational elements of the differential gear device to which neither the input member nor the first rotating electrical machine is connected. | 04-09-2009 |
20090093332 | ELECTRICALLY VARIABLE TRANSMISSION HAVING THREE PLANETARY GEAR SETS WITH TWO FIXED INTERCONNECTIONS - The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and four or five mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode. | 04-09-2009 |
20090098968 | Hybrid Powertrain With Single Electric Motor Integrated Within Automatic Transmission - A hybrid transmission is provided that is operatively connectable to an engine. The transmission has an electric motor and a clutch, which may be a brake-type clutch or a rotating-type clutch, depending on the embodiment, integrated within the transmission. Absent the electric motor and the clutch, and with the addition of a torque converter and torque converter lock-up clutch, the transmission would be a non-hybrid, operable automatic transmission. The transmission is operable to provide an electric-only operating ode, an engine-only operating mode, an electrically-variable operating mode and a parallel hybrid operating mode. | 04-16-2009 |
20090098969 | DRIVE DEVICE FOR VEHICLE - A miniaturized vehicular drive apparatus is provided with a reduced size in an axial direction without increasing the number of parallel shafts. A first electric motor M | 04-16-2009 |
20090098970 | High-Efficiency Vehicular Transmission - A high-efficiency vehicular transmission is provided. The transmission includes a transmission housing, a set of torque delivery elements which include first and second elements supported for rotation within the housing and an electric motor for changing angular velocity of at least one of the elements in response to an electrical signal during a shift to obtain a desired transmission ratio. At least one non-friction controllable coupling assembly has a coupling state for coupling the first element to either the second element or the housing and an uncoupling state for uncoupling the first element from either the second element or the housing, respectively. The at least one coupling assembly is non-hydraulically controlled to change state to maintain the desired transmission ratio. | 04-16-2009 |
20090111635 | Electrically-Variable Transmission with Compounded Output Gearing - An electrically-variable transmission is provided with first and second motor/generators and three planetary gear assemblies. At least one of the planetary gear assemblies is a planetary gear assembly having multiple planetary gear sets. As a result, the gears for the planetary gear assembly can be represented on multiple radial planes. Each of the planetary gear assemblies has continuous interconnections, and selective connections via a plurality of torque-transmitting mechanisms, that provide three forward electrically-variable modes. Preferably, the planetary gear assemblies are connected to one another in such a manner as to allow shifting between one of the electrically-variable modes to occur at a point offset from a mechanical power flow of the transmission. This decreases the maximum power output required from the motor/generators. | 04-30-2009 |
20090170649 | POWER SPLIT DUAL INPUT SHAFT TRANSMISSION FOR VEHICLE - A vehicle transmission includes at least two driving shafts to which power is transmitted from a power source, a driven shaft to which power is transmitted from the driving shafts, drive transmission mechanisms disposed between the driving shafts and the driven shaft, and a switching mechanism that selectively enables power transmission via the drive transmission mechanisms. The driving shafts are disposed concentrically and fitted rotatably relative to each other. The driving shafts are parallel to the driven shaft. A first drive unit is disposed coaxially with the driving shafts. A second drive unit is disposed coaxially with the driven shaft. The first and second drive units are interconnected so as to send and receive powers changed in energy form to and from each other. The transmission thus constructed is excellent in power transmission efficiency, quietness, vehicle mountability, etc., and can realize continuously variable speed change. | 07-02-2009 |
20090176610 | Two-Mode Electrically Variable Transmission - An electrically variable transmission (EVT) is provided with input member and output member, first and second motor/generators, a first and a second planetary gear set, and a final drive gearset. Two torque-transmitting mechanisms that are selectively engagable alone or in different combinations to establish an electric-only operating mode, an input split mode, a compound split mode, and a neutral mode. The first torque-transmitting mechanism may be configured as a one-way clutch in parallel with a friction clutch or a dog clutch, or configured as a lockable one-way clutch. A vehicle having the EVT may be driven electrically using one or both motor/generators, up to a maximum speed of the motor/generators. There are no slipping clutches when operated in an electric-only operating mode, and the engine provides most of the power for high-speed cruising. The EVT can transition from input split mode to compound split mode by synchronous shift. | 07-09-2009 |
20090176611 | Auxiliary Unit Drive for a motor vehicle - In an auxiliary unit drive for a motor vehicle, having planetary gearing (P), with a sun gear (S) of the planetary gearing (P) connected in a power-transmitting fashion to a first electric machine (EM | 07-09-2009 |
20090186734 | VEHICLE HYBRID POWERTRAIN SYSTEM AND METHOD OF OPERATING SAME - A torque-producing machine and planetary gear set biases torque between primary and secondary drivelines of a vehicle. A first element of the planetary gear set is connected to an upstream torque source. A second element of the planetary gear set is connected to the secondary driveline. A third element of the planetary gear set is connected to a torque-producing biasing machine. | 07-23-2009 |
20090186735 | Hybrid drive unit - A hybrid drive unit includes an input member connected to an engine; an output member connected to wheels; a rotary electric machine; and a pair of planetary gear units that each have at least three rotation elements. The hybrid drive unit is capable of realizing a plurality of shift speeds, one planetary gear unit of the pair of planetary gear units comprises at least one fixed rotation element that serves as a rotation element whose rotation is stopped by a non-rotating member, the one planetary gear unit serving as a decelerating planetary gear unit that decelerates a rotation of the rotary electric machine and transmits a decelerated rotation to the output member at all of the shift speeds, and the other planetary gear unit of the pair of planetary gear units serves as a shifting planetary gear unit that transmits a rotation of the input member to the output member. | 07-23-2009 |
20090197727 | AXLE DRIVE UNIT FOR A HYBRID ELECTRIC VEHICLE - A drive unit for a hybrid electric motor vehicle includes an engine, an electric machine including a rotor, a layshaft gearset including an input driveably connected to the engine and an output, for transmitting power between the input and the output and producing a first speed differential that causes a speed of the input to exceed a speed of the output, first and second driveshafts, a differential mechanism driveably connected to said output, for transmitting power between said output and the driveshafts, and a planetary gear unit driveably connected to the output and the rotor, for transmitting power between said rotor and said output and producing a second speed differential that causes a speed of the rotor to exceed the speed of the output. | 08-06-2009 |
20090197728 | AXLE DRIVE UNIT FOR A HYBRID ELECTRIC VEHICLE - A drive unit for a hybrid electric motor vehicle includes an engine, an electric motor/generator, a layshaft supporting a first coupler and a second coupler, a first drive path including the layshaft and the first coupler for driveably connecting and disconnecting the engine and the motor/generator, and a second drive path including the layshaft and the second coupler for driveably connecting and disconnecting the engine and an output of the drive unit, the first coupler and the second coupler being operative to connect concurrently the engine, the motor/generator and said output. | 08-06-2009 |
20090209381 | TWO MODE ELECTRO-MECHANICAL TRANSMISSION AND CONTROL - A two mode power-split electric hybrid system and a method of control said hybrid system. The hybrid system is comprised of an engine, a transmission, an energy storage device and a control system for effecting said control method. Said transmission is a reconfigurable power split system, comprising a power-splitting device and an output power path selecting device. The power splitting device includes a compound planetary gear system and two electric machines which form a local series electric hybrid system. Said transmission regulates the output power state of said hybrid system by controlling power flow within said local series hybrid system. The hybrid system provides at least two operating mode, an output power split mode and a compound power split mode. Said control system includes multiple controllers and control modules. In accordance with the operating conditions of the hybrid system, said control system computes and sets system power requirement, allocates ob board power resources and sets engine operating speed and torque. In addition, said control system sets the operation mode of the transmission and controls the engine speed by adjusting operating torque of electric machines, based on the differential signal between reference engine speed and actual engine speed. Said control system is also capable of controlling engine torque through engine controller. | 08-20-2009 |
20090209382 | Control apparatus of vehicle drive apparatus - In one embodiment, when a switching clutch or a switching brake is engaged and thus a differential of a differential unit is limited, the gear ratio of a continuously variable transmission unit is adjusted. On the other hand, when the switching clutch and the switching brake are both released and thus the differential of the differential unit is not limited, an overall gear ratio obtained from the gear ratio of the differential unit and the gear ratio of the continuously variable transmission unit is adjusted. | 08-20-2009 |
20090221390 | Hybrid Transmission for Hybrid Vehicles - A hybrid transmission described herein comprises a planetary gear arrangement and a clutch including two electromagnetic clutch portions used to interconnect an internal combustion engine, an electric traction motor, an electric motor/generator and driving wheels of a hybrid vehicle. The hybrid transmission described herein allows various modes of operation. | 09-03-2009 |
20090247341 | POWER PLANT - To provide a power plant which is capable of improving the driving efficiency and electric power-generating efficiency thereof. A first transmission | 10-01-2009 |
20090253543 | HYDRAULIC CLUTCH CONTROL SYSTEM - A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions is characterized by fluid pressure being unavailable to at least one of the clutches. | 10-08-2009 |
20090275436 | ELECTRIC VARIABLE TRANSMISSION FOR HYBRID ELECTRIC VEHICLES WITH FOUR FORWARD MODES AND SIX FIXED GEARS - The present disclosure provides a power split transmission with four Electric Variable Transmission (EVT) modes and six fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, and five selectively engageable clutches. The clutches are engaged in different combinations to engage the different gears and EVT modes. In the six fixed gears, power is transmitted only on the mechanical path for the highest transmission efficiency. In the four EVT modes, a part of the power is transmitted electrically. The EVT modes are designed for the lowest power split ratios, allowing the use of low powered E-motors. Additionally, the present disclosure can include a front E-motor design allowing scalable E-motors and a modular transmission design, and a middle E-motor design. | 11-05-2009 |
20090275437 | ELECTRIC VARIABLE TRANSMISSION FOR HYBRID ELECTRIC VEHICLES WITH TWO FORWARD MODES AND FOUR FIXED GEARS - The present disclosure provides a power split transmission with two Electric Variable Transmission (EVT) modes and four fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, and four selectively engageable clutches. The clutches are engaged in different combinations to engage the different gears and EVT modes. In the four fixed gears, power is transmitted only on the mechanical path for the highest transmission efficiency. In the two EVT modes, a part of the power is transmitted electrically. Alternatively, the E-motors can be located in the middle integrated with the transmission design. Advantageously, the present invention works with lower component speeds than existing two-mode hybrid transmissions. This can be achieved with a front E-motor design enabling modularity and also with a center E-motor design. | 11-05-2009 |
20090275438 | ELECTRIC VARIABLE TRANSMISSION FOR HYBRID ELECTRIC VEHICLES WITH THREE FORWARD MODES, ONE REVERSE MODE, AND FIVE FIXED GEARS - The present disclosure provides a power split transmission with three forward Electric Variable Transmission (EVT) modes, one reverse EVT mode, and five fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, three selectively engageable clutches, and two selectively engageable brakes. The clutches and brakes are engaged in different combinations to engage the different gears and EVT modes. In the five fixed gears, power is transmitted only on the mechanical path for the highest transmission efficiency. In the EVT modes, a part of the power is transmitted electrically. Additionally, the present disclosure includes a front E-motor designed allowing scalable E-motors and a modular transmission design and a center E-motor design. | 11-05-2009 |
20090275439 | SEMI-POWER SPLIT HYBRID TRANSMISSION WITH MULTIPLE MODES AND FIXED GEARS - The present disclosure provides a semi-power split transmission with multiple Electric Variable Transmission (EVT) modes and fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, and two planetary gear sets. The planetary gear sets can include a dual-sun. Ravigneaux-type gear set (DS-RGS), a dual-ring Ravigneaux-type gear set (DR-RGS), a three-sun Ravigneaux-type gear set (TS-RGS), and a normal planetary gear set (PGS). The E-motors can be placed at the front end of the transmission, with one E-motor at the front and one in the middle between the gear sets, and with both E-motors in the middle between the gear sets. | 11-05-2009 |
20090280941 | HYBRID POWERTRAIN HAVING A MULTI-SPEED TRANSMISSION - A hybrid powertrain includes an internal combustion engine, at least one electric machine and a multi-speed transmission. The electric machine is connected to a shaft between the internal combustion engine and the multi-speed transmission. The transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include clutches and brakes arranged within a transmission housing. | 11-12-2009 |
20090298634 | HYBRID POWER DRIVING SYSTEM - A hybrid power driving system includes a planetary gear mechanism having a first rotating component, a second rotating component, and a third rotating component. The system also includes an electric motor operatively coupled to the first rotating component, a clutch, an internal-combustion engine operatively coupled to the first rotating component by the clutch, and a brake operatively coupled to the second rotating component and configured to control the second rotating component in a locked position or in an unlocked position. The third rotating component is operatively coupled to an output end to provide rotational power. | 12-03-2009 |
20090305831 | Hubs incorporating a variable ratio transmission system - A hub comprises a cylindrical, hollow hub member ( | 12-10-2009 |
20090312128 | POWER TRAIN OF HYBRID VEHICLE - A power train according to an embodiment of the invention includes three sets of planetary gear sets, one clutch, and two brakes, such that it provides two electric vehicle modes, two hybrid modes, and two engine modes of overdrive shift ratio. Further, the power train of a hybrid vehicle has a simple configuration, high power performance, and reduced weight and fuel consumption, while being easily equipped in the vehicle. In particular, since an engine mode that makes it possible to reduce a significant amount of fuel consumption especially when a vehicle is traveling at a constant high-velocity. | 12-17-2009 |
20090312129 | POWER TRAIN OF HYBRID VEHICLE - A power train according to an embodiment of the invention includes two sets of planetary gear set, one clutch, and two brakes, such that it provides one electric vehicle mode, two hybrid modes, and one engine mode of overdrive shift ratio. Further, the power train of a hybrid vehicle has a simple configuration, high power performance, and reduced weight and fuel consumption, while being easily equipped in the vehicle. In particular, since an engine mode that makes it possible to reduce a significant amount of fuel consumption especially when a vehicle is traveling at a constant high-velocity. | 12-17-2009 |
20090312130 | POWER TRAIN OF HYBRID VEHICLE - A power train of a hybrid vehicle according to the invention has a simple configuration, high power performance, and reduced weight and fuel consumption, while being easily equipped in the vehicle. In particular, it is possible to reduce a significant amount of fuel consumption especially when a vehicle is traveling at a constant high-velocity. | 12-17-2009 |
20100029428 | POWER PLANT - To provide a power plant which is capable of reducing power passing through a distributing and combining device, thereby making it possible to attain reduction of the size and manufacturing costs of the power plant and enhance driving efficiency of the same. The power plant | 02-04-2010 |
20100029429 | GEAR TRAIN UNIT WITH MOTOR GENERATOR - A gear train unit with a motor-generator having a first planetary gear mechanism, a second planetary gear mechanism, an input shaft, an output shaft, a first clutch, and a second clutch is disclosed. The first planetary gear mechanism includes a first sun gear, a first ring gear, and a first carrier. The second planetary gear mechanism has a second sun gear, a second ring gear, and a second carrier. The second sun gear is connected to the first sun gear. The input shaft is connected to the second ring gear. The output shaft is connected to both the first ring gear and the second carrier. The first clutch selectively connects and disconnects the first carrier to and from the motor-generator. The second clutch selectively connects and disconnects the first sun gear and the second sun gear to and from the motor-generator. | 02-04-2010 |
20100035715 | Hybrid Electric Vehicle Powertrain with an Enhanced All-Electric Drive Mode - A parallel hybrid electric vehicle powertrain is disclosed. A gearing assembly mechanically couples an engine, an electric motor and an electric generator. During all-electric drive using the motor as a power source with the engine off, a clutch in the gearing assembly isolates elements of the gearing assembly from a power delivery path to vehicle traction wheels. | 02-11-2010 |
20100035716 | VARIABLE SPEED ACCESSORY DRIVE SYSTEM - The present invention provides an accessory drive system for a vehicle. The accessory drive system includes a planetary gear set having a first, second, and third planetary member. A torque transfer device operatively connects an engine with the first planetary member. A motor/generator is operatively connected to the second planetary member, and a plurality of accessories are operatively connected to the third planetary member. Engine output is transferable through the planetary gear set to drive the accessories, and the speed at which the accessories are driven is selectable by controlling the speed of the motor/generator. | 02-11-2010 |
20100041502 | Power transmission apparatus of hybrid vehicle - A drive unit includes an input shaft connected to an engine, a power conversion unit including rotating electric machines and planetary gears to convert power applied from the input shaft, and gears as the power output unit transmitting power output from the power conversion unit to a drive shaft of the vehicle. Planetary gears of the power conversion unit are formed separately from the gears. The rotating electric machines of the power conversion unit are stored in a unitary case. | 02-18-2010 |
20100041503 | MULTI-SPEED PLANETARY COUPLING GEAR - A multi-speed planetary coupling transmission ( | 02-18-2010 |
20100048338 | Dual mode input split compound split configuration EPPV transmission - An improved dual mode EPPV transmission hybrid electric drive system uses a combination of power sources including an internal combustion engine, a first electric motor, and a second electric motor, and provides more efficient operation and compact installation. The improved dual mode EPPV transmission hybrid electric drive system includes a first planetary gear set including a first sun gear linked to a first ring gear via a pinion on a first carrier, and a second planetary gear set including a second sun gear linked to a second ring gear via a pinion on a second carrier, wherein the various elements of the planetary gear sets are configured to allow a dual mode synchronous shift operation. The system includes a first clutch and a second clutch, both of which may be dry clutches, for changing the mode of the transmission from a high mode to a low mode and vice versa. | 02-25-2010 |
20100069191 | 8-Speed Hybrid Transmission Architectures - The hybrid powertrain has a plurality of members that can be utilized to provide eight forward speed ratios and one reverse speed ratio in a hybrid transmission architecture. The transmission includes three planetary gear sets having five torque-transmitting devices and four fixed interconnections. The powertrain includes an engine, a damper, a pump, an engine disconnect clutch, and a drive motor, all operatively connected with the transmission to provide strong hybrid operating capability. | 03-18-2010 |
20100069192 | POWER TRANSMISSION UNIT AND METHOD FOR ASSEMBLING SAME - A power transmission unit including an electric motor with a rotor arranged on an inner circumference of a stator and concentrically with the stator, and a transmission mechanism for transmitting power. A portion of a predetermined constructional element of the transmission mechanism protrudes toward the stator or rotor side, and the protruding portion functions as a guide portion for inserting the rotor into the stator concentrically. Thereby, a convenience in assembling an electric motor to be arranged adjacent to a transmission mechanism of a power transmission unit in a casing is realized. | 03-18-2010 |
20100081533 | HYBRID POWER TRAIN OF VEHICLE - The present invention makes it possible to implement various stepped gear modes and a compound split type hybrid mode in a relatively simple structure using two planetary gear sets and two motor generators, reduce fuel consumption of a vehicle in a relatively large section, minimize fuel consumption at a high speed by implementing an overdrive stepped gear mode, and improve acceleration performance and gradient performance of the vehicle by implementing an underdrive stepped gear mode. | 04-01-2010 |
20100099532 | Hybrid drive method and apparatus - A method and apparatus that limits the amount of rotating mass in a hybrid drive system that can use an internal combustion engine driving a motor/generator through an electronically controllable clutch. The engine can thus turn the generator to charge a battery. A second clutch can connect this motor/generator to a differential to directly drive the wheels, or to receive braking energy from the wheels. A second electric motor/generator can be coupled directly into the differential so that it can always drive the wheels or recapture braking energy. The two clutch system of the present invention allows several modes: 1) The internal combustion motor drives the generator charging the battery, while the other motor drives the wheels. 2) Both motors drive the wheels. The internal combustion engine can be running or not running. 3) One motor recaptures energy from braking. 4) Both motors recapture energy from braking. 5) The first motor is used to start the engine. In one embodiment of the invention, multiple tandem electric motors can be clutched in and out as needed. | 04-22-2010 |
20100113202 | Single motor clutchless CVT without torque converter - A single motor clutchless, torque converter-less buffer system is provided for linking an engine ( | 05-06-2010 |
20100120569 | DRIVING APPARATUS FOR HYBRID VEHICLE - A driving apparatus for a hybrid vehicle that includes an input shaft linked to an engine; a generator; a motor; a differential gear device including a first gear element linked to a rotary shaft of the generator, a second gear element linked to the input shaft, and a third gear element that transmits power to a drive shaft; and a counter gear that is linked to the third gear element of the differential gear device and drive-linked to the motor. | 05-13-2010 |
20100130321 | Vehicle hybrid driving apparatus - A vehicle hybrid driving apparatus that has an engine and an electric motor as drive power sources includes: a hydraulic pressure generation mechanism that generates hydraulic pressure using drive force from the engine; and a planetary gear ratio shift device that has three rotating elements: a first rotating element, a second rotating element, and a third rotating element. The first rotating element is linked to the electric motor so that power transmission therebetween is possible, and is also linked to the engine via a clutch so that power transmission therebetween is possible. The second rotating element is selectively linked to a stationary member via a brake. The third rotating element is linked to an output shaft so that power transmission therebetween is possible. The brake connects the second rotating element and the stationary member when the hydraulic pressure from the hydraulic pressure generation mechanism is not supplied. | 05-27-2010 |
20100137090 | ELECTRICALLY VARIABLE TRANSMISSION WITH MODULAR CONSTRUCTION - An electrically-variable transmission is provided with substantially identical motor modules to simplify assembly and realize economies of scale in purchasing and testing the motor modules. First and second motor modules are packaged within a transmission casing and are operatively connecting the input member and the output member and coaxially arranged about the axis of rotation. Each motor module includes a respective motor/generator with a rotor rotatable about the axis of rotation and defining a rotor cavity. A planetary gear set is packaged within the cavity and has a first, a second and a third member. A rotor hub supports the rotor and has first and second annular end portions at opposing ends of the rotor hub, and an annular midportion connected for common rotation with the first member of the planetary gear set. A selectively engagable rotating-type clutch is packaged within the cavity and connected with the rotor hub. | 06-03-2010 |
20100137091 | POWER TRAIN OF HYBRID VEHICLE - The present invention provide a power train of a hybrid vehicle that can be mounted in plug-in hybrid vehicles as well as environment-friendly vehicles, while reducing the cost and weight with less parts and a simple structure, ensuring good mounting characteristics in a vehicle, and improving fuel efficiency and power performance. | 06-03-2010 |
20100179009 | ELECTRICALLY-VARIABLE TRANSMISSION - Various embodiments of electrically-variable transmissions have first and second motor-generators, first and second planetary gear sets, and two torque-transmitting mechanisms, including a rotating-type torque-transmitting mechanism and a stationary-type torque-transmitting mechanism. An input member is connected for common rotation with a ring gear of the first planetary gear set. Carrier members of both of the planetary gear sets are connected for common rotation with one another, and with an output member, via one or more radial-extending hub members and an axial-extending member or shaft. The first motor/generator is connected for common rotation with the sun gear of the first planetary gear set. The second motor/generator is connected for common rotation with the sun gear member of the second planetary gear set. In each embodiment, the various components of the transmission are positioned relative to one another to minimize the number and/or size of interconnecting shafts and shells. | 07-15-2010 |
20100179010 | HYBRID VEHICLE POWER TRANSMISSION DEVICE AND HYBRID VEHICLE - A hybrid vehicle power transmission device provided with a power distribution mechanism composed of a planetary gear device for distributing motive power of a drive source to a motor and an output shaft is further provided with a damper device in a power transmission path between the power distribution mechanism and a first motor. Consequently, the damper device receives only reaction torque dealt by the first motor through the power distribution mechanism with respect to drive torque of an engine. Thus, since the torque transmitted to the damper device is smaller than the drive torque of the engine, the torque capacity of the damper device can be decreased and the size of the damper device can be reduced. As a result, the overall size of the power transmission device can be similarly reduced. | 07-15-2010 |
20100184549 | F-69530 Brignais - A powertrain includes a variable ratio transmission device (having an input shaft coupled to an engine and an output shaft coupled to a driven unit, a three-way power split transmission device including three input/output couplings, a first of which is coupled to a flywheel and a second of which is coupled to an electrical machine. The third input/output coupling of the three way power split transmission device is mechanically coupled to the engine and to the input shaft of the variable ratio transmission device. | 07-22-2010 |
20100203995 | Hybrid electric vehicle - A full hybrid electric vehicle comprises a heat engine, a one-way-clutch connected to the engine shaft, an electric motor, a planetary gear unit, a clutch with limited torque, and a transmission. The planetary gear unit includes at least a sun gear (an input element), a ring gear (an input element) and a pinion carrier (an output element). The torque-limited clutch seats between two of the planetary gear elements. The engine is connected to and applies torque on one of the input elements. The electric motor is connected to and applies torque on the other input element. While the vehicle is running, the engine can be started smoothly by engaging the torque-limited clutch and controlling the motor torque, and a shock on the vehicle similar to a rough shift can be avoided. | 08-12-2010 |
20100203996 | CONTROL SYSTEM FOR HYBRID DRIVE UNIT - To provide a control system capable of setting a various kinds of driving mode, and shifting the driving mode regardless of the rotational speed of the engine. | 08-12-2010 |
20100210388 | MULTI-SPEED TRANSMISSION WITH AXIS TRANSFER - Various embodiments of electrically-variable transmissions are provided that have two motor-generators, two planetary gear sets, and two torque-transmitting mechanisms, including a rotating-type clutch and a stationary-type clutch. An input member is connected for common rotation with a ring gear of the first planetary gear set. Carriers of both of the planetary gear sets are connected for common rotation with one another, and with an output member. The first motor/generator is connected for common rotation with the sun gear of the first planetary gear set. The second motor/generator is connected for common rotation with the sun gear member of the second planetary gear set. A drive transfer assembly transfers torque from components establishing the first axis of rotation to components establishing the second axis of rotation. | 08-19-2010 |
20100216584 | Hybrid Transmissions with Planetary Gearsets - A transmission for use in a motor vehicle having an engine and a driveline is provided. The transmission includes an input shaft driven by the engine, an output shaft adapted for connection to the driveline, a mainshaft, a first planetary gearset, a motor/generator and a second planetary gearset. The first planetary gearset includes a first input member driven by the input shaft, a first output member driving the mainshaft and a first reaction member. The second planetary gearset includes a second input member, a second output member fixed to the output shaft and a ring gear operable to drive or be driven by the motor/generator. A rotor of the motor/generator circumscribes and is fixed to the ring gear. | 08-26-2010 |
20100222171 | VEHICULAR DRIVE SYSTEM - A vehicular drive system accommodated in a housing and including a first input shaft that receives a vehicle drive force generated by a vehicle drive power source, and a differential mechanism operable to distribute the vehicle drive force received from the first input shaft to a first electric motor and a second input shaft. The first and second input shafts are disposed coaxially with a first axis such that the second input shaft is disposed downstream of the first input shaft. The first input shaft is rotatably supported by a first support portion provided on the housing and an axial end portion of the second input shaft, and the second input shaft is rotatably supported by a third support portion and a fourth support portion that are provided on the housing. | 09-02-2010 |
20100227722 | OUTPUT-SPLIT ELECTRICALLY-VARIABLE TRANSMISSION WITH TWO PLANETARY GEAR SETS AND TWO MOTOR/GENERATORS - An electrically-variable transmission for use with an engine includes an input member configured for operative interconnection with the engine, an output member, and a stationary member. First and second motor/generators, a first and a second planetary gear set each having respective first, second, and third members are included. A first, a second, and a third selectively engagable torque-transmitting mechanism are included. The input member is connectable for common rotation with the first member of the first planetary gear set either continuously or selectively by engagement of the third torque-transmitting mechanism. The output member is connected for common rotation with the first member of the second planetary gear set. The motor/generators are controllable and the torque-transmitting mechanisms are selectively engagable to establish at least one electric-only mode, a series mode, an output-split mode, and at least one neutral mode. | 09-09-2010 |
20100227723 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that allows for multiple mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle. | 09-09-2010 |
20100234159 | HYBRID TRANSMISSION WITH INTEGRATED TORQUE MACHINE - A hybrid transmission device for a hybrid powertrain system having an integrated torque machine to transfer power among an input member, the torque machine and an output member in one of a plurality of fixed gear and continuously variable states is operative in a plurality of fixed gear states, a continuously variable state, and a torque machine state. | 09-16-2010 |
20100248882 | 8-SPEED HYBRID TRANSMISSION - The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with the final drive gear set. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 09-30-2010 |
20100248883 | 8-SPEED HYBRID TRANSMISSION - The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio. | 09-30-2010 |
20100261565 | DUAL-MODE ELECTROMECHANICAL VARIABLE SPEED TRANSMISSION APPARATUS AND METHOD OF CONTROL - The current invention discloses a dual-mode electro-mechanical variable speed transmission. Said transmission includes an input shaft, an output shaft system, a planetary gear system having at least three co-axial rotating members, two electric machines along with the associated controllers for the electric machines, and at least a clutch. Said planetary gear system has at least three branches; each branch corresponds to a co-axial rotating member. The first branch couples to the first electric machine with a fixed speed ratio; another branch couples to the input shaft with a fixed speed ratio; and yet anther branch couples to the output shaft system with a fixed speed ratio; the second electric machine couples selectively to two of the branches in the planetary gear system with different speed ratios. Said two branches are not the first branch and one of the said two branches is connected to the output shaft system. Said dual-mode electro-mechanical variable speed transmission is capable of providing at least two power splitting operation modes, including an output power splitting mode. Different operation modes cover different speed ratio regimes. At the mode switching point, the corresponding clutch or clutches is automatically synchronized. Thus the speeds of the rotation members of the transmission are continuous, and the transmission is free from shock loads at the operating mode switching point. In addition, said transmission is capable of providing operations with at least a fixed input-to-output speed ratio. | 10-14-2010 |
20100273593 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that can achieve a fixed gear ratio mode where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode and a hybrid mode that are basic driving modes of a hybrid vehicle, such that it is possible to drive the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improve fuel efficiency. Further, according to the power train for a hybrid vehicle, the number of gear teeth of a sun gear and a pinion of a planetary gear set, which is a component, can be changed in various ways, such that it is possible to more freely select the capacity of a clutch or a motor generator. Therefore, it is possible to design a compact transmission. | 10-28-2010 |
20100273594 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that allows for multiple mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle. | 10-28-2010 |
20100273595 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that allows for multiple mode driving, which is combined with a way of driving at a fixed gear ratio such as the shift stages of a common transmission, and high-efficiency driving, thereby improving fuel efficiency of the vehicle. | 10-28-2010 |
20100273596 | POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a power train for a hybrid vehicle that can achieve a fixed gear ratio mode where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode and a hybrid mode that are basic driving modes of a hybrid vehicle, such that it is possible to drive the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improve fuel efficiency. Further, according to the power train for a hybrid vehicle, the number of teeth of a sun gear and a pinion of a planetary gear set, which is a component, can be changed in various ways, such that it is possible to more freely select the capacity of a clutch or a motor generator. Therefore, it is possible to design a compact transmission. | 10-28-2010 |
20100304912 | Transmission with Mechanically-Biased Clutch - A transmission configured for receiving power from an engine is provided with a normally-closed clutch in order to permit operation in modes requiring closure of the clutch even when hydraulic power from a pump powered by the engine or by rotation of a transmission member is not available, or is not of a sufficient pressure. | 12-02-2010 |
20100317476 | Hybrid Module for Interconnecting an Engine and a Transmission - A hybrid module is configured to interconnect an engine and a transmission. The hybrid module includes an electric motor and a first and second carrier. The first carrier is operatively connected to the transmission and is rotatable about the central axis at a first rotational velocity with the electric motor. The first carrier transfers the first rotational velocity to the transmission. The second carrier is operatively connected to the engine and is rotatable about the central axis at a second rotational velocity. A first sun gear rotatably surrounds the central axis and is connected to the second carrier. A first pinion gear is rotatably supported by the first carrier and is in meshing engagement with the first sun gear such that the first pinion gear rotates about the first pinion axis as the first pinion gear and the first carrier rotate in unison about the central axis. | 12-16-2010 |
20100331130 | Hybrid drive for a transportation means - A hybrid drive is proposed for traction wheels of a vehicle, which drive comprises a mechanical power source with a shaft, a planetary mechanism having a sun and a ring gear wheels, and two reversible electrical machines connected to an electrical power source via a control system. A carrier of the planetary mechanism is coupled to the shaft. With the view to increasing the traction wheels' torque, one of the electrical machines is designed as a two-dimensional machine with two rotatable members, one of which members is coupled to the sun gear wheel, the second member is coupled to the ring gear wheel. For increasing the performance characteristics, the drive is provided with two controllable clutches, which make it possible to interconnect the rotatable members and to couple the carrier to an immovable portion of the drive or vehicle. Operation of the drive in various motion modes is also described. | 12-30-2010 |
20110015019 | POWER TRAIN FOR HYBRID VEHICLE - The present invention can achieve hybrid modes with an input split mode, output split mode, and complex split mode, by using only one set of stepped pinion planetary gear sets, one set of single pinion planetary gear sets, three clutches, and two brakes, ensure the space of a vehicle with a compact configuration and reduce the cost by implementing five stages of fixed gear ratio mode, and achieve continuous transmission gear ratios, and improve the fuel efficiency of the vehicle by changing the modes in accordance with the traveling conditions of the vehicle. Further, since it is possible to reduce the performance required for a motor generator under the same conditions, by improving the performance of the system, it is possible to reduce the cost of the vehicle. Accordingly, the present invention provides a power train for a hybrid vehicle that can contribute to reduce the cost of a vehicle. | 01-20-2011 |
20110015020 | DRIVETRAIN WITH ENGINE, TRANSMISSION, PLANETARY GEAR SET AND ELECTRIC MACHINE - The present invention relates to a drivetrain ( | 01-20-2011 |
20110021300 | MULTI-SPEED TRANSMISSION WITH MULTI-AXIS TRANSFER - Various embodiments of electrically-variable transmissions are provided that have two motor-generators, two planetary gear sets, and two torque-transmitting mechanisms, including a rotating-type clutch and a stationary-type clutch. An input member is connected for common rotation with a ring gear of the first planetary gear set. Carriers of both of the planetary gear sets are connected for common rotation with one another, and with an output member. The first motor/generator is connected for common rotation with the sun gear of the first planetary gear set. The second motor/generator is connected for common rotation with the sun gear of the second planetary gear set. A drive transfer assembly transfers torque from components establishing the first axis of rotation through components establishing one or two additional axes of rotation to a differential establishing yet another axis of rotation. | 01-27-2011 |
20110034282 | POWER PLANT - A power plant which is capable of enhancing the driving efficiency and the power-generating efficiency thereof. In the power plant | 02-10-2011 |
20110039649 | DRIVE DEVICE - A drive device includes: an input shaft connected to an engine; a first motor-generator; a second motor-generator; a planetary gear unit including three rotating elements; an output gear connected to the planetary gear unit; an output shaft that transmits rotation of the output gear to a driving wheel; and a control device that controls at least one of the first and second motor-generator. The output gear, the planetary gear unit, and the first motor-generator are coaxial with the input shaft. The planetary gear unit is provided radially inside the first motor-generator and is provided at the same position as the first motor-generator in the axial direction. The second motor-generator is provided on an axis different from the input shaft and the output shaft axes. The control device is provided on the side of the output gear, the planetary gear unit, and the first motor-generator that is opposite the input shaft. | 02-17-2011 |
20110053724 | TWO-MODE HYBRID POWERTRAIN WITH TWO MOTOR/GENERATORS - A hybrid electromechanical transmission connectable with multiple power sources for launching and propelling a vehicle includes an output member and a stationary member. The transmission also includes a first planetary gear set and a second planetary gear set. The power sources include an engine, a first motor/generator and a second motor/generator. The engine, the first motor/generator and the second motor/generator are each operatively connected with the first planetary gear set, and the output member and the second motor/generator are each operatively connected with the second planetary gear set. Thus configured, the transmission provides both a forward under-drive gear for launching the vehicle and a forward direct drive gear for propelling the vehicle at higher speeds. | 03-03-2011 |
20110065543 | VARIABLE-SPEED MOTOR-GENERATOR ACCESSORY DRIVE SYSTEM - An accessory drive system for a motor vehicle is provided including first and second gear sets having first, second, and third members configured to selectively connect vehicle accessories to an engine and motor/generator. The first member of each gear set is continuously interconnected to the other. The second member of each gear set is continuously interconnected to the other. The motor/generator is configured to drive the accessories at a selectable rate independent of engine speed. A first torque transmitting device is operatively connected to the gear sets to allow the motor/generator to re-start the engine and power the accessories while restarting the engine. A second torque transmitting device is operatively connected to the engine's output shaft to allow the motor/generator to power the accessories while the vehicle is off. | 03-17-2011 |
20110070990 | DRIVE SYSTEM - A drive system with a case divided into two oil-tight compartments. The first compartment is filled with traction oil and accommodates a friction type continuously variable transmission (CVT) device, and a second compartment filled with lubricant oil and a gear transmission device formed from a meshing rotary transmission mechanism. The CVT device includes an input member, an output member, and a ring interposed in such a way that the ring moves in an axial direction to steplessly change speeds. An input or output member of the CVT device includes a first axial portion rotatably supported by the case, and a second axial portion supported on a second side of the partition through a bearing that provides support in a thrust and radial direction. The bearing is mounted to the partition so that an inner race of the bearing is unrotatably connected to the second-side axial portion through a rotation stopper. | 03-24-2011 |
20110070991 | ELECTRO-MECHANICAL TRANSMISSION CONTROL SYSTEM - A system for robust fault detection in an electrically variable, hydraulically controlled transmission includes independently monitoring hydraulic pressure within a hydraulic control circuit and electric machine rotation for detecting clutch state faults. | 03-24-2011 |
20110086737 | THREE-MODE HYBRID POWERTRAIN WITH TWO MOTOR/GENERATORS - A hybrid electro-mechanical transmission connectable with multiple power sources for launching and propelling a vehicle includes an output member and a stationary member. The transmission also includes a first planetary gear set having a first, a second, and a third node, and a compound planetary gear arrangement having a fourth, a fifth, a sixth, and a seventh node. The power sources include an engine, a first motor/generator and a second motor/generator. The engine, the first motor/generator and the second motor/generator are each operatively connected with the first planetary gear set, and the output member and the second motor/generator are each operatively connected with the compound planetary gear arrangement. Thus configured, the transmission provides forward under-drive and forward direct-drive gears for launching and propelling the vehicle, as well as a reverse gear. | 04-14-2011 |
20110092328 | SINGLE PLANETARY, SINGLE MOTOR/GENERATOR HYBRID POWERTRAIN WITH THREE OR MORE OPERATING MODES - A hybrid powertrain has an engine, an input member, an output member, and a stationary member, and includes a single planetary gear set having a first, a second, and a third member. The input member is connected for common rotation with the engine and the output member is connected for common rotation with the second member. A single motor/generator is continuously connected for common rotation with the third member. A starter motor is operatively connected to the engine for starting the engine. A first torque-transmitting mechanism is selectively engagable to connect the input member for rotation with the first member. A second torque-transmitting mechanism is selectively engagable to ground the first member to the stationary member. A third torque-transmitting mechanism is selectively engagable to ground the third member to the stationary member. The powertrain is operable in an electric-only operating mode, an engine-only operating mode, and an electrically-variable operating mode. | 04-21-2011 |
20110111906 | TRANSMISSION FOR HYBRID VEHICLE - The transmissions for a hybrid vehicle according to the present invention provide multiple electric vehicle modes, multiple power split modes, and multiple fixed-gear ratio modes, thereby increasing driving performance and fuel efficiency. | 05-12-2011 |
20110111907 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20110111908 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20110111909 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20110111910 | VEHICLE DRIVE SYSTEM - A drive system includes a transmission mechanism that establishes a plurality of gear positions comprising a first-speed through sixth-speed gear positions and a reverse-drive gear position, by switching among change gear trains and coupling a first driveshaft to an output member, and also includes a lock clutch that switches a power distribution mechanism between a locked state in which a ring gear and a carrier are coupled to each other and are inhibited from rotating in a differential fashion, and a released state in which the inhibition of the differential rotation is cancelled. | 05-12-2011 |
20110118070 | TRANSMISSION DEVICE COMPRISING A TRANSMISSION HOUSING - A transmission device ( | 05-19-2011 |
20110124455 | HYBRID DRIVE TRAIN OF A MOTOR VEHICLE - A hybrid drive train of a motor vehicle which comprises a combustion engine with a drive shaft and an electric machine which operates as either a motor or generator. The electric machine has a stator and a rotor and surrounds a planetary automatic transmission. The combustion engine drive shaft communicates, via a controllable separating clutch, and the rotor of the electric machine communicates, via the input transmission section, with the automatic transmission input shaft. The electric machine, the separating clutch, and the input transmission section are coaxially combined within a module enclosure of a preassembled hybrid module that has input and output elements. The input element is connected with the drive shaft of the combustion engine and the output element is connected with the input shaft of the automatic transmission, and the hybrid module maintains the dimensions of a conventional hydrodynamic torque converter. | 05-26-2011 |
20110130234 | THREE-MODE HYBRID POWERTRAIN WITH TWO MOTOR/GENERATORS - A hybrid electro-mechanical transmission connectable with multiple power sources for launching and propelling a vehicle includes an output member and a stationary member. The transmission also includes a first planetary gear set having a first, a second, and a third node and a compound planetary gear arrangement having a fourth, a fifth, a sixth, and a seventh node. The engine, the first motor/generator and the second motor/generator are each operatively connected with the first planetary gear set, and the output member and the second motor/generator are each operatively connected with the compound planetary gear arrangement. Thus configured, the transmission provides an under-drive gear for launching the vehicle, as well as a direct-drive gear and an over-drive gear for propelling the vehicle at higher speeds. | 06-02-2011 |
20110130235 | STRONG TWO-MODE HYBRID POWERTRAIN WITH TWO MOTOR/GENERATORS - A hybrid electro-mechanical transmission connectable with multiple power sources for launching and propelling a vehicle includes an output member and a stationary member. The transmission also includes a first and second planetary gear sets, and two members of the first planetary gear set are operatively connected to two members of the second planetary gear set, and a torque-transmitting device. The power sources include an engine, a first motor/generator and a second motor/generator. The engine and the second motor/generator are each operatively connected to the first planetary gear set, and the first motor/generator and the output member are each operatively connected to the second planetary gear set. Furthermore, the torque-transmitting device is engageable to ground the engine to the stationary member such that the transmission provides first and second drive modes for launching and propelling the vehicle. | 06-02-2011 |
20110143874 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE - The invention relates to a hybrid drive train ( | 06-16-2011 |
20110143875 | VEHICULAR DRIVE APPARATUS - In a drive apparatus in which a first motor-generator, a power split device, a shift mechanism, and a second motor-generator are coaxially arranged, a first support wall which is next to the second motor-generator and supports one end of a rotor, and a second support wall that supports the other end of the rotor are provided in a case. A switching portion of the shift mechanism is provided on the first support wall. This kind of structure enables the drive apparatus to be shorter in the axial direction. | 06-16-2011 |
20110160015 | HYBRID POWER DRIVING SYSTEM AND GEAR POSITION OPERATION METHOD THEREOF - A hybrid power driving system for a vehicle comprises an internal-combustion engine, a first electric motor, a second electric motor, a planetary coupling mechanism, a speed-reduction mechanism and a differential mechanism. An output shaft of the internal-combustion engine is connected with an input shaft of the first electric motor, and an output shaft of the first electric motor is connected with an output shaft of the second electric motor via a first clutch. The output shaft of the second electric motor is connected with one of a sun gear and a ring gear of the planetary coupling mechanism at a position of the output shaft along its axial direction. And the output shaft of the second electric motor is connected with the other one of a sun gear and a ring gear at another position of the output shaft along the axial direction via a second clutch. | 06-30-2011 |
20110165982 | Accessory Drive and Engine Restarting System - A drive system includes a pulley, an engine, a variator including an input and an output, for varying a ratio of output speed and input speed, and a gearset driveably interconnecting the input, the output, the engine and pulley. | 07-07-2011 |
20110172043 | DRIVE SYSTEM FOR A HYBRID VEHICLE - Drive system, in particular for a hybrid vehicle, comprising a power split device with associated drive paths, wherein at least one of the drive paths comprises two mechanically coupled electric machines that form a cascaded power split having both a mechanical and an electrical drive path. | 07-14-2011 |
20110172044 | SPEED VARIATION TRANSMISSION DEVICE FOR MOTOR VEHICLE POWERTRAIN AND HYBRID MOTOR VEHICLE USING SAME - The present invention relates to a speed variation transmission device for a motor vehicle powertrain comprising an epicyclic gear train ( | 07-14-2011 |
20110177900 | HYBRID ELECTRIC VEHICLE DRIVE SYSTEM AND CONTROL SYSTEM FOR CONTROLLING A HYBRID ELECTRIC VEHICLE DRIVE SYSTEM - A hybrid electric vehicle drive system and a control system for controlling a hybrid drive system are provided. The drive system includes a housing, an input shaft for inputting motive power from an internal combustion engine and an output shaft operatively linked to at least one drive wheel. The drive system also includes a first electric motor disposed within the housing and having a first rotor and a stator fixed to the housing and a second electric motor disposed within the housing and having a second rotor and a stator fixed to the housing. The drive system further includes gearing disposed within the housing and coupled to the second rotor to transmit revolutions of the second rotor to the output shaft. The drive system still further includes a planetary gear set disposed within the housing. The gear set includes a first rotary element coupled to the input shaft, a second rotary element coupled to the first rotor and a third rotary element coupled to the gearing. The gearing transmits revolutions of the third rotary element to the output shaft. The drive system also includes a controllable overrunning coupling assembly including a first coupling member fixed to the housing and a second coupling member coupled to the second rotary element and supported for rotation relative to the first coupling member in an overrun mode and coupled to the first coupling member in a locked mode. The second rotary element is locked to the housing in the locked mode of the coupling assembly. | 07-21-2011 |
20110177901 | EXTRUDER GEARING - For driving an extruder ( | 07-21-2011 |
20110183801 | HYBRID DRIVE DEVICE - A hybrid drive device configured with an input member coupled to an engine, and an output member coupled to a wheel and a second rotary electric machine. A first and second differential gear device each have a first, second and third rotary elements arranged in the order of rotational speed. A rotation restriction device selectively stops rotation of the third rotary element. A first rotational direction restriction device only allows rotation in the positive direction. The input member is also drivably coupled to the second rotary element of the first differential gear device and the second rotary element of the second differential gear device. Furthermore, the output member is drivably coupled to the third rotary element of the second differential gear device, and the first rotary electric machine is drivably coupled to the first rotary element of the first differential gear device. | 07-28-2011 |
20110183802 | HYBRID DRIVE TRAIN - A hybrid drive train has an internal combustion engine ( | 07-28-2011 |
20110190084 | COUPLING DEVICE FOR A HYBRID POWER TRAIN THAT OPERATES IN AT LEAST TWO, ELECTRICAL/COMBUSTION - ELECTRICAL MODES, INTENDED FOR A VEHICLE - A coupling device for a hybrid power plant operates in at least two electrical/internal-combustion-electrical modes designed for a vehicle, whereby the coupling device includes a first drive shaft that is coupled to an electric motor and a second drive shaft that is coupled to an internal combustion engine. The coupling device includes at least one primary shaft that can be coupled by first or second transmission element to the first or the second drive shaft under the action of selection element that can assume a first position and a second position in such a way that: In the first position of the selection element, the primary shaft is coupled to the first or to the second drive shaft by the first or the second transmission element; and In the second position of the selection element, the primary shaft is coupled to the first drive shaft by the first transmission element. | 08-04-2011 |
20110195811 | DRIVETRAIN - A drivetrain has at least one drive machine ( | 08-11-2011 |
20110212801 | DRIVE SYSTEM AND METHOD FOR OPERATING SUCH A DRIVE SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE - A drive system ( | 09-01-2011 |
20110212802 | HIGHLY CONFIGURABLE HYBRID POWERTRAIN AND CONTROL SYSTEM THEREFOR - A hybrid powertrain system for a vehicle includes an engine and a transmission. The transmission includes a transmission input member, first and second electric machines, first and second planetary gear sets, and a plurality of selectively engageable torque transfer devices enabling configuring the powertrain in variously to operate in electric drive, electrically variable, fixed gear and neutral charging operating states. | 09-01-2011 |
20110224042 | HYBRID TRANSMISSION WITH SYNCHRONOUS SHIFT BETWEEN SERIES AND COMPOUND-SPLIT OPERATING MODES - A hybrid transmission is provided that is configured to shift between the hybrid series operating mode and the compound-split operating mode synchronously, without slipping any torque-transmitting mechanisms. The transmission includes an input member operatively connected with the engine, an output member, and a plurality of selectively engageable torque-transmitting mechanisms. A gearing arrangement and first and second motor/generators operatively connected with the gearing arrangement are also provided. A first of the torque-transmitting mechanisms is engaged to establish a hybrid series operating mode between the input member and the output member, and a second of the torque-transmitting mechanisms is engaged to establish a compound-split operating mode between the input member and the output member. The shift between the hybrid series operating mode and the compound-split operating mode is synchronous without slipping the torque-transmitting mechanisms and occurs while the engine is on. | 09-15-2011 |
20110230291 | FOUR-MODE HYBRID POWERTRAIN WITH TWO MOTOR/GENERATORS - A hybrid electro-mechanical transmission connectable with multiple power sources includes an output member and a stationary member. The transmission also includes a first planetary gear set having a first, second, and third node, and a compound planetary gear arrangement having a fourth, a fifth, a sixth, a seventh and an eighth node. The power sources include an engine, a first motor/generator and a second motor/generator. The engine and the first motor/generator are each operatively connected to the first planetary gear set. The second motor/generator is operatively connected to each of the first and the second planetary gear sets. The output member is operatively connected to the compound planetary gear set. Thus configured, the transmission provides under-drive, direct-drive, over-drive, and reverse gears for launching and propelling the vehicle. | 09-22-2011 |
20110230292 | VEHICLE DRIVE APPARATUS - A vehicle drive apparatus comprising a planetary gear mechanism having a ring gear drive-coupled to one of an output member drive-coupled to wheels and a rotary electrical machine, a sun gear drive-coupled to the other of the output member and the rotary electrical machine, and a carrier drive-coupled to an engine and rotatably supporting a plurality of pinion gears, the apparatus. The vehicle drive apparatus having an outward receiver comprising a receiving portion opening outward in an apparatus radial direction and being provided on the carrier, the apparatus radial direction being a radial direction of the ring gear; a fluid supply part supplying lubricating fluid to an opening of the receiving portion of the outward receiver; and a bearing lubricating passage which is a route of lubricating fluid connecting the receiving portion of the outward receiver with a pinion bearing of each of the pinion gears. | 09-22-2011 |
20110237378 | HYBRID POWERTRAIN - A hybrid powertrain is provided that includes an engine operatively connected with an input member. The powertrain includes a transmission with first and second electric motor/generators, a differential gear set having multiple members, and selectively engageable torque-transmitting mechanisms. The input member, the output member, the engine and the motor/generators are selectively interconnected through the differential gear set by engagement of the torque-transmitting mechanisms in different combinations. An electronic controller controls the electric motor/generators, the engine and the torque-transmitting mechanisms to provide multiple operating modes between the input member and the output member, including an electric-only operating mode in which the engine is off and one motor generator acts as a motor to provide torque at the output member while the other electric motor/generator can remain substantially stationary, and another electric-only operating mode in which both electric motor/generators act as motors to provide torque at the output member. | 09-29-2011 |
20110245003 | HYBRID DRIVE DEVICE - A hybrid drive device that switchably includes a first split mode in which an input and output rotary element are drivably coupled to each other, and a second split mode in which the speed change input rotary element and a distribution input rotary element are drivably coupled to each other. The first and second relative rotational speed ratios are set at different values such that the first ratio is a ratio of a relative rotational speed of the distribution input rotary element to a relative rotational speed of the output rotary element determined on the basis of a rotational speed of a reaction force rotary element, and the second ratio being a ratio of a relative rotational speed of the second output rotary element to a relative rotational speed of the first output rotary element determined on the basis of a speed of the fixed rotary element. | 10-06-2011 |
20110256973 | DRIVE TRAIN WITH A FIRST ELECTRIC MOTOR AND A PLANETARY GEAR MECHANISM AS WELL AS WIND ENERGY PLANTS, GAS TURBINES AND WATER TURBINES AND VEHICLES THAT HAVE THIS DRIVE TRAIN - A drive train, wherein the drive train has a first electric machine (EMI) which can be operated in a motor or generator operating state, and a planetary gear mechanism ( | 10-20-2011 |
20110256974 | VEHICULAR DRIVE UNIT TECHNICAL FIELD - A drive unit includes: an internal combustion engine; a first motor generator; an output portion which transmits power to driving wheels of a vehicle; a second motor generator; a first differential mechanism having a sun gear, a ring gear and a carrier; a second differential mechanism having a sun gear, a ring gear and a carrier; a connecting member which connects the sun gear and the ring gear with each other; and a brake capable of switching between a fixed state in which the sun gear and the ring gear are locked with respect to a case and a released state in which the locked state is released. | 10-20-2011 |
20110263370 | HYBRID DRIVE TRAIN OF A MOTOR VEHICLE - A hybrid drive train of a motor vehicle which comprises a combustion engine, an electric machine which is operable as a motor and a generator and comprises a stator and a rotor, and a multi-stage planetary transmission with input and output shafts. The driveshaft of the combustion engine can be connected to the input shaft of the transmission, the electric machine is coaxially arranged about the input shaft, and the rotor of the electric machine is rigidly connected with the input shaft. To achieve a starting acceleration and climbing capacity on starting, corresponding to those provided by a drive train with an automatic transmission and a hydrodynamic torque converter or a manual gearshift transmission with a converter shifting clutch, the rotor of the electric machine can be connected with the transmission input shaft via an input transmission stage which is formed as a simple planetary gearset and has a high gear ratio. | 10-27-2011 |
20110263371 | DRIVE ASSEMBLY AND STARTING PROCESS OF A VEHICLE - A drive assembly for a commercial vehicle, in particular a mobile working machine. The drive assembly comprises an internal combustion engine ( | 10-27-2011 |
20110275466 | HYBRID POWERTRAIN - A hybrid powertrain is provided that includes an engine operatively connected with an input member. The powertrain includes a transmission with first and second electric motor/generators, a differential gear set having multiple members, and selectively engageable torque-transmitting mechanisms. The input member, the output member, the engine and the motor/generators are selectively interconnected through the differential gear set by engagement of the torque-transmitting mechanisms in different combinations. The powertrain provides multiple operating modes between the input member and the output member, including an electric-only operating mode in which the engine is off and both electric motor/generators act as motors to provide torque at the output member. | 11-10-2011 |
20110281679 | HYBRID TRANSMISSION USING PLANETARY GEARSET FOR MULTIPLE SOURCES OF TORQUE FOR MARINE, OR TWO WHEELED LAND VEHICLES - Provided are alternative hybrid transmission systems for marine, or two wheeled land vehicles, as well as propulsion systems and vehicles comprising such transmission systems, to improve various propulsion systems using a combination of at least two power sources with the option for simultaneous or alternating power input from two or more power sources, while providing desired characteristics or components. Such characteristics or components can include, but are not limited to: power, torque, acceleration, cruising speed or power, fuel efficiency, battery charging, endurance, power sizing, weight, capacity, efficiency, speed, mechanically and/or electrically added system requirements, design, fuel selection, functional design, structural design, lift to drag ratio, weight, and/or other desired characteristic or component. | 11-17-2011 |
20110300982 | TRANSMISSION FOR HYBRID ELECTRIC VEHICLE - Provided is a transmission for a hybrid electric vehicle that makes it possible to more effectively transmit the torque from an engine to an output shaft, provide sufficient power performance in WOT start, achieve excellent controllability without generating transmission shock by allowing modes to be naturally and smoothly switched, and improve acceleration response. | 12-08-2011 |
20110300983 | DRIVING APPARATUS FOR HYBRID VEHICLE - In a hybrid vehicle driving apparatus having an input shaft connected to an engine, an output shaft connected to wheels, a first planetary gear mechanism whose sun gear is connected to the input shaft, a second planetary gear mechanism whose carrier is connected to the input shaft, a mechanism reducing rotation speed of the input shaft and transmit to the first planetary gear mechanism carrier, a clutch connecting/disconnecting the first planetary gear mechanism carrier and the second planetary gear mechanism sun gear, and a clutch connecting/disconnecting ring gears of the first and second planetary gear mechanisms, the second planetary gear mechanism ring gear is connected to the output shaft and an electric rotating machine is connected to the first planetary gear mechanism carrier, thereby enabling to make a vehicle run only with the engine, while improving the operation efficiency on the high ratio side. | 12-08-2011 |
20110312459 | ELECTROMECHANICAL VARIABLE TRANSMISSION - A vehicle drive includes a first gear set and a second gear set both having a sun gear, a ring gear and planetary gears which couple the sun gear to the ring gear. The planetary gears of both sets are rotatably supported by respective planetary gear carriers which are coupled to each other. The vehicle drive also includes an engine, a first clutch which selectively engages the engine to the ring gear of the first gear set, a first motor/generator coupled to the sun gear of the first gear set and a second motor/generator coupled to the sun gear of the second gear set and electrically coupled to the first motor/generator, a second clutch which selectively engages the engine to the second motor/generator, and a third clutch and a third gear set which operate to selectively engage the ring gear of the second gear set to the planetary gear carriers. | 12-22-2011 |
20110312460 | HYBRID DRIVE UNIT AND METHOD FOR ITS OPERATION - The invention relates to a hybrid drive unit, in which for the most optimum possible synergetic use of the combustion engine drive and electromotive drive, a multi-speed clutch- and gear assembly is provided, in which both the combustion engine drive power and also the electromotive drive power is introduced into an input member of the clutch- and gear assembly. Hereby, numerous drive variants are made possible, which allow the drive machines to cooperate with each other according to requirements. The invention additionally relates to the method by which such a drive unit is operated. | 12-22-2011 |
20110312461 | TRANSMISSION FOR HYBRID ELECTRIC VEHICLE - A transmission for a hybrid electric vehicle may include an input element, an output element, first and second motor generators, a first planetary gear set, a second planetary gear set, a first clutch and a second clutch, wherein a first rotary elements of the first and second planetary gear sets may be connected with the output element, a second rotary element and a third rotary element of the first planetary gear set may be connected with the input element and the first motor generator, respectively, a second rotary element of the second planetary gear set may be connected with the second motor generator, a third rotary element of the second planetary gear set may be switched by the first clutch, and a fourth rotary element of the first planetary gear set and the second rotary element of the second planetary gear set may be switched by the second clutch. | 12-22-2011 |
20110312462 | TRANSMISSION FOR HYBRID ELECTRIC VEHICLE - A transmission for a hybrid electric vehicle, may include an input element where rotation power may be inputted and an output element from which the rotation power may be outputted, a first motor generator and a second motor generator, a first planetary gear set that may be a multiple planetary gear set having at least four or more rotary elements with which the input element, the output element, and the first motor generator may be connected, a second planetary gear set with which the output element and the second motor generator may be connected, and a first clutch and a second clutch. | 12-22-2011 |
20110312463 | TRANSMISSION FOR HYBRID ELECTRIC VEHICLE - A transmission for a hybrid electric vehicle may include an input element, an output element, a first motor generator, a second motor generator, a first planetary gear set where the input element, the output element, and the first motor generator may be connected, a second planetary gear set where the output element and the second motor generator may be connected, a third planetary gear set, and a first clutch and a second clutch. | 12-22-2011 |
20110312464 | TRANSMISSION FOR HYBRID ELECTRIC VEHICLE - A transmission for a hybrid electric vehicle may include an input element where rotation power may be inputted and an output element from which the rotation power may be outputted, a first motor generator and a second motor generator, a first planetary gear set where the input element, the output element, and the first motor generator may be connected, a second planetary gear set that may be a multiple planetary gear set where the output element and the second motor generator may be connected and that includes at least four or more rotary elements, and a first clutch and a second clutch. | 12-22-2011 |
20110319211 | Reconfigurable Hybrid Power Train - A multi-mode hybrid drive train offers selective operation in any one of series, parallel, and power split modes. The multi-mode hybrid drive train includes two planetary gear sets and a collection of specifically placed brakes and clutches relative to those gear sets. The first planetary gear train includes a power input for receiving power from a primary rotational power source, as well as a first sun gear, first carrier and first ring gear. The second planetary gear train similarly includes a power input as well as a second sun gear, a second carrier connected to a final drive, and a second ring gear. A first motor is linked to the first sun gear and a second motor is linked to the second sun gear such that selective activation of the clutches, brakes, and motors places the multi-mode hybrid drive train in a selected mode of operation. | 12-29-2011 |
20110319212 | RATTLING NOISE REDUCTION DEVICE FOR VEHICLE - A simply structured rattling noise reduction device for a vehicle capable of preventing rattling certainly under neutral position. The rattling noise reduction device is applied to a vehicle having a transmission mechanism configured to transmit a torque of a prime mover to an output member through a mating transmission mechanism, and a shifting means capable of selecting a drive position in which the torque of the prime mover is transmitted to the output member and a neutral position in which the torque of the prime mover is not transmitted to the output member, and in which the transmission mechanism is configured to idle any one of rotary members thereof to prevent the torque from being applied to the output member in case the neutral position is selected. The rattling noise reduction device comprises a slidable contact means, which is contacted frictionally with the output member, or with a rotary member and transmitting the torque to the output member, or with a member integrated with the rotary member and, in case the neutral position is selected by operating the shifting means. | 12-29-2011 |
20120004061 | SINGLE CLUTCH, TWO PLANETARY HYBRID ARCHITECTURE - A hybrid powertrain for a vehicle includes a prime mover, which may be an engine, and a transmission that has an input member configured for connection with the prime mover to receive torque from the prime mover, an output member, and a stationary member. A first motor/generator and a second motor/generator are provided as additional motive sources. A first planetary gear set and a second planetary gear set are included, each having a respective first member, second member, and third member. Only one clutch is operatively connected to the transmission, and it is selectively engagable to ground the input member and the first member of the second planetary gear set to the stationary member. | 01-05-2012 |
20120004062 | Input Shaft for Hybrid Transmission - An input shaft for a hybrid transmission that is used for the hybrid transmission equipped with a plurality of friction elements and at least two or more planetary gear sets receiving power from an engine and at least one or more motor generators, may include a first spline to which at least one of the motor generators may be connected, a second spline and a third spline to which rotary elements of the planetary gear sets may be connected, respectively, and a lubricant channel formed inside the input shaft to provide a channel for lubricant for lubricating parts of the transmission. | 01-05-2012 |
20120004063 | POWER TRANSMITTING DEVICE - A power transmitting device | 01-05-2012 |
20120010035 | DRIVE TRAIN OF A HYBRID VEHICLE AND HYBRID VEHICLE - A drive train of a hybrid vehicle comprising an internal combustion engine, a first electric motor including a first rotor, a second electric motor including a second rotor and arranged to be concentric with the first rotor, a gearbox for converting an input torque generated by the first electric motor and/or by the internal combustion engine into an output torque, the second electric motor being arranged such that a torque generated by the said second electric motor is superimposable over the output torque of the gearbox. A first stator is assigned to the first rotor and a second stator is assigned to the second rotor, the first rotor is arranged concentrically with the second rotor and electrically insulated from the second stator. A hybrid vehicle with a drive train as described above. | 01-12-2012 |
20120021861 | POWER TRANSMISSION APPARATUS FOR HYBRID VEHICLE - A power transmission apparatus | 01-26-2012 |
20120028747 | VEHICULAR POWER TRANSMISSION DEVICE - Power generated by an engine is inputted to a carrier of a first planetary gear mechanism. Power generated by a motor is inputted to a sun gear of a second planetary gear mechanism. Power from a ring gear of the first planetary gear mechanism and power from a carrier of the second planetary gear mechanism are combined and transmitted to an axle of driving wheels. While power input from the engine to the carrier of the first planetary gear mechanism is maintained, rotation of a sun gear of the first planetary gear mechanism is restricted with a first clutch, a second clutch or a first brake. While power input from the motor to the sun gear of the second planetary gear mechanism is maintained, rotation of a ring gear of the second planetary gear mechanism is restricted with a second brake or a third clutch. | 02-02-2012 |
20120035014 | Transmission Systems - A transmission system includes an input ( | 02-09-2012 |
20120058852 | TRANSMISSION FOR AN ELECTRIC OR HYBRID DRIVE - A transmission which is pre-eminently suitable for an electric and/or hybrid drive has an input which can be connected to an electromotor/generator, and an output which can be connected to a load. The transmission has two parallel transmission paths between the input and output, first coupling means being present in the first transmission path and second coupling means being present in the second transmission path. Furthermore, a gear reduction is present in at least either of the two transmission paths. The first coupling means are arranged such that they are not capable of dissipating significant power and the second coupling means are arranged such that they are capable indeed of dissipating significant power. | 03-08-2012 |
20120058853 | LUBRICATION SYSTEM FOR RIGHT-ANGLE DRIVES USED WITH UTILITY VEHICLES - A bearing lubrication device in a right angle gear reducer includes a gear housing having an interior portion and a lubricating fluid reservoir therein. An oil slinger, rotating pinion shaft, pinion shaft housing, and bearings for supporting the pinion shaft within the pinion shaft housing work together to provide a continuous supply of oil to the bearings. The pinion shaft includes two radially and longitudinally extending passageways therethrough which supply oil from a recess in one end of the pinion shaft to the bearings. Oil is slung from the reservoir into the recess of the rotating pinion shaft where it is forced outwardly and through the passageways to a chamber formed by the rotating pinion shaft, shaft housing and bearings. The roller bearings pump the oil from the chamber back to the fluid reservoir. Oil passageways in the shaft housing enable the return of oil from one bearing set. | 03-08-2012 |
20120065014 | MULTI-MODE DRIVE UNIT - Multi-mode operation is provided for an electrically variable transmission for a motor vehicle. The multi-mode electrically variable transmission provides for multiple gear ratios and power flow configurations including fixed gear operation. The multi-mode electrically variable transmission incorporates a reverse gear for reverse operation. | 03-15-2012 |
20120065015 | MULTI-SPEED DRIVE UNIT - A compound-input is provided for an electrically variable transmission for a motor vehicle. The compound-input electrically variable transmission has improved input gear ratios that allow the vehicle engine to be operated in its desired efficiency and/or performance range during both city and highway vehicle operation. Further, the multi-speed input electrically variable transmission provides an input brake without the need for a dedicated input brake clutch or braking mechanism and incorporates a reverse gear for reverse operation. | 03-15-2012 |
20120065016 | MULTI-SPEED DRIVE UNIT - A multi-speed drive unit is provided for an electrically variable transmission having a variable-range output gear ratio for a motor vehicle. The variable-range output electrically variable transmission has improved final drive gear ratios that allow the motor to be operated in its desired efficiency and/or performance range during both city and highway vehicle operation. Further, the variable-range output electrically variable transmission allows for increased vehicle speeds during electric vehicle operation and provides for the use of the vehicle engine during reverse gear operation. | 03-15-2012 |
20120065017 | POWER TRANSMITTING MECHANISM FOR HYBRID VEHICLE - A proposition is to provide a power transmitting mechanism for a hybrid vehicle having improved energy utilization efficiency. A power transmitting mechanism for the hybrid vehicle using powers of the engine and the motor/generator in a combined manner, the mechanism includes an engine drive shaft coupled to an engine output shaft via a main clutch; a motor output shaft of a motor/generator rotatably supported separately from the engine drive shaft; a drive shaft brake releasing/fixing the engine drive shaft; a motor-brake releasing/fixing the motor output shaft; and a planetary gear mechanism. | 03-15-2012 |
20120077633 | MULTI-MODE HYBRID ELECTRIC TRANSFER CASE FOR FOUR-WHEEL DRIVE VEHICLE - A hybrid transfer case can include first and second output shafts adapted for connection to respective rear and front drivelines, a first input shaft adapted for connection to a transmission and for selective connection to the first output shaft, and a second input shaft that can be rotatably supported on the first input shaft and selectively connected to the first output shaft. The transfer case can further include a planetary gearset, a transfer system and an electric motor/generator. The planetary gearset can include a first member fixed for rotation with the first input shaft, a second member fixed for rotation with the second input shaft, and a third member. The transfer system can couple the second input shaft to the second output shaft, and the electric motor can selectively drive the third member. | 03-29-2012 |
20120088621 | Transmission apparatus and shift control apparatus - A speed change device configured with an input member and an output member. The speed change device includes a speed change mechanism in which a plurality of shift speeds are established in accordance with respective engagement states of a plurality of friction engagement elements to transfer rotation of the input member to the output member. A slip travel mode is provided in which the vehicle is run while transferring torque from the input member to the output member with one of the friction engagement elements for establishment of each of the shift speeds caused to slip. A slip engagement element is the friction engagement element to be engaged commonly for establishment of at least a forward start shift speed and a reverse start shift speed. | 04-12-2012 |
20120115659 | POWER TRANSMISSION MECHANISM FOR PARALLEL HYBRID VEHICLE - A proposition is to provide a power transmission mechanism for parallel hybrid vehicle that is capable of smoothly combining/separating input/output powers of a motor and an engine, and is applicable to a large hybrid vehicle by ensuring sufficient strength of a mechanism for combining and separating the input/output powers. | 05-10-2012 |
20120115660 | HYBRID TRANSMISSION HAVING SYNCHRONIZERS - A transmission used in a hybrid vehicle comprising a planetary gear set and a synchronizer. The planetary gear set having a plurality of members and the synchronizer coupling and decoupling one of the members to change a speed ratio in the transmission. | 05-10-2012 |
20120115661 | DIFFERENTIAL GEARING FOR AN ENERGY GENERATION PLANT AND OPERATING METHOD - A differential gearing for an energy generation plant, in particular for a wind power station, has three drives and outputs, a first drive being connected to a drive shaft of the energy generation plant, one output being connected to a generator ( | 05-10-2012 |
20120122622 | ELECTRICALLY VARIABLE TRANSMISSION - A hybrid transmission having an input member, an output member, and a single motor/generator is characterized by a plurality of fixed-ratio modes of operation and at least one electrically variable mode of operation. In the fixed-ratio modes of operation, the speed ratio between the input member and the output member is independent of the speed of the motor/generator. In the electrically variable mode of operation, the speed ratio between the input member and the output member is dependent upon the speed of the motor/generator. | 05-17-2012 |
20120129638 | DRIVE TRAIN AND METHOD FOR OPERATING THE DRIVE TRAIN - A drive train with a combustion engine, electric machine, and a transmission with first and second partial transmissions. The electric machine is coupled via a planetary transmission to input shafts of the first and second partial transmissions. The combustion engine can be coupled, via a separation clutch, to the input shaft of the second partial transmission and, when the separation clutch is engaged, the engine is also connected, via the planetary transmission, to the input shaft of the first partial transmission. A bridging shift element interacts with the planetary transmission such that, when the bridging shift element is engaged, the electric machine and the input shafts of the first and second partial transmissions are torsionally fixed so that they all rotate together. When the bridging shift element is disengaged, there is no torsionally fixed connection and those component rotate at different rotational speeds. | 05-24-2012 |
20120129639 | MULTI-CORE ELECTRIC MACHINES - An electric machine including a housing, a first rotor and stator carried within the housing and a rotatable shaft carried by the housing and extending from the housing. A first continuously variable transmission can be provided and includes a first rotatable element, a second rotatable element and a mechanism for controlling the ratio of the rotation of the second element to the rotation of the first element. The first element can be connected to the first rotor and the second element can be connected to the rotatable shaft. A second rotor and stator can be carried within the housing and a second continuously variable transmission provided. A hybrid engine having an internal combustion engine and utilizing the electric machine can be provided. | 05-24-2012 |
20120142472 | HYBRID POWERTRAIN SYSTEM USING SELECTABLE ONE-WAY CLUTCHES - A hybrid powertrain system includes an input member, first and second torque machines, a differential gear set including first, second and third elements, an output member, and first, second, and third selectable one-way clutches (SOWC), each operative in one of a respective deactivated state and a respective plurality of activated states. The second torque machine is rotatably coupled to the first element of the differential gear set, and the output member is rotatably coupled to the second element of the differential gear set. The first SOWC is configurable to prevent rotation of the third element of the differential gear set in a first rotational direction when controlled to a first one of the respective plurality of activated states, and configurable to prevent rotation of the third element of the differential gear set in a second rotational direction opposite the first rotational direction when controlled to a second one of the respective plurality of activated states. The first torque machine is coupled to the third element of the differential gear set only when the second SOWC is controlled to one of the respective plurality of activated states. And, the third element of the differential gear set coupled to the input member only when the second and third SOWCs are each controlled to one of the respective plurality of activated states. | 06-07-2012 |
20120149513 | VARIABLE RATIO POWER-SPLIT HYBRID TRANSMISSION - A transmission includes an input member, an output member, and a planetary gear set having a first, a second, and a third member. A first electric motor/generator has a first rotor connected for rotation with the first member. A second electric motor/generator has a second rotor connected for rotation with the second member. A first set of intermeshing gears has a first gear ratio, and a second set of intermeshing gears has a second gear ratio different than the first gear ratio. A first torque-transmitting mechanism is engageable to establish torque flow between the planetary gear set and one of the input member and the output member through the first set of intermeshing gears. A second torque-transmitting mechanism is engageable to establish torque flow between the planetary gear set and the one of the input member and the output member through the second set of intermeshing gears. | 06-14-2012 |
20120149514 | MOTOR-ASSISTED TRANSMISSION - A powertrain has an engine with a crankshaft. The powertrain includes a planetary gear set having a first, a second, and a third member. The first member is connected for common rotation with an input member. A first clutch is selectively engageable to operatively connect the crankshaft with the input member. A second clutch is selectively engageable to ground the input member with a stationary member. An electric motor/generator has a rotor operatively connected for common rotation with the second member. An output member is provided, with a set of intermeshing gears configured to transfer torque from the third member to the output member. A first gear pair and a second gear pair are operable by engagement of a first synchronizer and a second synchronizer, respectively, to provide two different fixed ratios between the input member and the output member. | 06-14-2012 |
20120149515 | HYBRID TRANSMISSION WITH THREE PLANETARY GEAR SETS AND THREE INTERCONNECTING MEMBERS AND WITH SYNCHRONOUS SHIFT BETWEEN SERIES AND COMPOUND-SPLIT OPERATING MODES - A hybrid transmission is provided that has both a hybrid series operating mode and a compound-split operating mode. The transmission includes an input member operatively connected with the engine, an output member, and a plurality of selectively engageable torque-transmitting mechanisms. A gearing arrangement and first and second motor/generators operatively connected with the gearing arrangement are also provided. The gearing arrangement includes a first, a second, and a third planetary gear set, each having a first, a second, and a third member. A pair of interconnecting members connect two respective ones of the members of one of the planetary gear sets for common rotation with two respective ones of the members of another of the planetary gear sets. Another interconnecting member connects a third of the members of the one of the planetary gear sets for common rotation with one of the members of still another of the planetary gear sets. | 06-14-2012 |
20120149516 | HYBRID TRANSMISSION USING PLANETARY GEARSET FOR MULTIPLE SOURCES OF TORQUE FOR AERONAUTICAL VEHICLES - Provided are alternative hybrid transmission systems for marine, or two wheeled land vehicles, as well as propulsion systems and vehicles comprising such transmission systems, to improve various propulsion systems using a combination of at least two power sources with the option for simultaneous or alternating power input from two or more power sources, while providing desired characteristics or components. Such characteristics or components can include, but are not limited to: power, torque, acceleration, cruising speed or power, fuel efficiency, battery charging, endurance, power sizing, weight, capacity, efficiency, speed, mechanically and/or electrically added system requirements, design, fuel selection, functional design, structural design, lift to drag ratio, weight, and/or other desired characteristic or component. | 06-14-2012 |
20120149517 | HUB MOTOR UNIT FOR ELECTRIC BICYCLE - A hub motor unit for an electric bicycle may include a hollow shaft mounted at a bicycle frame, a shifting portion having an input element rotatably mounted at the hollow shaft and an output element, a driven sprocket mounted at the input element, a hub housing rotatably mounted at an exterior circumference of the input element, and having an interior circumference fixedly connected to the output element of the shifting portion and an exterior circumference connected to a wheel through a spoke, a hub cover rotatably mounted at the hollow shaft and coupled to the hub housing, a motor portion mounted between the hollow shaft and the input element in the hub housing and supplying torque to the shifting portion through the input element according to a control signal, and a shift control portion mounted on a shift shaft in the hollow shaft and controlling the shifting portion. | 06-14-2012 |
20120149518 | VEHICLE DRIVE SYSTEM INCLUDING A TRANSMISSION - A vehicle drive system including a transmission is provided. The system includes a compound planetary gear set including first, second, third and fourth elements. The second element connects with an output shaft of the transmission. The system further includes a transmission housing. The system still further includes an electric motor which has an output shaft connecting with the first and fourth elements for driving the first and fourth elements in response to an electrical signal to obtain a desired transmission ratio. The system further includes a non-friction controllable clutch assembly which is non-hydraulically controlled to change between a coupling state for coupling the fourth element to the motor output shaft and an uncoupling state for uncoupling the fourth element from the motor output shaft. | 06-14-2012 |
20120165146 | TRANSMISSION WITH SELECTABLE ONE-WAY CLUTCH AND DUAL-PISTON CLUTCH - A powertrain for a vehicle includes an engine, a transmission with an input member driven by the engine, and an output member. An electric motor is operable to drive the input member. The transmission has an electrically-actuated one-way clutch with a neutral mode in which the clutch freewheels in both directions of rotation, and a locked mode in which the clutch is locked in one direction of rotation. The transmission also has a hydraulically-actuated dual-piston clutch with a spring that biases the dual-piston clutch to an engaged state. The one-way clutch is in the neutral mode and the spring biases the dual-piston clutch to the engaged state prior to a key start of the engine. The one-way clutch is actuated to the locked state following ignition of the engine after a key start, and remains in the locked state during an autostop of the engine. | 06-28-2012 |
20120165147 | DRIVE CONFIGURATIONS FOR HIGH SPEED MOTOR DRIVE SYSTEMS - A motor drive system configuration for a hybrid vehicle includes a first motor, a second motor, a differential mounted between the first motor and the second motor, a differential gear, a reduction gear, and a rotatable shaft. The reduction gear includes first end in meshed engagement with the differential gear and a second end. The rotatable shaft includes a first end rotatably coupled to the first motor and a second end rotatably coupled to the second motor. The second end of the rotatable shaft includes a gear in meshed engagement with the second end of the reduction gear. The rotatable shaft has a ninety degree input into the differential and the first and second motors are mounted in-line with the rotatable shaft. | 06-28-2012 |
20120165148 | DRIVE CONFIGURATIONS FOR HIGH HYBRID SERIES/PARALLEL HIGH SPEED MOTOR DRIVE SYSTEMS - A motor drive system configuration for a vehicle. The motor drive system includes an engine operable for providing power to the vehicle, a motor operable for providing power to a first wheel and a second wheel of the vehicle. The motor drive system also includes a first transmission mounted between the engine and the motor and in operative engagement with the motor and the engine. The first transmission includes a first clutch for coupling and decoupling the motor with the engine. The motor drive system also includes a differential in operative engagement with the transmission and coupled to the first wheel and the second wheel, and a clutch for disabling the connection between the motor and the wheels. | 06-28-2012 |
20120165149 | DRIVE FORCE OUTPUT APPARATUS AND VEHICLE HAVING THE SAME - Planetary ratios of first and second planetary gear mechanisms are set such that all of the following values become equal to each other: a maximum value of a drive force of a first MG, which is generated when a total input-to-output speed ratio is a minimum value upon operation of the first MG as a motor; a maximum value of a drive force of the first MG, which is generated when the total input-to-output speed ratio is a maximum value upon operation of the first MG as the motor; and a maximum value of a drive force of the first MG, which is generated when the total input-to-output speed ratio is in a range from the minimum value to the maximum value upon operation of the first MG as a generator. | 06-28-2012 |
20120178567 | DUAL DAMPER ISOLATION FOR A MOTOR VEHICLE HYBRID POWERTRAIN - A hybrid transmission has an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes. The input member is driven by an internal combustion engine and an electric motor. | 07-12-2012 |
20120178568 | HYBRID TRANSMISSION ARRANGEMENT HAVING A MOTOR DAMPER - An electric motor damping module includes an electric motor, a motor damper continuously interconnected with the electric motor, and an input member continuously interconnected with the motor damper. A transmission includes these elements, plus an output member, first, second, and third planetary gear sets each having first, second and third members, a first interconnecting member continuously interconnecting the third member of the first planetary gear set with the second member of the second planetary gear set, a second interconnecting member continuously interconnecting the second member of the first planetary gear set and the output member with the third member of the third planetary gear set, and a third interconnecting member continuously interconnecting the third member of the second planetary gear set with the second member of the third planetary gear set. The transmission also includes six torque transmitting mechanisms and a hydraulic pump. A sealing assembly is also provided. | 07-12-2012 |
20120178569 | HYBRID POWERTRAIN FOR A MOTOR VEHICLE - A transmission is provided having an input member, an output member, three planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes. | 07-12-2012 |
20120190491 | WHEEL HUB MOTOR - An electric vehicle driving device | 07-26-2012 |
20120196713 | Powertrain and Method for a Kinetic Hybrid Vehicle - A kinetic hybrid device and method for a vehicle may include a planetary gear system configured as a continuously variable transmission comprised of three or four ports. The kinetic hybrid device and method may include a flywheel connected to a first port of the system, a final drive connected to a second port of the system, and the variator for the flywheel connected to a third or fourth port of the system. The prime mover and/or other power sources may share a port with the flywheel, but do not share a port with the final drive. | 08-02-2012 |
20120202635 | INTEGRATED SINGLE MOTOR HYBRID TRANSMISSION USING REAR-WHEEL-DRIVE 8-SPEED TRANSMISSION - An apparatus transmitting torque among a first torque generative device, a second torque generative device and an output member includes a first planetary gear set including respective first, second and third members, a second planetary gear set including respective first, second and third members, the respective first member of the second planetary gear set mechanically coupled to the respective first member of the first planetary gear set. The first torque generative device is mechanically coupled to the respective second member of the first planetary gear set. The second torque generative device is mechanically coupled to the respective second member of the second planetary gear set, wherein the second torque generative device includes a grounding state wherein rotation of the respective second member of the second planetary gear set is prevented and a rotational state wherein rotation of the respective second member of the second planetary gear set is not prevented. | 08-09-2012 |
20120208664 | Powertrain for Hybrid Electrical Vehicle - The invention relates to a powertrain for a hybrid electrical vehicle, comprising an engine, a first motor, a second motor and a transmission device, said transmission device having a planet gear set with double planet gear ranks comprising a first planet gear rank and a second planet gear rank, said engine is arranged on one side of said planet gear set, said first motor and said second motor are arranged on the other side of the planet gear set, said first planet gear rank comprises a small sun gear, a planet carrier, a short planet gear and an outer ring gear, said second planet gear rank comprises a big sun gear, a long planet gear and the planet carrier shared with the first planet gear rank, said long planet gear meshes with the short planet gear and the big sun gear respectively. | 08-16-2012 |
20120214631 | MULTI-SPEED TRANSMISSION WITH AN INTEGRATED ELECTRIC MOTOR - A multiple speed transmission for a motor vehicle includes an input member connected to an electric motor, an output member, four planetary gear assemblies, each with first, second, and third members, and a plurality of torque transmitting devices, such as, brakes and clutches. The electric motor can be employed for regenerative braking. Further, the electric motor can be employed to launch and drive the motor vehicle with each of the gear ratios of the multi-speed transmission. | 08-23-2012 |
20120214632 | MULTI-SPEED TRANSMISSION - A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. | 08-23-2012 |
20120220403 | HYBRID VEHICLE TRANSMISSION - A hybrid vehicle transmission ( | 08-30-2012 |
20120231913 | METHOD AND APPARATUS FOR CONTROLLING A SELECTABLE ONE-WAY CLUTCH IN AN ELECTRO-MECHANICAL TRANSMISSION - A transmission is configured to transfer power between an input member, first and second torque machines and an output member and includes a transmission case, a differential gear set, first and second torque transfer clutches, a first torque machine rotatably operatively couplable to a first element of the differential gear set when the second torque transfer clutch is in an applied state, and a second torque machine rotatably operatively coupled to a second element of the differential gear set. The differential gear set is configured to transfer torque between the first torque machine and the output member in a first continuously variable mode when the first torque transfer clutch is in the applied state, and to transfer torque between the first and second torque machines and the output member in a second continuously variable mode when the second torque transfer clutch is in the applied state. | 09-13-2012 |
20120238385 | VARIABLE RATIO POWER-SPLIT HYBRID TRANSMISSION - A transmission includes a first motor/generator with a first rotor connected for rotation with a first member of a first planetary gear set. A second electric motor/generator has a second rotor connected for rotation with a second member of the first planetary gear set. The second member of the first planetary gear set is connected for common rotation with the output member. The first member of a second planetary gear set rotates with the input member, and the third member of the second planetary gear set is grounded to a stationary member. A first torque-transmitting mechanism establishes torque flow between the first member of the second planetary gear set and the third member of the first planetary gear set. A second torque-transmitting mechanism establishes torque flow between the second member of the second planetary gear set and the third member of the first planetary gear set. | 09-20-2012 |
20120244979 | HYBRID VEHICLE SYSTEM AND CONTROLLER - A system for operating a hybrid vehicle that includes a chargeable energy storage device, a single dynamo (motor/generator combination) an internal combustion engine, and a torque coupling device configured to variably couple the engine to the dynamo. The torque coupling device is such that using only a single dynamo, the system is able to operate in different modes expected of hybrid vehicles, such as: electric drive only, engine drive only, electric and engine drive combined, and charging of the chargeable energy storage device. | 09-27-2012 |
20120252620 | DRIVE ARRANGEMENT FOR A VEHICLE ACCESSORY - A drive arrangement for auxiliary equipment of an engine includes an epicyclical gear having a sun gear, a ring gear and a planet carrier. A first component is connected to the engine, a second component is connected to a first electric machine, and a third component is connected to the auxiliary equipment. The first component is guided in rotation on the engine block and includes a rigid assembly which supports the other two components. The stator of the first electric machine is fixed on a holder. The holder is guided in rotation directly or indirectly on the first component rigid assembly, and the first component is guided in rotation on the engine block independently from the holder. | 10-04-2012 |
20120258830 | GEARBOX HAVING MULTIPLE INPUT AXLES AND TRANSMISSION DEVICE USING THE SAME - A transmission device for application to a vehicle is disclosed. The transmission device includes a planetary gear including means for restricting degrees of freedom and a gearbox having two input axles. The root axle of the gearbox is functionally connected to the planetary shaft of carrier or to the planetary shaft of the ring gear. An end portion of the first axle of the gearbox is functionally connected to the root axle via a synchronizing device and the other end portion to the driving axle of the vehicle or to the internal combustion engine. An end portion of the second axle is a free end and the other end portion is connected to the root axle. The second axle has a direction of rotation opposite to that of the root axle and the third axle a direction of rotation opposite to that of the connected planetary shaft. | 10-11-2012 |
20120258831 | ELECTRIC MACHINE FOR AN ELECTRIC AXLE OF A MOTOR VEHICLE - An electric machine arrangement for an electric axle of a motor vehicle has an electric machine. The electric machine is connected via a gearbox to at least one drive shaft which can be connected to a driven wheel of the motor vehicle. Further, the machine arrangement has a machine housing. The electric machine has a stator fixed to the housing and a rotor which is connected to an input element of the gearbox. The rotor is rotatably mounted on the machine housing by means of a first and a second rotor bearing section. The first rotor bearing section is connected to a machine output shaft which is connected to the input element of the gearbox. The machine output shaft is guided through the second rotor bearing section in a contactless fashion. | 10-11-2012 |
20120264553 | HYBRID TRANSMISSION WITH THREE PLANETARY GEAR SETS AND TWO INTERCONNECTING MEMBERS AND WITH SYNCHRONOUS SHIFT BETWEEN SERIES AND COMPOUND-SPLIT OPERATING MODES - A hybrid transmission is provided that has both a hybrid series operating mode and a compound-split operating mode. The transmission includes an input member operatively connected with the engine, an output member, and a plurality of selectively engageable torque-transmitting mechanisms. A gearing arrangement and first and second motor/generators operatively connected with the gearing arrangement are also provided. The gearing arrangement includes a first, a second, and a third planetary gear set, each having a first, a second, and a third member. A first interconnecting member connects a respective one of the members of each of the planetary gear sets for common rotation with one another. A second interconnecting member connects another one of the members of one of the planetary gear sets for common rotation with another one of the members of another of the planetary gear sets. | 10-18-2012 |
20120264554 | ELECTRIC MOTOR ASSEMBLY WITH MOVABLE ROTOR SEGMENTS TO REDUCE BACK ELECTROMOTIVE FORCE - An electric motor assembly includes a rotor hub, and a rotor supported on the rotor hub. The rotor hub has first and second hub portions, and the rotor has first and second annular rotor segments supported for rotation on the respective first and second hub portions. Each of the rotor segments has a respective set of magnets spaced circumferentially therearound. The rotor hub and the rotor segments are configured so that at least one of the rotor segments moves about the axis of rotation relative to the other of the rotor segments as the rotor hub rotates. The movement of the at least one of the rotor segments is an amount that increases as the speed of the rotor hub increases to reduce back electromotive force. The movement may be due to centrifugal force, which increases as speed increases, without requiring a control system to effect the movement. | 10-18-2012 |
20120264555 | SINGLE MODE COMPOUND POWER-SPLIT HYBRID TRANSMISSION - A hybrid electro-mechanical transmission has an input member, an output member, and a stationary member. The transmission has a planetary gear set with a first sun gear, a second sun gear, a carrier, a first set of pinion gears, a second set of pinion gears, and a ring gear. The carrier supports the sets of pinion gears. The first set of pinion gears meshes with the first sun gear and with the ring gear. The second set of pinion gears meshes with the second sun gear and with the second set of pinion gears. The input member is connected with the ring gear. The output member is connected with the first sun gear. A first motor/generator has a rotor connected with the carrier. A second motor/generator has a rotor connected with the second sun gear. A torque-transmitting mechanism is selectively engageable to ground the input member to the stationary member. | 10-18-2012 |
20120270690 | HYDROSTATICALLY POWER-SPLITTING TRANSMISSION - A hydrostatically power-splitting transmission ( | 10-25-2012 |
20120270691 | MULTI-MODE ELECTRIC DRIVE HYBRID TRANSMISSION - A hybrid powertrain for a vehicle having a disconnect clutch located between an internal combustion engine, or other power source, and a hybrid transmission. When deactivated, the disconnect clutch decouples the engine from the hybrid transmission, which enables the hybrid transmission input shaft to rotate independently of the internal combustion engine. This enables enhanced electric drive performance for the hybrid transmission. The disconnect clutch provides for internal combustion engine starting, including internal combustion starting at high vehicle speeds. | 10-25-2012 |
20120302387 | DYNAMIC REDUCTION-RATIO HOISTING DEVICE - A hoisting device including a cable drum, a first motor, a second motor and a gear assembly is provided. The gear assembly includes a first epicyclic and a second epicyclic. The first epicyclic includes a first carrier rotationally connected to the cable drum, a first sun rotationally connected to the first motor, a first annulus, and a first planet in meshing engagement with the first sun and the first annulus. The second epicyclic includes a second carrier rotationally grounded, a second sun rotationally connected to the second motor, a second annulus connected to the first annulus, and a second planet in meshing engagement with the second sun and the second annulus. | 11-29-2012 |
20120309574 | High efficiency hybrid vehicle with two planetary gear mechanisms for power derivation - A hybrid vehicle with high energy efficiency due to two planetary gear mechanisms of different ratios used for the power derivation: one planetary gear mechanism ( | 12-06-2012 |
20120309575 | Flywheel to recover kinetic energy for hybrid vehicle which has two planetary gears mechanisms for power derivation - The patent applications U.S. Ser. No. 13/118662 have for object a hybrid vehicle which uses two planetary gears mechanisms for its power derivation, one ( | 12-06-2012 |
20120309576 | POWER TRANSMITTING DEVICE - Disclosed is a power transmitting device capable of streamlined structure and control, as well as alleviating energy loss. The device comprises a planetary gear device wherein motive power of an engine and a motor is inputted from a first element and a second element; and a first clutch that transmits, in an interruptible manner, motive power from a second shaft that is linked to the second element, to a first shaft that is linked to a third element and an input shaft, while interrupting motive power from the first shaft or the input shaft to the second shaft. It is possible to switch motive power of the engine and the motor with motive power transmission switching by the first clutch, thus allowing streamlining of structure and control. | 12-06-2012 |
20120316021 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having first, second, and third rotation elements, the second directly connected to the input shaft, and the third directly connected to a first motor/generator, a second planetary gear set having fourth, fifth, and sixth rotation elements, the fourth directly connected to the first rotation element and a second motor/generator, and the fifth selectively connected to the second rotation element, an output gear connected to the sixth rotation element, a first clutch selectively connecting the second rotation element with the fifth rotation element, a second clutch selectively connecting two rotation elements among the rotation elements of the first planetary gear set, a first brake interposed between the fifth rotation element and a transmission housing, and a second brake interposed between the third rotation element and the transmission housing. | 12-13-2012 |
20120316022 | TRANSMISSION SYSTEM FOR A VEHICLE - A transmission system comprises two transmission modules which are arranged in series, an output shaft of the first transmission module being connected via a mount point to an input shaft of the second transmission module. The transmission system further includes an electromotor which is connected to the mount point. The first transmission module is formed by a two-step reduction mechanism and comprises a planetary gear set with at least three rotational members one of which is connected to a brake. The first transmission module further includes a short-circuit clutch which is positioned between the other two rotational members. The brake may be used for launching the vehicle. | 12-13-2012 |
20120322600 | METHOD AND APPARATUS FOR EXECUTING A SHIFT IN A POWERTRAIN SYSTEM - A method to shift a powertrain system from a first operating mode to a second operating mode wherein a common clutch is activated to effect operation in both the first and second operating modes includes, in sequence, deactivating the common clutch, activating an oncoming clutch associated with the second operating mode and deactivating an off-going clutch associated with the first operating mode, and activating the common clutch. | 12-20-2012 |
20120322601 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, a first planetary gear set having a third rotation element fixedly connected to the input shaft and a second rotation element fixedly connected to a first motor/generator, a second planetary gear set having a fourth rotation element selectively connected to the second rotation element, a fifth rotation element directly connected to the first rotation element, and a sixth rotation element fixedly connected to a second motor/generator, an output gear connected to the fifth rotation element, a first clutch selectively connecting the second rotation element with the fourth rotation element, a second clutch adapted to selectively connect the third rotation element with the second motor/generator, a first brake interposed between the fourth rotation element and a transmission housing, and a second brake interposed between the sixth rotation element and the transmission housing. | 12-20-2012 |
20120322602 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle includes an input shaft, a first planetary gear set having a first rotation element, a second rotation element directly connected to the input shaft, and a third rotation element directly connected to a first motor/generator, a second planetary gear set having a fourth rotation element directly connected to the first rotation element and a second motor/generator, a fifth rotation element, and a sixth rotation element selectively connected to the second rotation element, an output gear connected to the fifth rotation element, a first clutch selectively connecting the engine with the input shaft, a second clutch selectively connecting the second rotation element with the sixth rotation element, a first brake interposed between the third rotation element and a transmission housing, and a second brake interposed between the sixth rotation element and the transmission housing. | 12-20-2012 |
20120322603 | HYBRID VEHICLE DRIVING SYSTEM - The present invention provides a hybrid vehicle driving system which can implement sufficient lubrication while a vehicle is being driven. A hybrid vehicle driving system | 12-20-2012 |
20120329593 | HYBRID TRANSMISSION USING PLANETARY GEARSET FOR MULTIPLE SOURCES OF TORQUE FOR VEHICLES - Provided are alternative hybrid transmission systems for vehicles, as well as, propulsion systems and vehicles comprising such transmission systems, to improve various propulsion systems using a combination of at least two power sources with the option for simultaneous or alternating power input from two or more power sources, while providing desired characteristics or components. Such characteristics or components can include, but are not limited to: power, torque, acceleration, cruising speed or power, fuel efficiency, battery charging, endurance, power sizing, weight, capacity, efficiency, speed, mechanically and/or electrically added system requirements, design, fuel selection, functional design, structural design, lift to drag ratio, weight, and/or other desired characteristic or component. | 12-27-2012 |
20120329594 | HYBRID DRIVE SYSTEM - A hybrid drive system includes an input member, a rotating electric machine, a power distributing apparatus that distributes and transmits torque transmitted to the input member to the rotating electric machine and an output member, an output gear capable of outputting torque transmitted to the output member, an output bearing that rotatably supports the output member, and a rotor bearing that rotatably supports the rotor. The entire apparatus is arranged overlapping with the output member at a position in an axial direction on a radially inner side of the output member, and a ring gear of the apparatus is integrally provided with the output member, on an inner peripheral surface of the output member. The output gear is integrally provided with the output member, on an outer peripheral surface of the output member. The output bearing and the rotor bearing are arranged overlapping at a position in the axial direction. | 12-27-2012 |
20130012347 | Multi-Mode Powersplit Powertrain for Electric Vehicle - A powertrain includes a countershaft, a gearset including a sun gear, a carrier connected to an engine, a ring gear releaseably held against rotation and connectable to the countershaft, and pinions supported on the carrier and meshing with the sun gear and ring gear, an electric machine connected to the sun gear and connectable to the countershaft, and a second electric machine driveably connected to the countershaft. | 01-10-2013 |
20130017915 | HYBRID DRIVING APPARATUSAANM MIYATA; TakeshiAACI Shizuoka-KenAACO JPAAGP MIYATA; Takeshi Shizuoka-Ken JP - The present invention provides a first one-way clutch | 01-17-2013 |
20130017916 | VEHICLE DRIVE DEVICEAANM Sada; NatsukiAACI AnjoAACO JPAAGP Sada; Natsuki Anjo JPAANM Aoki; HidetoshiAACI AnjoAACO JPAAGP Aoki; Hidetoshi Anjo JPAANM Tsuchida; MichitakaAACI MiyoshiAACO JPAAGP Tsuchida; Michitaka Miyoshi JP - A vehicle drive device includes an input member drivingly coupled to a drive output member of an internal combustion engine that rotates in a positive direction; an output member drivingly coupled to wheels; a rotating electrical machine; a distribution output member drivingly coupled to the output member; and a differential gear unit that distributes and transfers a torque, transferred to the input member, to the rotating electrical machine and the distribution output member. The distribution output member is placed coaxially with the input member and supported in a radial direction by a support bearing so as to be capable of rotating. Rotation of the input member in a negative direction is restricted by a one-way clutch. The one-way clutch is placed radially inward of the support bearing. At least a part of the one-way clutch is placed so as to overlap the support bearing as viewed in the radial direction. | 01-17-2013 |
20130023368 | CLUTCH SYSTEM FOR A TRANSMISSION - A clutch system for a transmission having a clutch assembly and a brake assembly. The clutch system includes a clutch assembly and a brake assembly coupled to a planetary gear set, engine and two electric motors to reduce transmission complexity, costs, and efficiency losses. The clutch assembly also includes a wear compensation mechanism and a clutch separator mechanism. | 01-24-2013 |
20130023369 | HYBRID DRIVE SYSTEM - An electric drive device including an input member drivably coupled to an internal combustion engine, a first rotary electric machine, a second rotary electric machine disposed on an axis different from that of the first rotary electric machine, an output member drivably coupled to wheels and the second rotary electric machine, a power distribution device that distributes torque transferred from the input member to the output member and the first rotary electric machine, and a case. | 01-24-2013 |
20130023370 | CONTINUOUSLY VARIABLE TRANSMISSION DEVICE HAVING POWER SPLIT - A continuously variable transmission device ( | 01-24-2013 |
20130035186 | Reconfigurable Powersplit Powertrain for an Electric Vehicle - A powertrain includes a gearset including a sun gear, a carrier, a ring gear connected to a countershaft, pinions supported on the carrier and meshing with the sun gear and ring gear; a second gearset connectable to an engine, for overdriving a generator; a clutch for releasably connecting the engine and carrier; a second clutch for releasably connecting the sun gear and the generator; and a motor connected to a countershaft. Operation of the powertrain can be readily switched between powersplit mode and series mode. | 02-07-2013 |
20130035187 | MOTOR VEHICLE WITH BELT DRIVE AND PLANETARY GEAR TRAIN BETWEEN COMBUSTION ENGINE AND ELECTRIC MACHINE - In a motor vehicle, a combustion engine and electric machine are coupled with each other by a belt drive having a pulley and by a planetary gear train. The pulley is connected with a rotatable element, e.g. the sun gear of the planetary gear train. A second rotatable element, e.g. the ring gear of the planetary gear train, is connected with a brake disk. The brake disk extends radially farther outwardly than the pulley. In this way, the brake, for example two brake elements with a brake caliper support and brake shoes, can be arranged outside the pulley, resulting in small dimensions of the planetary gear train with the pulley. | 02-07-2013 |
20130035188 | HYBRID DRIVE APPARATUS - In a hybrid drive apparatus having an engine, a motor generator, and a planetary gear mechanism in which the output shaft of the motor generator is coupled to a sun gear, the output shaft of the engine is coupled to a ring gear, and the input shaft of a continuously variable transmission mechanism is coupled to a carrier, the hybrid drive apparatus includes a first clutch that can switch engagement/disengagement between the output shaft of the engine and the ring gear, a second clutch that can switch engagement/disengagement between the carrier and the ring gear, and a third clutch that can switch engagement/disengagement on the input shaft of the transmission mechanism. Consequently, the power transmission path for the driving force from the engine can be separated from the power transmission path between the motor generator and drive wheels, and various driving modes can be set while improving power transmission efficiency. | 02-07-2013 |
20130040773 | HYBRID VEHICLE DRIVING SYSTEM - In a driving apparatus for a hybrid vehicle having an internal combustion engine and first and second electric rotating machines, it is configured to have a speed increasing mechanism that increases speed of an output of the engine inputted through an input shaft and transmits it to the first electric rotating machine; a speed reducing mechanism that reduces speed of an output of the second electric rotating machine and transmits it to an output shaft; a first clutch adapted to connect and disconnect a first driving force transmission path coupling the speed increasing mechanism and the output shaft; and a second clutch adapted to connect and disconnect a second driving force transmission path coupling the engine and the output shaft. | 02-14-2013 |
20130045826 | POWERTRAIN WITH HYBRID TRANSMISSION - A powertrain has an input member, an output member, a stationary member, and a motor/generator. The powertrain includes a hybrid transmission with a first and a second planetary gear set. In some embodiments, a third planetary gear set is added. The motor/generator is continuously connected for common rotation with the first member of the second planetary gear set. A first interconnecting member continuously connects the second member of the first planetary gear set for common rotation with the third member of the second planetary gear set. A second interconnecting member continuously connects the third member of the first planetary gear set for common rotation with the second member of the second planetary gear set. A torque-transmitting mechanism is selectively engageable to connect the first member of the second planetary gear set for common rotation with the input member. | 02-21-2013 |
20130065718 | Counter-Rotation Electric Machine - A motor vehicle powertrain includes an engine, a motor/generator including a rotor, gearing including an input driveably connected to the engine, and an output secured to the rotor and driven in a rotary direction opposite to that of the input. | 03-14-2013 |
20130065719 | MOTOR VEHICLE WITH TRANSMISSION AND TRANSMISSION FLUID PUMP - A motor vehicle includes a transmission and a transmission fluid pump for transport of transmission oil to and within the transmission. The transmission fluid pump has a moving element which is coupled to a summation shaft of a planetary gear train. The planetary gear train has a ring gear which is operated by a first drive, and a sun gear which is operated by a second drive. A freewheel mechanism is arranged between the sun gear or a shaft connected to the sun gear and a further element so that the second drive can be switched off, when the first drive operates at high speeds while yet maintaining proper operation of the transmission fluid pump. | 03-14-2013 |
20130072336 | POWERTRAIN WITH TWO PLANETARY GEAR SETS AND TWO MOTOR/GENERATORS FOR HYBRID VEHICLE - A powertrain includes an input member, an output member, and a stationary member. A first and a second electric motor/generator are provided. Only two planetary gear sets are used, each having a respective first, second, and third member. An interconnecting member connects one of the members of a first one of the planetary gear sets to one of the members of a second one of the planetary gear sets. The input member, the output member, the first motor/generator and the second motor/generator are each continuously connected for common rotation with a different one of the members of the planetary gear sets that is not connected by the interconnecting member. Four brakes are each selectively engageable to ground a different respective one of the members of the planetary gear sets that is not connected by the interconnecting member to the stationary member. | 03-21-2013 |
20130072337 | HYBRID POWER TRAIN FOR VEHICLES - A hybrid power train for vehicles uses a double clutch transmission (DCT) to further improve the fuel efficiency of a vehicle, obtain a sporty transmission, and prevent the entire length thereof from being excessively lengthened, thereby sufficiently securing the ability of being mounted in a vehicle. | 03-21-2013 |
20130085029 | VEHICLE POWER OUTPUT DEVICE - A vehicle power output device for driving a first and second rotary electric machine in an efficient range in a wide driving region and for eliminating the need for a complicated mechanism and control. A planetary gear mechanism combines the rotational drive force of a first shaft rotationally driven by a first rotary electric machine and the rotational drive force of a second shaft rotationally driven by a second rotary electric machine and transmits the combined rotational drive force to a drive shaft with the rotational speed increased. The rotational drive force of the second shaft in the forward direction is transmitted to the planetary gear mechanism via a first one-way clutch unit and a first power transmitting mechanism. The rotational drive force of the second shaft in the opposite direction is transmitted to the drive shaft via a second one-way clutch unit and a second power transmitting mechanism. | 04-04-2013 |
20130090202 | DRIVE DEVICE FOR HYBRID ELECTRIC VEHICLE - A drive device for a hybrid electric vehicle includes a power splitting gear set including a first planetary gear set having three rotatable elements of a first sun gear, a first ring gear and a first pinion carrier, a first and second motor/generator. The input shaft is connectable with the first ring gear. The output shaft is connected with the first pinion carrier. The first motor/generator is connected with the first sun gear. The second motor/generator is connectable with the output shaft and the first ring gear. The first ring gear is capable of being fixed to a stationary part. | 04-11-2013 |
20130090203 | DIFFERENTIAL TRANSMISSION FOR A WIND POWER INSTALLATION AND METHOD FOR OPERATION OF SAID DIFFERENTIAL TRANSMISSION - A differential transmission ( | 04-11-2013 |
20130095970 | FLEXIBLE HYBRID TRANSMISSION WITH CONFIGURABLE MOTOR WINDING AND DECLUTCHING STRATEGY TO PROVIDE ELECTRIC VEHICLE AND HYBRID FUNCTIONS - A powertrain includes a first electric motor, a second electric motor and a transmission. The first electric motor includes an interchangeable winding set to provide the required power for the specific propulsion configuration utilized to propel the vehicle, i.e., a hybrid propulsion configuration or a full electric propulsion configuration. The transmission is operable in different powerflows to support operation of the powertrain in either of the hybrid propulsion configuration or the full electric propulsion configuration. The same powertrain may be used for either the hybrid propulsion configuration or the full electric propulsion configuration by switching the specific winding set installed into the first electric motor. | 04-18-2013 |
20130095971 | BICYCLE DRIVE UNIT - A bicycle drive unit includes a motor, a transmission mechanism and a torque combining member. The motor includes a crank axle receiving hole. The transmission mechanism includes a plurality of selectable gear ratios. The torque combining member is operatively coupled to the motor and the transmission mechanism to combine an output of the motor and an output of the transmission mechanism together. | 04-18-2013 |
20130102429 | METHOD FOR OPERATING A DRIVE TRAIN OF A HYBRID VEHICLE - A method for operating a hybrid vehicle drive-train having an engine, electric machine, transmission and a planetary gearset comprising ring, sun and carrier elements. A first planetary element is coupled to a transmission input shaft, a second planetary element is coupled to the electric machine, and a first clutch couples a third planetary element to the engine while a second clutch couples two of the three elements. When the second clutch is disengaged, the drive-train operates in a first mode while, when the second clutch is engaged, the drive-train operates in a second mode. When starting up or crawling, to change from first to second mode while maintaining traction force at the output, the second clutch engages to reduce the transmission capacity of the first clutch until slip occurs, then the engine speed is regulated, while synchronizing the second clutch, after which the second clutch engages without any load. | 04-25-2013 |
20130102430 | HYBRID PROPULSION SYSTEM - Disclosed is a hybrid propulsion system, comprising an engine, a first motor, a second motor, a power coupling device and a drive shaft. The power coupling device includes a first propeller shaft connected with said engine via a first clutch, a second propeller shaft connected with the rotor of said first motor, and a third propeller shaft connected with the rotor of said second motor. By a planetary gear mechanism with an inner ring gear, said first propeller shaft, said second propeller shaft and said third propeller shaft come into driving engagement with one another. Said inner ring gear and said third propeller shaft are individually selectively in driving engagement with said drive shaft. | 04-25-2013 |
20130109523 | HYBRID VEHICLE DRIVE DEVICE | 05-02-2013 |
20130109524 | DEVICE FOR A DRIVETRAIN OF A HYBRID VEHICLE, DRIVETRAIN AND METHOD FOR OPERATING THE SAME | 05-02-2013 |
20130109525 | TRANSMISSION FOR AN ELECTRIC OR HYBRID DRIVE MECHANISM | 05-02-2013 |
20130116076 | WIDE-NODE DRIVE SYSTEM - An electro-mechanical drive unit connectable with multiple power sources for launching and propelling a vehicle includes an output member, a stationary member, a gear-train, and a torque-transmitting device. The drive unit also includes a compound planetary gear arrangement having a first, second, third, and fourth junction points. The power sources include a first motor/generator and a second motor/generator. The second motor/generator is operatively connected to the compound planetary gear arrangement at the first junction point via the gear-train and the output member is operatively connected to the compound planetary gear arrangement at the second junction point. Additionally, the first motor/generator is operatively connected to the compound planetary gear arrangement at the fourth junction point. Furthermore, the torque-transmitting device is engageable to ground the third junction point to the stationary member. | 05-09-2013 |
20130116077 | WIDE-NODE DRIVE SYSTEM - An electro-mechanical drive unit connectable with multiple power sources for launching and propelling a vehicle includes an output member, a stationary member, and a torque-transmitting device. The drive unit also includes a compound planetary gear arrangement having a first, second, third, and fourth junction point. The power sources include a first motor/generator and a second motor/generator. The first motor/generator and the second motor/generator are disposed on a common rotating axis. The second motor/generator is operatively connected to the compound planetary gear arrangement at the first junction point and the output member is operatively connected to the compound planetary gear arrangement at the second junction point. Additionally, the first motor/generator is operatively connected to the compound planetary gear arrangement at the fourth junction point. Furthermore, the torque-transmitting device is engageable to ground the third junction point to the stationary member. | 05-09-2013 |
20130116078 | HYBRID VEHICLE - A power split mechanism of a hybrid vehicle includes a sun gear that is coupled to a electric power generator, a ring gear that is coupled to a electric motor and a driving wheel, a pinion gear that meshes with the sun gear and the ring gear, and a carrier that supports the pinion gear and is coupled to a engine. Each of the arms of a inverter includes a first switching element that is provided on an upper arm thereof, and a second switching element that is provided on a lower arm thereof. A control device turns on one of the first switching element and the second switching element and turns off the other if an operation of stopping a vehicle system is performed during running. | 05-09-2013 |
20130116079 | Transmission for operating an auxiliary assembly - A transmission for operating an auxiliary assembly in a drivetrain of a hybrid vehicle, includes a first sun gear rotatable about a main axis on a drive input side of the transmission, a first planet gear in engagement with the first sun gear on the drive input side of the transmission, a second planet gear on a drive output side of the transmission and mounted with the first planet gear on a common shaft, and a second sun gear in engagement with the second planet gear on the drive output side of the transmission, for coupling to the auxiliary assembly. The first planet gear is connected to the shaft by a first freewheel, which generates a rotationally conjoint connection when the first planet gear overruns in a first direction of rotation, and generates a freewheeling connection when the first planet gear overruns in a second, opposite direction of rotation. The shaft is mounted in a second freewheel in a planet carrier, which second freewheel permits a rotation of the shaft when the shaft rotates about its axis in the first direction of rotation and blocks a rotation of the shaft in the second, opposite direction of rotation. | 05-09-2013 |
20130123054 | Automated Manual Transmission - An automated manual transmission which improves merchantability of a vehicle by preventing a shift feeling deterioration phenomenon and forming a smooth and stable shift feeling by removing a torque decrease phenomenon caused during a shift by dualizing a transmission path of power supplied to drive the vehicle during the shift through a relatively simple and compact configuration while using a synchro-mesh type shift mechanism. | 05-16-2013 |
20130130856 | ELECTRIC VEHICLE DRIVING SYSTEM - An electric vehicle driving system includes an energy-storage apparatus ( | 05-23-2013 |
20130143706 | HYBRID POWERTRAIN WITH COMPOUND-SPLIT EVT DRIVE AXLE AND ELECTRIC DRIVE AXLE - A hybrid powertrain is provided for a vehicle that has a first axle and a second axle. The hybrid powertrain includes an engine, a stationary member, and an electrically-variable transmission that has a first and a second interconnected planetary gear set and a first and a second motor/generator. The engine, the first motor/generator, the second motor/generator and the first axle are each operatively connectable for rotation with a different member of the first and the second planetary gear sets. The powertrain has an electric drive unit that has reduction gearing and a third motor/generator. The third motor/generator and the second axle are each operatively connected to a different member of the third planetary gear set. The powertrain is operable in a compound-split operating mode. | 06-06-2013 |
20130150196 | HYBRID TRANSMISSION - A hybrid transmission includes a first planetary gear set and a second planetary gear set. The first planetary gear set is constituted of a complex planetary gear train connected to an input element, a motor/generator, and a first clutch, and has four or more rotation elements. The first rotation element of the first planetary gear set is selectively connected to the input element and the first clutch is installed to selectively stop rotation of a third rotation element of the first planetary gear set. The fourth rotation element of the first planetary set is selectively connected to the motor/generator. The second planetary gear set is connected to an output element, and has four or more rotation elements. | 06-13-2013 |
20130150197 | POWER STRUCTURE OF HYBRID SYSTEM - Provided is a power structure of a hybrid system. In particular, the power structure of a hybrid system includes a planetary gear part including a sun gear, a carrier, and a ring gear, a first motor connected with the sun gear, a second motor connected with the ring gear, an engine and a brake connected with the carrier to drive a hybrid car by two motors at the time of EV traveling, thereby improving traveling performance and increase an EV region without increasing the motor size, thereby improving fuel efficiency. | 06-13-2013 |
20130150198 | ELECTRICALLY VARIABLE DRIVE UNIT - An electrically variable drive unit having two electric motors is provided. The first electric motor is mounted along the same axis as an engine. The second electric motor is mounted along the same axis as a transmission output. | 06-13-2013 |
20130150199 | PUMP UNIT WITH A PUMP AND A HYBRID DRIVE - The pump unit has a pump and a hybrid drive. The pump comprises a pump housing and a pump shaft. The hybrid drive comprises an electric motor and a driveshaft connection to a driveshaft. The electric motor and the driveshaft connection are each in driving mechanical functional connection with the pump shaft by way of a planetary gearset for driving the pump shaft. A stator of the electric motor is at least partially integrated in the pump housing. A rotor of the electric motor is mechanically connected fixed to a sun gear of the planetary gearset. The driveshaft connection is mechanically connected fixed to a ring gear of the planetary gearset. The pump shaft is mechanically connected fixed to a planetary carrier of the planetary gearset. | 06-13-2013 |
20130165286 | HYBRID DRIVE CONFIGURATION FOR A MOTOR VEHICLE - A hybrid drive configuration is provided wherein the carrier of a first planetary gear set is coupled with the ring gear of a second planetary gear set, which is embodied as a Ravigneaux gear set. The ring gear of the second planetary gear set is fixedly connected to a driven shaft. The carrier of the second planetary gear set is connectable to the ring gear of the first planetary gear set by a clutch. The ring gear of the first planetary gear set is fixedly connected to a drive shaft. The rotor of a first electric machine is fixedly connected to the sun gear of the first planetary gear set. The rotor of a second electric machine is fixedly connected to the first sun gear of the second planetary gear set. The second sun gear of the second planetary gear set is connectable to a housing by a brake. | 06-27-2013 |
20130172140 | SPLIT AXIS TRANSMISSION HYBRID SYSTEM ARCHITECTURE - A split-axis transmission hybrid system may include two planetary gear sets to provide two parallel torque paths from an input axis to an output axis. A secondary power source may be coupled to either the input axis or the output axis to provide torque to the system. Thus, the split-axis transmission hybrid system may provide the ratio preselection capability and the low power losses of a dual-clutch transmission and the ratio-changing control and smoothness of a traditional powershift automatic transmission, while also providing the improved efficiency and enhanced drivability of a hybrid power source arrangement. | 07-04-2013 |
20130184111 | HYBRID VEHICLE DRIVING APPARATUS - A hybrid vehicle driving apparatus includes: a first rotor shaft of a first electric motor, the first electric motor being disposed on a first axis; a power distribution mechanism that includes a planetary gear device and is disposed on the first axis; an output gear shaft that serves as an output member of the power distribution mechanism and is disposed on the first axis; a counter shaft disposed on a second axis; a second rotor shaft of a second electric motor disposed on a third axis; a power transmission shaft disposed on the third axis; a differential gear disposed on a fourth axis; and a casing that includes a plurality of case members. The output gear shaft, the power transmission shaft, the counter shaft, the differential gear, the first rotor shaft, and the second rotor shaft are rotatably supported by a common case member that is one of the plurality of case members. | 07-18-2013 |
20130184112 | PLANETARY GEAR SYSTEM USING TOW INPUT CHARACTERISTIC AND GEAR MODULE THEREOF AND METHOD FOR CONTROLLING THE SAME - Disclosed are a planetary gear system using tow input characteristics, a gear module thereof, and a method for controlling the same, which exhibit an effect of the gear shift using two motor characteristics, and also a gear module thereof, and a method for controlling the same. A gear system including a first gear unit; a second gear unit that rotates to mesh with the first gear unit; a third gear unit that rotates to mesh with at least one of the first gear unit and the second gear unit; and a driving source that generates a driving force. Two gear units of the first to third gear units serve as input parts to which driving forces from the driving source are transmitted, respectively, and the rest one gear unit serves as an output part from which a resultant force obtained by combining the driving forces is output. | 07-18-2013 |
20130190122 | HYBRID POWERTRAIN - A transmission includes a first motor/generator having a first rotor that is selectively rotatable about a first axis and a second motor/generator having a second rotor that is selectively rotatable about a second axis. A first planetary gearset and a second planetary gearset each has a respective first planetary member, a respective second planetary member, and a respective third planetary member. One of the members of the first planetary gearset is operatively connected to the first rotor to receive torque therefrom. One of the members of the second planetary gearset is operatively connected to the second rotor to receive torque therefrom. | 07-25-2013 |
20130196805 | HYBRID POWERTRAIN WITH LAYSHAFT TRANSMISSION AND ELECTRIC TORQUE CONVERTER AND METHOD OF CONTROLLING SAME - A powertrain has an electric torque converter that includes an electric motor/generator, and a differential gear set having a first member, a second member, and a third member. The powertrain includes a layshaft transmission having a first input member connected to the first member, a second input member connected to the second member, and having a plurality of selectively engageable torque-transmitting mechanisms each of which is selectively engageable to establish a different respective speed ratio through the transmission. At least one controller is provided, and the motor/generator is connected for common rotation with the third member and is controlled by said at least one controller to establish a speed of the third member that permits synchronous engagement and disengagement of the torque-transmitting mechanisms to shift from one of the respective speed ratios to a successive one of the respective speed ratios. A method of controlling the powertrain is also provided. | 08-01-2013 |
20130196806 | ELECTROMECHANICAL VARIABLE TRANSMISSION - A vehicle drive includes a first gear set and a second gear set both having a sun gear, a ring gear and planetary gears which couple the sun gear to the ring gear. The planetary gears of both sets are rotatably supported by respective planetary gear carriers which are coupled to each other. The vehicle drive also includes an engine, a first clutch which selectively engages the engine to the ring gear of the first gear set, a first motor/generator coupled to the sun gear of the first gear set and a second motor/generator coupled to the sun gear of the second gear set and electrically coupled to the first motor/generator, a second clutch which selectively engages the engine to the second motor/generator, and a third clutch and a third gear set which operate to selectively engage the ring gear of the second gear set to the planetary gear carriers. | 08-01-2013 |
20130196807 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE - A hybrid drive train for a motor vehicle, comprising at least one internal combustion engine and at least one electric motor, which is functionally connected to the internal combustion engine, or can be functionally connected to said internal combustion engine, wherein a multi-speed transmission having two planetary gear sets, with at least one transmission input shaft and at least one transmission output shaft is provided, wherein the multi-speed transmission exhibits at least four shift elements, the selective actuation of which results in different transmission ratios between the at least one transmission input shaft and the transmission output shaft, such that at least three forward gears are realized. | 08-01-2013 |
20130196808 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE - A transmission comprises an input shaft and an output shaft and two power paths between the input shaft and a main gear set. The transmission also comprises a first, second, third and fourth shafts, wherein at least one electric machine can be connected to one of the shafts of the main gear set, the first shaft can be connected via a first shifting element to a first power path and via a second shifting element to a second power path, the second shaft can be connected via a third shifting element to the first power path and via a fourth shifting element to the second power path, the third shaft is continuously connected to the output shaft, the fourth shaft can be fixed via a sixth shifting element and can be connected via a fifth shifting element to the first power path. | 08-01-2013 |
20130196809 | HYBRID POWER TRAIN FOR A MOTOR VEHICLE - A transmission comprises an input shaft, an output shaft and at least two power paths between the input shaft and a driving gear set with a first, second, third and fourth shafts, wherein a first power paths has a first fixed gear ratio and a second of the power paths has a second fixed gear ratio smaller than the first fixed gear ratio. The first shaft can be fixed by a first gear-shifting element, and can be connected by a second-gear shifting element to the first power path. The second shaft can be connected by a third gear-shifting element to the first power path and by a fourth gear-shifting element to the second power path. The third shaft is permanently connected to the output shaft. The fourth shaft can be connected by a fifth gear-shifting element to the second power path and can be fixed by a sixth gear-shifting element. | 08-01-2013 |
20130196810 | HYBRID POWER TRAIN FOR A MOTOR VEHICLE - A transmission comprises a transmission input shaft, a transmission output shaft, and three power paths situated between the transmission input shaft and a main gear set. The main gear set comprises two single planetary gear sets a first, a second, a third and a fourth shafts. An electric motor is connected with at least one of the four shafts. The first shaft can be connected with the first power path via a first switching element and with the third power path via a second switching element. The second shaft can be connected with the first power path via a third switching element and with the third power path via a fourth switching element. The third shaft is constantly connected with the transmission output shaft. The fourth shaft can be connected with the second power path via a fifth switching element and can be fixed by a sixth switching element. | 08-01-2013 |
20130203540 | CENTER ADAPTER ASSEMBLY - An adapter assembly is provided and includes a body having a first periphery, a second periphery opposite the first periphery and a central region interposed between the first and second peripheries. The first periphery is attachable to a first housing at a first aperture thereof, the first housing defining an interior in which a first motor is disposable. The second periphery is attachable to a second housing at a second aperture thereof, the second housing defining an interior in which a second motor is disposable. The central region is configured to encase a coupling for operably coupling the first and second motors via the first and second apertures, respectively, for output to a shaft. | 08-08-2013 |
20130210567 | HYBRID DUAL CONFIGURATION TRANSMISSION - A hybrid dual configuration transmission for a vehicle having an electric motor, planetary gear set and a plurality of gear meshes is disclosed herein. The hybrid dual configuration transmission provides for a plurality of electrically variable transmission operating modes and a plurality of fixed gear operating modes. The hybrid dual configuration transmission may be operated utilizing exclusively the electric motor, exclusively an engine, or any combination of the electric motor and engine. | 08-15-2013 |
20130225348 | MULTI-CVT DRIVE SYSTEM HAVING DIFFERENTIAL EPICYCLE GEAR SET - The present invention utilizes the rotary kinetic power of a rotary kinetic power source to directly drive the epicyclic gear set, or to drive the epicyclic gear set through a transmission device, then a continuous variable transmission (CVT) is individually installed between two output shafts of the epicyclic gear set and the load driven thereby, so the wheel set of the driven load is enabled to randomly perform variation of the driving speed ratio and the driving torque, so as to drive the combined common load; between the output ends of the mentioned two continuous variable transmissions, a limited slip differential or a stabilize device composed of a dual shaft connecting device having slip coupling torque can be further installed according to actual needs. | 08-29-2013 |
20130225349 | MULTI-MODE DRIVE UNIT - Multi-mode operation is provided for an electrically variable transmission for a motor vehicle. The multi-mode electrically variable transmission provides for multiple gear ratios and power flow configurations including fixed gear operation. An improved input-split planetary gear set configuration is provided for the multi-mode electrically variable transmission. The multi-mode electrically variable transmission may be operated in its desired efficiency and/or performance range more frequently. Further, the transmission reduces clutch torques and provides improved functionality in range-extended electric vehicles and battery electric vehicles. The multi-mode electrically variable transmission is provided with a fixed gear operating capability for improved highway cruising and incorporates a reverse gear for reverse operation. | 08-29-2013 |
20130225350 | CONTINUOUSLY VARIABLE TRANSMISSIONS FOR MOTOR VEHICLES - A transmission for transferring torque from a prime mover includes a first input shaft adapted to be driven by the prime mover, a second input shaft, an output shaft and an epicyclic gearset. The gearset includes a ring gear being driven by the first input shaft, pinion gears being driven by the ring gear, a sun gear driven by the second input shaft and driving the pinion gears, and a carrier driving the output shaft. A reaction motor drives the second input shaft. A controller controls the reaction motor to vary the speed of the second input shaft and define a gear ratio between the first input shaft and the output shaft based on the second input shaft speed. | 08-29-2013 |
20130231208 | PROPULSION AND MOTION-TRANSMISSION ASSEMBLY, IN PARTICULAR FOR A ROTARY-WING AIRCRAFT - A propulsion and motion-transmission assembly ( | 09-05-2013 |
20130237359 | DRIVING APPARATUS FOR HYBRID VEHICLE - To provide a driving apparatus for hybrid vehicle for driving an oil pump by a motor generator, which has a configuration such that the revolution of the oil pump can be changed regardless of the running speed of the vehicle, and whereby the drive loss of the oil pump is reduced. | 09-12-2013 |
20130237360 | POWER SPLIT ELECTRIC ALL-WHEEL DRIVE - A front drivetrain capable of providing all-wheel drive to a rear-wheel drive architecture. The front drivetrain is coupled to the front end of the crank shaft and includes a power-split planetary gear arrangement that couples an electric machine to the front drivetrain. In one embodiment, the planetary gear arrangement includes a sun gear coupled to the crank shaft, a planetary gear set with a carrier coupled to the driveshaft, a ring gear coupled to the electric machine. The driveshaft may be connected to left and right front axles by a bevel gear set and a differential. In an alternative embodiment, sun gear may be coupled to the electric machine and the ring gear can be coupled to the crank shaft. In this alternative embodiment, the planetary gear set remain coupled to the driveshaft. | 09-12-2013 |
20130252773 | POWERTRAIN SYSTEM FOR HYBRID VEHICLES HAVING MULTIPLE MODES OF OPERATION - A powertrain system for a vehicle is provided. The powertrain system includes an internal combustion engine, a first gearset connected to the internal combustion engine, a first electric machine connected to the first gearset, a drivetrain gear for connection to a drivetrain of the vehicle, a second gearset connecting the first gearset to the drivetrain gear, a second electric machine, and at least one dynamic clutch selectively coupling the second electric machine to the first electric machine, the first gearset, and the second gearset. In a first mode of operation, the at least one dynamic clutch couples the second electric machine and the first electric machine. In a second mode of operation, the at least one dynamic clutch couples the second electric machine and the first gearset. In a third mode of operation, the at least one dynamic clutch couples the second electric machine and the second gearset. | 09-26-2013 |
20130252774 | INTEGRATED ELECTRO-MECHANICAL POWERTRAIN SYSTEM FOR HYBRID VEHICLES - A vehicle powertrain system including a differential gear set, a planetary gear set coupled to the differential gear set, an engine coupled to the planetary gear set to transfer power between the engine and the planetary gear set, a first electric machine coupled to the planetary gear set via a first clutch and selectively engagable, via actuation of the first clutch, to transfer power between the first electric machine and the planetary gear set, and a second electric machine coupled to the planetary gear set via a second clutch and selectively engagable, via actuation of the second clutch, to transfer power between the second electric machine and the planetary gear set. | 09-26-2013 |
20130260935 | MULTI-SPEED TRANSMISSION WITH AN INTEGRATED ELECTRIC MOTOR - A transmission with an integrated electric motor includes an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio. | 10-03-2013 |
20130260936 | HYBRID DRIVE APPARATUS - A hybrid drive apparatus is provided in which a first planetary gear mechanism transmits rotation of a first main shaft to which the driving force of an engine is inputted to a main speed-changing part at an equal speed due to engagement of a first clutch, and transmits the rotation of the first main shaft to the main speed-changing part and a first motor/generator at an increased speed due to engagement of a second clutch. This enables the range of gear ratios of the transmission to be extended and the degree of freedom in setting a gear ratio or a step ratio to be increased, and moreover, it is possible to enhance the power generation efficiency by rotating the first motor/generator at a high speed without using a special speed increase device. | 10-03-2013 |
20130260937 | DRIVE MECHANISM - A drive mechanism comprises a drive source which is connected by means of a clutch to a transmission which is connected to wheels of the vehicle. The drive mechanism further includes two hybrid modules of which a first module is connected to the drive source and the second module is connected between the transmission and the wheels to the drive line. The first hybrid module comprises a flywheel and a flywheel clutch and the second hybrid module comprises a motor/generator and a further clutch. | 10-03-2013 |
20130260938 | TRANSMISSION MODULE FOR A HYBRID DRIVE - A drive mechanism has a transmission module which has a first input which is connected to an electromotor/generator, and a second input which is connected to a combustion engine. The transmission module has a planetary gear set having three rotational members of which a first rotational member is connected to the input, a second rotational member is connected to an output, and a third rotational member is connected to a brake. A clutch is positioned between the combustion engine and the third rotational member and a further clutch is positioned between the combustion engine and the first rotational member. | 10-03-2013 |
20130260939 | DEVICE FOR A DRIVE TRAIN OF A HYBRID VEHICLE, DRIVE TRAIN AND METHOD FOR OPERATING SAME - A device for a drive-train of a hybrid vehicle having a planetary gear system that comprises three elements, namely, a ring gear, sun gear and carrier. A first element of these elements of the planetary gear system has a fixed connection with a transmission input shaft of a transmission. A second element of the elements of the planetary gear system has a fixed connection with an electric machine of a hybrid drive. A clutch which can couple two of the three elements of the planetary gear system with one another. Additionally, a shifting element is provided by which a third element, of these three elements of the planetary gear system, can be coupled, in a first shift position, to an internal combustion engine of the hybrid drive and, in a second shift position, to one of a housing or a stator. | 10-03-2013 |
20130267365 | IN-WHEEL MOTOR - There is provided an in-wheel motor that can reduce the loss of energy. An electric vehicle driving device includes a first motor, a second motor, a speed change mechanism, a speed reducing mechanism, and a clutch device. A first planetary gear mechanism of the speed change mechanism is a single-pinion type planetary gear device. A second planetary gear mechanism of the speed change mechanism is a double-pinion type planetary gear device. The electric vehicle driving device operates so as to switch a first speed change state where the magnitudes of rotational forces of the first motor and the second motor are equal to each other and the directions of the rotational forces are opposite to each other, and a second speed change state where the rotational forces have the same magnitude and direction. | 10-10-2013 |
20130267366 | HYBRID POWERTRAIN - A powertrain includes an engine, electric motor, disconnect clutch and a transmission. The transmission has an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of three to establish a plurality of forward gear ratios and at least one reverse gear ratio. The electric motor is connected to the input of the transmission and the engine is selectively connected to the input member through the disconnect clutch. A controller is configured to control the operation of the powertrain. | 10-10-2013 |
20130267367 | DEVICE FOR A DRIVETRAIN OF A HYBRID VEHICLE, DRIVETRAIN, AND METHOD FOR OPERATING SAME - A device for a drive-train of a hybrid vehicle comprising a planetary gearset having three elements which comprise a carrier, a sun gear and a ring gear. A first elements serves as a fixed connection of a first input shaft of a first partial transmission of a transmission. A second of the elements serves as a fixed connection of a hybrid drive electric machine. A first shifting element connects, in a first position thereof, a third of the elements to a second input shaft of a second partial transmission, to which a hybrid drive combustion engine can be coupled. The first shifting element, when in a second position, connects the third of the elements to the housing or the stator. A second shifting element, when engaged, couples the two input shafts of the two partial transmissions with one another and, when disengaged, separates the two input shafts from one another. | 10-10-2013 |
20130274047 | DRIVE TRAIN - A drive train for a motor vehicle, in particular a hybrid vehicle, having a drive shaft that can be connected to an internal combustion engine, and a transmission oil pump that can be coupled to the drive shaft by means of a switchable freewheel. An electrical machine for driving the transmission oil pump is also provided and is arranged in the power flow direction between the drive shaft and the transmission oil pump, and is in parallel to the freewheel in the power flow direction. A second freewheel is unnecessary and thereby reduces the construction space needed for the power train. | 10-17-2013 |
20130281242 | DOG CLUTCH WITH SYNCHRONIZER AND METHOD - A transmission disconnect clutch assembly and method are provided. The clutch assembly operates to place the transmission in a low-loss state, by decoupling the base transmission from the differential gearing, thereby maximizing fuel economy and increasing efficiency. The transmission disconnect clutch assembly may be a dog clutch assembly, which may include a dog clutch hub, a clutch apply plate, and a synchronizer. When the dog clutch is disengaged the vehicle may operate in EV mode, propelled by an electric motor and rear e-axle. When the dog clutch is engaged the vehicle may operate in hybrid mode, propelled by torque transmitted to a front axle by an engine and the torque transmitted to the rear e-axle by the electric motor. A method for transitioning a vehicle between EV mode and hybrid mode, as well as a method for transitioning a vehicle between hybrid mode and EV mode are also provided. | 10-24-2013 |
20130281243 | CONTINUOUSLY VARIABLE TORQUE TRANSFER MECHANISM - A transmission for transferring torque from a prime mover includes a first input shaft adapted to be driven by the prime mover, a second input shaft, an output shaft and an epicyclic gearset. The gearset includes a ring gear being driven by the first input shaft, pinion gears being driven by the ring gear, a sun gear driven by the second input shaft and driving the pinion gears, and a carrier driving the output shaft. A reaction motor drives the second input shaft. A controller controls the reaction motor to vary the speed of the second input shaft and define a gear ratio between the first input shaft and the output shaft based on the second input shaft speed. | 10-24-2013 |
20130296088 | DRIVE TRAIN FOR A HYBRID VEHICLE - A drive train for a hybrid vehicle, and which includes an internal combustion engine, at least one electric machine, a first planetary gear and a second planetary gear between a transmission input shaft, which is in drive connection to the output shaft of the internal combustion engine, and a transmission output shaft. | 11-07-2013 |
20130296089 | POWER TRAIN FOR HYBRID VEHICLE - An exemplary embodiment of the present invention provides a power train for a hybrid vehicle can achieve three or more fixed gear ratio modes where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode, which is the basic drive modes of a hybrid vehicle, and two or more power division modes including an input division mode and a composite mode, thereby driving the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improving fuel efficiency. | 11-07-2013 |
20130296090 | ENERGY GENERATING INSTALLATION - Disclosed is an energy generating installation, especially a wind power station, including a drive shaft, a generator ( | 11-07-2013 |
20130324340 | TWO-MODE ELECTRICALLY-VARIABLE TRANSMISSION WITH OFFSET MOTOR AND TWO PLANETARY GEAR SETS - A hybrid powertrain has an electrically-variable transmission with a compound planetary gear set that may be only two planetary gear sets. Two members of the first planetary gear set are connected for common rotation with two members of the second planetary gear set. A first motor/generator is connected for common rotation with a member of the first planetary gear set and a member of the second planetary gear set. An input member is connected to another member of the first planetary gear set. A first set of intermeshing gears includes a first gear connected for common rotation with one of the gears of the second planetary gear set and a second gear driven by a second motor/generator. A second set of intermeshing gears includes another gear driving the output member. A first clutch is engageable to establish an input-split mode. A second clutch is engageable to establish a compound-split mode. | 12-05-2013 |
20130324341 | POWER TRANSMITTING APPARATUS FOR VEHICLE - A power transmitting apparatus includes: an electric supplementary drive unit; a torque converting device including a planetary gear set having a first rotation element connected to the electric supplementary drive unit, a second rotation element connected to an engine, and a third rotation element operated as an output element; an input device including a first input shaft selectively connected to the second rotation element through one clutch and provided with at least one input gear fixedly disposed thereon, and a second input shaft disposed on the same axis as the first input shaft without rotational interference with the first input shaft, directly connected to the third rotation element, selectively connected to the second rotation element through the other clutch, and provide with at least one input gear fixedly disposed thereon; and a speed output device converting torque of the input device and outputting the converted torque. | 12-05-2013 |
20130331216 | TWO MOTOR ELECTRIC DRIVE HYBRID TRANSMISSION - A two motor electric drive hybrid transmission for a vehicle. The two motor electric drive hybrid transmission allows both electric motors to provide propulsive force during engine on and engine off operations when desired. The two motor electric drive hybrid transmission also provides improved and flexible operating configurations. | 12-12-2013 |
20130331217 | MOTOR DRIVING FORCE TRANSMISSION DEVICE - A motor driving force transmission device including a speed reduction and transmission mechanism which transmits a motor driving force to a rear differential, a first electric motor that is connected to the rear differential via the speed reduction and transmission mechanism and which produces a first motor driving force, a second electric motor that is connected to the first electric motor and the speed reduction and transmission mechanism and which produces a second motor driving force, and an ECU. The ECU outputs a control signal to drive both the first electric motor and the second electric motor when a driving torque required for the rear differential is equal to or larger than a predetermined torque, and outputs a control signal to drive alternately the first electric motor and the second electric motor when the driving torque required for the rear differential is smaller than the predetermined torque. | 12-12-2013 |
20130345008 | HYBRID TRANSMISSION FOR A MOTOR VEHICLE - A transmission includes a main gearbox and an electric machine. The main gearbox has a primary shaft, a secondary shaft and gear sets, each having a driving gearwheel carried by a respective primary shaft and a driven gearwheel carried by a respective secondary shaft. A first gearwheel and a second gearwheel meshing with each other are idly mounted on the primary shaft and on the secondary shaft, respectively, and are selectively connectable for rotation with the respective shaft by a first coupling device and of a second coupling device, respectively. The electric machine is releasably connected to the first gearwheel or to the second gearwheel, such that with the first coupling device in an engaged position the electric machine is able to transmit torque to the primary shaft on which the first gearwheel is mounted, while with the second coupling device in an engaged position, the electric machine is able to transmit torque to the secondary shaft on which the second gearwheel is mounted. The transmission further includes a secondary gearbox with two or more gears between the electric machine and the first or the second gearwheel. | 12-26-2013 |
20130345009 | VEHICLE POWER TRANSMISSION DEVICE - A vehicle power transmission device includes: a first planetary gear device distributing power from an engine to a first electric motor and a cylindrical output member having an output gear disposed on a portion in an axial center line direction on an outer circumferential side; and a second planetary gear device having a second sun gear coupled to a second electric motor, a second carrier fixed to a case, and a second ring gear coupled to an inner circumference of the cylindrical output member to reduce and transmit output rotation of the second electric motor to the cylindrical output member, the cylindrical output member being supported via a bearing disposed on an inner circumferential side of the cylindrical output member by the second carrier fixed to the case. | 12-26-2013 |
20130345010 | HYBRID DRIVE OF A MOTOR VEHICLE - A hybrid drive of a motor vehicle comprising a combustion engine having a drive shaft, at least one electric machine, a manual transmission having input shafts (GE | 12-26-2013 |
20140004986 | ELECTRIC MOTOR/GENERATOR POWER TRANSFER UNIT | 01-02-2014 |
20140011618 | VEHICLE DRIVE DEVICE - A vehicle drive device having an input member coupled to an internal combustion engine; an output member coupled to a wheel; a first rotating electrical machine; a second rotating electrical machine; and a differential gear unit having at least three rotating elements. A dog engagement device is provided on a power transmission path between the input member and an input rotating element. The engagement device includes a state selecting member that switches a state among three states, which are a first state where the input rotating element and the input member are coupled and the input rotating element and a non-rotating member are not coupled, a second state where the input rotating element coupled with both the input member and the non-rotating member, and a third state where the input rotating element and the non-rotating member are coupled. | 01-09-2014 |
20140031158 | PLANETARY HYBRID TRANSMISSION - The present invention is an automatic transmission equipped with at least one planetary gear set and including a single electric motor/generator having a motor output shaft; a hydrocarbon fueled engine; at least one transmission input shaft; an engine clutch operatively attached to the hydrocarbon fueled engine to the at least one transmission input shaft; a motor/generator clutch; a plurality of transmission clutches; and, a plurality of transmission clutch brakes. | 01-30-2014 |
20140031159 | DRIVE UNIT FOR AN ELECTRIC HYBRID VEHICLE - A drive unit for a hybrid electric motor vehicle includes a bevel pinion driveably connected to a power source, a bevel gear meshing with the bevel pinion and aligned with an axis, first and second drive shafts, a differential mechanism including an input secured to the bevel gear for transmitting power between the input and the first and the second drive shafts, an electric motor/generator including a rotor, and a planetary gear set driveably connected to the input and the rotor for transmitting power between the rotor and the input such that a speed of the rotor is greater than a speed of the input. | 01-30-2014 |
20140051536 | SINGLE-INPUT AND SINGLE-OUTPUT HYBRID SYSTEM - A hybrid assembly having a single input and a single output is provided. The hybrid assembly may be operated in electronically variable, fixed gear, direct gear, and locked modes. | 02-20-2014 |
20140051537 | SINGLE-INPUT AND SINGLE-OUTPUT HYBRID SYSTEM - A hybrid assembly for a vehicle is provided having a single input and a single output. The hybrid assembly is compactly packaged and achieves a wide range of gear ratios. The hybrid assembly may be used in a vehicle power train with or without an additional transmission. | 02-20-2014 |
20140080648 | DRIVE SYSTEM INCLUDING A TRANSMISSION FOR A HYBRID ELECTRIC VEHICLE - A drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second, third and fourth elements. The second element connects with an output shaft of the transmission and a first output shaft of an internal combustion engine connects with the third element for driving the third element. An electric motor having an output shaft connecting with the first element drives the first element in response to an electrical signal. An electric motor-generator unit has an output shaft which connects with the fourth element for driving the fourth element in response to an electrical signal. A second output shaft of the engine also connects with the fourth element through the unit for driving the fourth element. The resulting system has a plurality of different operating modes including a reverse gear or operating mode powered electrically and by the internal combustion engine. | 03-20-2014 |
20140080649 | DRIVE DEVICE AND VEHICLE WITH SAME - A drive device | 03-20-2014 |
20140080650 | DRIVETRAIN FOR A MOTOR VEHICLE - A drivetrain for a motor vehicle has a first electric machine provides drive power, wherein the first electric machine is connected to an electrical energy store. A differential can distribute drive power to two driven wheels or axles of the motor vehicle. A first transmission arrangement which connects the first electric machine to the differential. A second electric machine which is coupled to an internal combustion engine in order to charge the electrical energy store in a generator mode. A second transmission arrangement connects the internal combustion engine to the differential. The second transmission arrangement has a first gear stage and a second gear stage which can be alternately engaged, for the transmission of drive power from the internal combustion engine to the differential, by means of a clutch arrangement. | 03-20-2014 |
20140094334 | COAXIAL GEAR SYSTEM - A gear-train for transferring torque from multiple power sources includes first, second, and third input members, and an output member. The first and second input members rotate about a first axis, the third input member rotates about a second axis, and the output member rotates about a third axis. The gear-train additionally includes a first gear-set connected to the first input member. The gear-train also includes a second gear-set connected to the second input member. The gear-train additionally includes an intermediate shaft that rotates about a fourth axis. Furthermore, the gear-train includes a third gear-set connected to the intermediate shaft. In the third gear-set, first member is connected to the intermediate shaft and to the third input member, second and third members are set coaxially relative to the intermediate shaft and configured for asynchronous rotation with each other, and the third member is also connected to the output member. | 04-03-2014 |
20140094335 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 04-03-2014 |
20140100071 | VEHICLE DRIVE SYSTEM INCLUDING A TRANSMISSION - A vehicle drive system including a transmission has a gear set with first, second, third and fourth elements. The second element connects with an output shaft of the transmission. The system has a transmission housing and a first electric motor having an output shaft connecting with the first element for driving the first element in response to a first electrical signal. A second electric motor has an output shaft connecting with the fourth element for driving the fourth element in response to a second electrical signal. The motors operate together to cause transmission ratios to change steplessly through an infinite number of ratios between maximum and minimum values. | 04-10-2014 |
20140106920 | HYBRID PROPULSION SYSTEMS FOR VEHICLES AND TRANSMISSIONS FOR PROPULSION SYSTEMS - Hybrid propulsion systems are provided which include an internal combustion engine, an electric machine, a primary shaft adapted to receive the rotary motion from the electric machine, a secondary shaft, a differential for transmitting the rotary motion to the wheels of an axle of the vehicle, a first transmission mechanism interposed between the primary shaft and the secondary shaft for transmitting the rotary motion between the primary shaft and the secondary shaft, a second transmission mechanism interposed between the secondary shaft and the differential for transmitting the rotary motion between the secondary shaft and the differential, and an overrunning clutch associated to the secondary shaft, whereby the secondary shaft receives the rotary motion from the internal combustion engine via the overrunning clutch. | 04-17-2014 |
20140121053 | HYBRID TRANSMISSION - A transmission includes an input member, an output member, and a stationary member. First and second planetary gearsets each have respective first, second, and third members. A first motor/generator has a first rotor operatively connected to one of the members of the planetary gearsets for unitary rotation therewith. A second motor/generator has a second rotor operatively connected to one of the members of the planetary gearsets for unitary rotation therewith. The transmission also includes first, second, and third torque transmitting devices operative to selectively connect members of the planetary gearsets with the input member, the stationary member, or with other members of the planetary gearsets to provide two electric vehicle modes, two electrically variable modes, and a fixed gear ratio mode of transmission operation. | 05-01-2014 |
20140121054 | POWERTRAIN FOR A VEHICLE AND METHOD FOR CONTROLLING A POWERTRAIN - A propulsion device ( | 05-01-2014 |
20140128192 | MOTOR DRIVING FORCE TRANSMISSION SYSTEM - A motor driving force transmission system includes an electric motor that generates motor torque for actuating a differential mechanism portion and outputs the motor torque, and that has a motor shaft with eccentric portions, and a bearing mechanism including a ball bearing interposed between one-side axial end portion of a housing and one-side axial end portion of a differential case, a ball bearing interposed between the other-side axial end portion of the differential case and one-side axial end portion of the motor shaft, and a ball bearing interposed between the other-side axial end portion of the housing and the other-side axial end portion of the motor shaft. An axial load is applied to the ball bearings of the bearing mechanism by a spring. | 05-08-2014 |
20140128193 | METHOD AND DEVICE FOR REGENERATIVE BRAKING FOR A VEHICLE - A regenerative brake device for a vehicle includes an output shaft ( | 05-08-2014 |
20140135162 | AUTOMATED ELECTRIC MANUAL TRANSMISSION - An automated electric manual transmission (EMT) has an input member, an output member, and at least one shaft. The input member and the at least one shaft are rotatable about a first axis of rotation. A countershaft is substantially parallel with the at least one shaft and is rotatable about a second axis of rotation. The output member is operatively connected to rotate with the countershaft. A transmission controller controls engagement of a plurality of torque-transmitting mechanisms to selectively establish different gear ratios from the at least one shaft to the transfer shaft through pairs of intermeshing gears. An electric motor and a planetary gear set are concentric with the first axis of rotation. The electric motor can provide torque to a member of the planetary gear set. | 05-15-2014 |
20140141915 | METHOD FOR PROVIDING A CONTROLLED NEUTRAL IN LIEU OF A CONVENTIONAL NEUTRAL IN AN ELECTRO-MECHANICAL TRANSMISSION - A powertrain system includes an internal combustion engine, a first electric machine and an electro-mechanical transmission operative to transmit torque to a driveline. A method for controlling the powertrain system in the presence of a controlled neutral operation of the electro-mechanical transmission being selected includes monitoring vehicle speed, and only when the monitored vehicle speed is indicative of a low-speed zone restricting a transition from a current engine operating state. | 05-22-2014 |
20140148290 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid vehicle may include an input shaft, and an output shaft. A first planetary gear set includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the input shaft and a second motor/generator. A second planetary gear set includes a fourth rotation element connected to the third rotation element and the second motor/generator, a fifth rotation element connected to the second rotation element through an externally-meshing gear and, and a sixth rotation element connected to a transmission housing. A direct-coupling device connects two rotation elements among the fourth, fifth, and sixth rotation elements of the second planetary gear set, and transfer gears form the externally-meshing gears. Friction elements connect a selected rotation element to a selected transfer gear or a selected rotation element to the transmission housing. | 05-29-2014 |
20140148291 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include a first shaft and a second shaft. A first planetary gear set includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the first shaft. A second planetary gear set includes a fourth rotation element connected to the third rotation element and a second motor/generator, a fifth rotation element connected to the second rotation element and an output gear, and a sixth rotation element connected to a transmission housing. A direct-coupling device connects two rotation elements among the fourth, fifth, and sixth rotation elements of the second planetary gear set. Transfer gears form the externally-meshing gears, and friction elements connect a selected rotation element to a selected transfer gear or to the transmission housing. | 05-29-2014 |
20140148292 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input and output shaft. A first planetary gear set disposed on the input shaft includes a first rotation element connected to a first motor/generator, a second rotation element operated as an output element, and a third rotation element connected to the input shaft. A second planetary gear set includes a fourth rotation element connected to a second motor/generator, a fifth rotation element connected to the second rotation element and the output shaft, and a sixth rotation element connected to the first rotation element. A direct-coupling device connects two rotation elements of the second planetary gear set, and transfer gears connect two rotation elements of the first planetary gear set with the two rotation elements of the second planetary gear set. Friction elements connect a selected rotation element to a transfer gear or to the transmission housing. | 05-29-2014 |
20140155211 | POWERTRAIN FOR A HYBRID ELECTRIC VEHICLE - A vehicle powertrain including a planetary transmission including an output, a first member connected an a first power source and a second member connected to a second power source, a brake for alternately releasing the output and holding the output against rotation, a motor including a second output driveably connected to vehicle wheels, and a clutch for opening and closing a drive connection between the output and the vehicle wheels. | 06-05-2014 |
20140162823 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft receiving engine torque, a first planetary gear set disposed on the input shaft, and including a first sun gear selectively connected to a transmission housing, a first ring gear, and a first planet carrier directly connected to the input shaft, a second planetary gear set disposed on the input shaft, and including a second sun gear, a second ring gear directly connected to the first ring gear and directly connected to an output gear, and a second planet carrier selectively connected to the first planet carrier and selectively connected to the transmission housing, a first motor/generator directly connected to the first sun gear, and a second motor/generator directly connected to the second sun gear. | 06-12-2014 |
20140162824 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system may include: an input shaft receiving engine torque; a first planetary gear set disposed on the input shaft and including a first sun gear selectively connected to a transmission housing, a first ring gear directly connected to the input shaft, and a first planet carrier; a second planetary gear set disposed on the input shaft and including a second sun gear, a second ring gear selectively connected to the first ring gear and selectively connected to the transmission housing, and a second planet carrier directly connected to the first planet carrier and directly connected to an output gear; a first motor/generator directly connected to the first sun gear; and a second motor/generator directly connected to the second sun gear. | 06-12-2014 |
20140171247 | MULTI-MODE HYBRID VARIABLE DRIVE UNIT - A hybrid transmission providing multiple modes of operation in a compact package. The hybrid transmission utilizes compact electric motors and features simple construction in comparison to conventional hybrid transmissions. | 06-19-2014 |
20140171248 | GEAR-CHANGE DEVICE FOR A MOTOR VEHICLE - A gear-change device includes a primary shaft, a secondary shaft, and a third shaft, which bears both a gear of the reverse and an output pinion meshing with a gear of a differential. The third shaft is connected via a gear reducer to the shaft of an electrical machine, the casing of which is rigidly connected to the easing of the gear-change device. | 06-19-2014 |
20140194238 | HYBRID VEHICLE DRIVING APPARATUS - A hybrid vehicle driving apparatus includes: a first planetary gear mechanism; a second planetary gear mechanism; a clutch that connects and disconnects a carrier of the first planetary gear mechanism to and from a carrier of the second planetary gear mechanism; and a brake that regulates the rotation of the carrier of the second planetary gear mechanism by engaging, in which a sun gear, the carrier, and a ring gear of the first planetary gear mechanism are respectively connected to a first rotating electric machine, an engine, and a driving wheel, and a sun gear and a ring gear of the second planetary gear mechanism are respectively connected to a second rotating electric machine and the driving wheel. | 07-10-2014 |
20140194239 | HYBRID VEHICLE DRIVING DEVICE - A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, a clutch configured to connect and disconnect a carrier of the first planetary gear mechanism to and from a ring gear of the second planetary gear mechanism, and a brake configured to regulate a rotation of the ring gear of the second planetary gear mechanism by being engaged. The second planetary gear mechanism is of a double pinion type, a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier thereof is connected to an engine, and a ring gear thereof is connected to a driving wheel, respectively, and a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, and a carrier thereof is connected to the driving wheel, respectively. | 07-10-2014 |
20140213402 | AUTOMATIC TRANSMISSION WITH INTEGRATED ENGINE STARTER, REMOTE MOUNTED PUMP AND DRIVE SYSTEM - An automatic transmission includes a plurality of planetary gear assemblies, an integrated starter, a remote mounted hydraulic pump and a common drive system. An input shaft of the automatic transmission is coupled to and drives a ring (spur) gear. In one portion of the automatic transmission, a starter motor is disposed and includes gear teeth on an output shaft that engage a pinion gear that, in turn, engages the input shaft ring gear. In another portion of the automatic transmission, preferably the lower portion, an off axis hydraulic pump includes a drive shaft and driven gear which also engages the input shaft ring gear. | 07-31-2014 |
20140221142 | TRANSMISSION-INTEGRATED ELECTROMECHANICAL DEVICE - A transmission assembly for use in a motor vehicle is provided. The transmission assembly has a case for housing components of the transmission and an electromechanical device operable to convert mechanical energy to electrical energy. The electromechanical device is disposed within the transmission case. The case may have a main housing portion and a bell housing portion, with the electromechanical device housed in the main housing portion, in some variations. A transmission shaft may be rotatably supported within the case and configured to be connected to an engine of the motor vehicle. A connecting device may continuously interconnect the electromechanical device with the transmission shaft. | 08-07-2014 |
20140221143 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES - A hybrid powertrain unit includes an internal-combustion engine, and a gearbox device with a primary shaft that can be connected to the shaft of the internal-combustion engine via a clutch device. The gearbox device includes a secondary shaft with an output pinion meshing with a first crown wheel of a differential, the casing of which is rigidly connected to the casing of the gearbox device. An electrical machine is designed to function as electric motor and as electric generator, having a shaft connected by a transmission to a second crown wheel of the differential. An engagement device driven via an electronic control actuator is set between the shaft of the electrical machine and the second crown wheel. The electrical machine can be set coaxially to the output shafts of the differential or parallel thereto. Alternatively, the shaft of the electrical machine may be connected to the shaft of the internal-combustion engine by means of a belt transmission and engagement device. | 08-07-2014 |
20140243136 | DRIVE APPARATUS FOR AN ELECTRIC AUTOMOBILE - A drive apparatus for an electric automobile in which a planetary gear transmission | 08-28-2014 |
20140248984 | Electrically Variable Transmission For A Hybrid Vehicle Using Flywheel Kinetic Energy Recovery - An electrically variable transmission for a hybrid vehicle includes a pair of drive wheels each driven by a final drive gear/differential mechanism. A planetary differential gear set including a plurality of components provides drive torque to the final drive gear/differential mechanism. A first motor generator is drivingly connected to a first component of the plurality of components of the planetary differential gear set. A second motor generator is drivingly connected to a second component of the plurality of components of the planetary differential gear set. A flywheel is drivingly connected to the planetary differential gear set by a reduction gear. A first brake is connected to one of the plurality of components of the planetary differential gear set. | 09-04-2014 |
20140248985 | HYBRID VEHICLE WITH FLYWHEEL AND ELECTRIC KINETIC ENERGY SYSTEM - A hybrid vehicle includes an engine drivingly connected to a first pair of drive wheels by a transmission. A first motor generator is coupled to the engine to provide drive torque to the transmission for driving the first pair of drive wheels. A second motor generator is drivingly connected to a flywheel by a planetary gear system. The planetary gear system is connected to a second pair of drive wheels. | 09-04-2014 |
20140256490 | POWER PLANT - A power plant capable of suppressing loss, and attaining downsizing and enhancement of mountability of the power plant. In the power plant T, the rotational speeds of third to first sun gears S | 09-11-2014 |
20140274523 | SPLIT AXIS TRANSMISSION HYBRID SYSTEM ARCHITECTURE - A split-axis transmission hybrid system may include two planetary gear sets to provide two parallel torque paths from an input axis to an output axis. A secondary power source may be coupled to either the input axis or the output axis to provide torque to the system. Thus, the split-axis transmission hybrid system may provide the ratio preselection capability and the low power losses of a dual-clutch transmission and the ratio-changing control and smoothness of a traditional powershift automatic transmission, while also providing the improved efficiency and enhanced drivability of a hybrid power source arrangement. | 09-18-2014 |
20140296013 | HYBRID VEHICLE DRIVING DEVICE - A hybrid vehicle driving device includes a first planetary gear mechanism, a second planetary gear mechanism, and a clutch, wherein a sun gear of the first planetary gear mechanism is connected to a first electric rotating machine, a carrier of the first planetary gear mechanism is connected to a driving wheel, a ring gear of the first planetary gear mechanism is connected to an engine, a sun gear of the second planetary gear mechanism is connected to a second electric rotating machine, the carrier of the second planetary gear mechanism is connected to the ring gear of the first planetary gear mechanism and the engine through the clutch, and a ring gear of the second planetary gear mechanism is connected to the driving wheel. | 10-02-2014 |
20140342865 | DRIVE CONTROL DEVICE FOR HYBRID VEHICLE - A drive control device for a hybrid vehicle is provided with: a first differential mechanism having a first rotary element connected to a first electric motor, a second rotary element connected to an engine, and a third rotary element connected to an output rotary member; a second differential mechanism having a first rotary element connected to a second electric motor, a second rotary element, and a third rotary element, one of the second rotary element and the third rotary element being connected to the third rotary element of said first differential mechanism; a clutch configured to selectively couple the second rotary element of said first differential mechanism, and the other of the second and third rotary elements of said second differential mechanism which is not connected to the third rotary element of said first differential mechanism, to each other; and a brake configured to selectively couple said other of the second and third rotary elements of said second differential mechanism which is not connected to the third rotary element of said first differential mechanism, to a stationary member, the drive control device comprises: a resonance point change control portion configured to switch an operating state of at least one of said clutch and said brake when a resonance of a power transmitting system in said hybrid vehicle has been detected or forecasted. | 11-20-2014 |
20140349798 | POWER TRANSMISSION DEVICE FOR HYBRID VEHICLE - A power transmission device for a hybrid vehicle includes a series-parallel type power transmission path capable of varying an engine output for each driving mode, using a Ravigneaux gear train and two or more clutches, to improve the fuel efficiency of the hybrid vehicle. The power transmission device includes two or more kinds of engine fixing gear stages capable of distributing the output of the engine to a driving wheel, which are implemented using the Ravigneaux gear train, in which a single pinion planetary gear is integrally configured with a double pinion planetary gear including a carrier obtained by combining two pinion gears with the two or more clutches. | 11-27-2014 |
20140349799 | GEARBOX AND DRIVE TRAIN WITH A GEARBOX - A transmission for a motor vehicle, having a transmission input shaft, to which a drive assembly can be coupled, having a transmission output shaft, to which an axle drive can be coupled, having numerous planetary gear sets disposed coaxially behind one another, and having numerous form-locking shift elements, wherein a first element of a first planetary gear set is permanently coupled to a first element of a second planetary gear set via a shiftable intermediate shaft between the transmission input shaft and the transmission output shaft, wherein an electric machine is permanently coupled to this intermediate shaft, wherein a second element of the second planetary gear set is permanently coupled to the transmission output shaft, wherein, in a first shifting setting of a first form-locking shift element, the transmission input shaft is coupled directly to the transmission output shaft, while in a second shifting setting of the first form-locking shift element, the transmission input shaft is coupled to a second element of the first planetary gear set, and wherein, in a first shifting setting of a second form-locking shift element, a third element of the second planetary gear set is connected firmly to the housing, while, in a second shifting setting of the second form-locking shift element, the third element of the second planetary gear set is coupled to the second element or to the first element of the second planetary gear set, and accordingly, the second planetary gear set is bypassed in a block cycle. | 11-27-2014 |
20140357441 | POWERSPLIT POWERTRAIN FOR A HYBRID ELECTRIC VEHICLE - A powertrain includes a planetary gearset including an input connected to a shaft driveably connected to an engine, a second input driveably connected to an electric machine, and an output driveably connected to a countershaft, a clutch for releaseably connecting the countershaft and the input shaft through a first pair of meshing gears, and a brake for releaseably holding the input shaft and the input against rotation. | 12-04-2014 |
20140357442 | POWER TRANSMISSION APPARATUS FOR HYBRID VEHICLE - A power transmission apparatus | 12-04-2014 |
20140371016 | DRIVE TRAIN OF A SOLELY ELECTRICALLY DRIVEN MOTOR VEHICLE HAVING TWO ELECTRIC MOTORS - A drive train ( | 12-18-2014 |
20140371017 | HYBRID VEHICLE DRIVE DEVICE - A hybrid vehicle drive unit including a first planetary gear mechanism; a second planetary gear mechanism; a clutch; and a brake, wherein a first sun gear that is a sun gear of the first planetary gear mechanism is connected to a first rotating electric machine, a first ring gear that is a ring gear of the first planetary gear mechanism is connected to an engine, and a first carrier that is a carrier of the first planetary gear mechanism is connected to a second rotating element of the second planetary gear mechanism and to driving wheels, a first rotating element of the second planetary gear mechanism is connected to the engine and the first ring gear via the clutch, and a third rotating element is connected to a second rotating electric machine, the first rotating element is a sun gear of the second planetary gear mechanism, and the brake regulates a rotation of the first rotating element. | 12-18-2014 |
20140378257 | VARIABLE SPEED DRIVE SYSTEM FOR DRIVEN EQUIPMENT - A variable speed drive system for a driven equipment includes a fixed speed prime mover, a differential, and a variable speed prime mover. The differential includes a power output component, a first input component, and a second input component. The power output component is coupled to the driven equipment. The first input component is coupled to the fixed speed prime mover and disposed in rotational engagement with the power output component. The second input component is disposed in rotational engagement with the first input component and the power output component. The variable speed prime mover is coupled to the second input component. The variable speed prime mover is configured to modulate a rotational speed of the power output component by modulating a speed of the second input component. | 12-25-2014 |
20140378258 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include an input shaft connected to an engine, first and second motors/generators disposed on a transmission housing, a planetary gear set disposed on the input shaft and having three rotation elements, of which one rotation element is connected to the transmission housing, another rotation element is connected to the input shaft, and the other rotation element is connected to the first motor/generator and operated as an output element, a first output gear disposed on the input shaft without rotational interference therebetween and connected to the second motor/generator, a second output gear disposed on the input shaft without rotational interference therebetween, and a first clutch selectively connecting the second output gear to the input shaft. | 12-25-2014 |
20140378259 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include: an input shaft connected to an engine; first and second motor/generators disposed on a transmission housing; a first planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the first motor/generator, and the other rotation element is connected to the input shaft; a second planetary gear set disposed on the input shaft and having three rotation elements, wherein one rotation element is connected to the transmission housing, another rotation element is connected to the second motor/generator, and the other rotation element is operated as an output element; an output gear connected to the other rotation element of the second planetary gear set; and a first clutch selectively connecting the input shaft to the output gear. | 12-25-2014 |
20150018152 | HYBRID VEHICLE DRIVE CONTROL DEVICE - A drive control device for a hybrid vehicle is provided with a differential device including four rotary elements; and an engine, first and second electric motors and an output rotary member which are respectively connected to said four rotary elements. One of said four rotary elements is constituted by a rotary component of a first differential mechanism and a rotary component of a second differential mechanism selectively connected through a clutch, and one of the rotary components is selectively fixed to a stationary member through a brake. Said drive control device reengages the brake after an engagement capacity of the brake is temporarily reduced at the time of accelerating operation during decelerating running in a motor drive mode with the brake placed in an engaged state. | 01-15-2015 |
20150024893 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft receiving torque of an engine, an output gear, a first planetary gear set disposed on the input shaft and including a first rotation element connected to a first motor/generator, a second rotation element, and a third rotation element connected to the input shaft, a second planetary gear set disposed on the input shaft and including a fourth rotation element connected to a second motor/generator, a fifth rotation element directly connected to the second rotation element and to the output gear, and a sixth rotation element selectively connected to a transmission housing and selectively connected to the first rotation element, and frictional elements selectively connecting two rotation elements of the second planetary gear set, selectively connecting the first rotation element to the sixth rotation element, or selectively connecting the sixth rotation element to the transmission housing. | 01-22-2015 |
20150024894 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, an output shaft, a first planetary gear set including a first rotation element directly connected to a first motor/generator, a second rotation element connected to the output shaft through an externally-meshed gear and a third rotation element directly connected to the input shaft, a second planetary gear set including a fourth rotation element directly connected to a second motor/generator, a fifth rotation element connected to the output shaft through an externally-meshed gear and a sixth rotation element selectively connected to a transmission housing and selectively connected to the first rotation element, transfer gears forming the externally-meshed gears, and frictional elements selectively connecting two rotation elements of the second planetary gear set, selectively connecting the first rotation element to the sixth rotation element, or selectively connecting the sixth rotation element to the transmission housing. | 01-22-2015 |
20150024895 | DRIVING DEVICE FOR HYBRID VEHICLE - A driving device for hybrid vehicle provided with an engine, first and second electrical machines, a first and second differential mechanisms, and a switching device in which the first and second differential mechanisms are connected to each other through output rotational elements. The engine and the first and second rotating electrical machines are connected to different rotational elements out of rotational elements of the first and second differential mechanisms. The switching device switches between an independent mode and a four-element mode. In the four element mode, rotational elements connected to the engine, first and second rotating electrical machines, and the output rotational elements differentially rotate, and in an alignment chart in the four-element mode, any one of rotational elements connected to the first and second rotating electrical machines is located between a rotational element connected to the engine and the output rotational elements. | 01-22-2015 |
20150031487 | VEHICLE DRIVE DEVICE - A vehicle drive device having a control device making another first planetary gear device constituent member and a second planetary gear device constituent member non-rotatable by a brake to perform electric motor running for running with power of a second electric motor while an engine is put into a non-drive state, when the engine is started during the electric motor running the control device causing a first electric motor to rotate the engine while the other first planetary gear device constituent member and the one second planetary gear device constituent member are kept non-rotatable by the brake, and when the brake is released after start of the engine, the control device controlling the first electric motor before release of the brake so a torque applied to the brake due to power of the engine reaches a magnitude balancing with a torque applied to the brake due to a running load. | 01-29-2015 |
20150031488 | VEHICLE DRIVE DEVICE - A vehicle drive device comprising: an engine, a first electric motor, and a second electric motor disposed on a first axis; a first axis output portion outputting power of the first axis; a second axis input portion that is an input portion of a second axis to which power from the first axis output portion is input, the second axis being parallel to the first axis; a second axis output portion outputting power of the second axis; a transmission changing speed between the second axis input portion and the second axis output portion, the transmission being disposed on the second axis; and a third axis input portion that is an input portion of a third axis to which power from the second axis output portion is input, the third axis being parallel to the first axis, the first axis output portion, the second axis input portion, the second axis output portion, and the third axis input portion all being disposed between the first electric motor and the second electric motor in a direction of the first axis, the transmission including at least a first planetary gear device and a second planetary gear device, the second axis input portion and the second axis output portion being disposed between the first planetary gear device and the second planetary gear device in a direction of the second axis. | 01-29-2015 |
20150051036 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include two shafts, two hollow shafts and two motor/generators. A first shaft connected to an engine. A first hollow shaft disposed without rotational interference with the first shaft, selectively connected to the first shaft, and provided with a first output gear. A second hollow shaft disposed without rotational interference with the first hollow shaft and provided with a second output gear. A second shaft disposed in parallel with the first shaft and operably connected to the first shaft and the first hollow shaft through a gear unit to selectively transmit torque of the first shaft to the first hollow shaft. Clutches may connect the first shaft and the second shaft selectively to the first hollow shaft. A first motor/generator operably connected to the second hollow shaft and a second motor/generator operably connected to the second shaft. | 02-19-2015 |
20150072819 | HYBRID VEHICLE DRIVING APPARATUS - Provided is a hybrid vehicle driving apparatus including: a power transmission mechanism which is connected to an engine and is able to output a rotation of the engine while changing the rotation speed; a differential mechanism which connects the power transmission mechanism and a drive wheel to each other; and a regulation device, wherein the differential mechanism includes a first rotation component which is connected to an output component of the power transmission mechanism, a second rotation component which is connected to a first rotating electric machine, and a third rotation component which is connected to a second rotating electric machine and the drive wheel, and wherein the regulation device switches between a state where a differential operation of the differential mechanism is regulated and a state where the differential operation of the differential mechanism is allowed. | 03-12-2015 |
20150072820 | Manipulatable Epicyclic Type Clutch Device Coupled with Hybrid Power Train - The present invention provides a controllable epicyclic type clutch device coupled with hybrid power train structured by using the controllable brake device to manipulate an epicyclic gear set (EG | 03-12-2015 |
20150080162 | TRANSAXLE DEVICE - A center distance D1 from a motor shaft connected to an electric motor and a generator shaft connected to a generator to a clutch shaft including a wet multiple disc clutch is set longer than a distance Dm from the axial center of the electric motor, that is, the axial center of the motor shaft to the outermost circumference of a housing, which houses the electric motor. | 03-19-2015 |
20150087458 | DRIVE CONTROL DEVICE FOR HYBRID VEHICLE - A drive control device for a hybrid vehicle is provided with a differential device including four rotary elements; and an engine, first and second electric motors and an output rotary member which are respectively connected to the four rotary elements. One of the four rotary elements is constituted by a rotary component of a first differential mechanism and a rotary component of a second differential mechanism selectively connected through a clutch, and one of the rotary components is selectively fixed to a stationary member through a brake. The hybrid vehicle is selectively placed in a plurality of drive modes according to respective combinations of engaged and released states of the clutch and the brake. The drive control device comprises: a resonance point change control portion configured to switch the clutch from a presently selected one of the engaged and released states to the other, irrespective of a presently established one of the drive modes of the hybrid vehicle, when the engine is operated in a loaded condition while a torque of the second electric motor falls within a predetermined narrow range including zero. The first differential mechanism is provided with a first rotary element connected to the first electric motor, a second rotary element connected to the engine, and a third rotary element connected to the output rotary member, while the second differential mechanism is provided with a first rotary element connected to the second electric motor, a second rotary element, and a third rotary element, one of the second and third rotary elements of the second differential mechanism being connected to the third rotary element of the first differential mechanism, and the clutch is configured to selectively connect the second rotary element of the first differential mechanism, and the other of the second and third rotary elements of the second differential mechanism which is not connected to the third rotary element of the first differential mechanism, to each other, while the brake is configured to selectively fix the other of the second and third rotary elements of the second differential mechanism which is not connected to the third rotary element of the first differential mechanism, to the stationary member. | 03-26-2015 |
20150105199 | HIGH INTEGRITY ROTARY ACTUATOR AND METHOD OF OPERATION - An actuator for an aircraft is provided. The actuator comprises a first motor, a second motor and an actuator output, which are interconnected by a gear assembly. The actuator output is driveable by the first motor independently of the second motor; the actuator output is driveable by the second motor independently of the first motor; and the actuator output is driveable by the first and second motors in combination. | 04-16-2015 |
20150105200 | ENHANCED ELECTRICALLY VARIABLE DRIVE UNIT - An electrically variable transmission includes an input member, first and second motor-generators and a gear reduction arrangement including at least a first gear coupled to at least one second gear. A first planetary gear set can include a first sun gear, a first ring gear and a first carrier rotatably supporting a plurality of pinion gears in meshing engagement with the first sun gear and ring gear. The first carrier can be non-rotatably coupled to the input member and the first ring gear can be non-rotatably coupled to the at least one second gear. The sun gear can be non-rotatably coupled to the first motor-generator and the first gear can be non-rotatably coupled to the second motor-generator. The torque transmitting device can be configured to selectively fix rotation of the input member in at least one of a first rotational direction and a second opposite rotational direction. | 04-16-2015 |
20150105201 | POWER TRANSMISSION SYSTEM FOR HYBRID VEHICLE - A power transmission system for a hybrid vehicle including an engine, a first planetary gearset and a second planetary gear set is provided. In particular, the first planetary gearset includes a plurality of first rotational elements, one of which is coupled with an output shaft of the engine and one of which is coupled with a first motor generator, and two of which are allowed to be directly selectively connected directly by a clutch. The second planetary gearset includes a plurality of second rotational elements, one of which is permanently coupled with one of the first rotational elements of the first planetary gearset, one of which is coupled with a second motor generator and one of which is connected directly with drive unit. | 04-16-2015 |
20150105202 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system for a hybrid vehicle according to an exemplary embodiment of includes an input shaft through which torque from an engine, which is a power source, is inputted, first and second motor/generators that have the functions of both of a motor and a generator, as individual power sources, a planetary gear set that may be disposed on a line from the input shaft and includes a first rotating element directly connected with the first motor/generator and selectively connected to a transmission housing, a second rotating element directly connected with the input shaft and selectively connected to the transmission housing, and a third rotating element operating as an output element and connected with the second motor/generator, an output shaft that transmits torque from the planetary gear set and the second motor/generator to driving wheels through a differential, and a friction member disposed on the selective connecting portion. | 04-16-2015 |
20150105203 | POWER TRANSMISSION APPARATUS FOR VEHICLE - A power transmission apparatus for a vehicle includes a first clutch and a second clutch, a first input shaft selectively connected with an engine through the first clutch and a second input shaft selectively connected with the engine through the second clutch, an electric supplement drive unit that is a motor generator performing functions of both of a motor and a generator and transmits a driving force to the second rotary shaft, a planetary gear set including first, second, and third rotating elements, in which the first rotating element is connected with the electric supplement drive unit through the second rotary shaft, the second rotating element is selectively connected with the engine through the first rotary shaft, and the third rotating element functions as a fixing element, and a shifting unit that shifts and outputs torque of the first input shaft of the input unit at several stages. | 04-16-2015 |
20150105204 | POWER TRANSMISSION APPARATUS FOR VEHICLE - A power transmission apparatus for a vehicle includes: a first clutch and a second clutch, a first input shaft receiving rotary power of the engine through the first clutch and having a plurality of input gears, a second input shaft receiving rotary power of the engine through the second clutch, a planetary gear set having first rotary element connected with the second input shaft, second rotary element connected with the first input shaft, and third rotary element being directly connected with a transmission housing, a first transmission outputting mechanism to output the rotary power transferred from the first input shaft and a second transmission outputting mechanism to output the rotary power transferred from the first input shaft, a motor/generator transferring the rotary power to the first and second transmission outputting mechanisms, and a final deceleration mechanism finally decelerating the rotary power transferred from the transmission outputting device. | 04-16-2015 |
20150105205 | DRIVE UNIT FOR VEHICLES - A downsized drive unit for vehicles having an SOWC is provided. A motor | 04-16-2015 |
20150111678 | SYNCHRONOUS SPEED DISCONNECT OF A GENERATOR FOR A HYBRID ELECTRIC VEHICLE - A drive system includes first and second power sources, a planetary gearset including an output, and first and second inputs driveably connected, respectively, to the first and second power sources, a pinion supported for rotation, and a synchronizer for alternately releasing a drive connection between the pinion and output and substantially synchronizing a speed of the pinion and a speed of the output before driveably connecting the pinion and the output. | 04-23-2015 |
20150119177 | HYBRID POWER TRAIN FOR VEHICLE - A hybrid power train for a vehicle may include a gear module having a plurality of shift stages of a synchromesh type on a first input shaft and an output shaft arranged in parallel, a second input shaft driven by a motor and disposed coaxially with the first input shaft, a clutch means for connecting or disconnecting the second input shaft and the first input shaft, and variable shift ratio providing means for transmitting the torque of the second input shaft to the output shaft through an external engaged-gear pair selectively in two different shift ratios. | 04-30-2015 |
20150119178 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an engine being a power source, a torque transmission device including four rotation shafts and a compound planetary gear set, the torque transmission device converting torque input from the engine, and outputting a converted torque, two supplemental power sources respectively connected to two rotation shafts among the four rotation shafts of the torque transmission device and supplying generated torque to the torque transmission device, two friction members selectively connecting two rotation shafts among the four rotation shafts of the torque transmission device to a transmission housing, an output device outputting torque transmitted from the torque transmission device, and a final reducing device decelerating torque transmitted from the output device and outputting the decelerated torque through a differential apparatus. | 04-30-2015 |
20150148166 | HYBRID POWER TRAIN FOR VEHICLE - A hybrid power train for a vehicle may include an input shaft, an engine side driving gear mounted at the input shaft, an output shaft, an engine side driven gear fixedly mounted at the output shaft and meshed with the engine side driving gear, a motor side driving gear and mounted to rotate by the motor, a motor side driven gear fixedly mounted at the output shaft and meshed with the motor side driving gear, an output gear rotatably mounted at the output shaft, a one way clutch mounted between the output gear and the output shaft, a clutch device mounted on the output shaft, and a planetary gear apparatus engaging between the output shaft and the output gear. | 05-28-2015 |
20150148167 | HYBRID TRANSMISSION FOR VEHICLE - A hybrid transmission of a vehicle may include a first input shaft receiving power from an engine through a first clutch, a second input shaft disposed substantially in parallel with the first input shaft and receiving power from the engine through a path different from the first input shaft, an output shaft disposed substantially in parallel with the first input shaft and the second input shaft, a common shift module including a plurality of shift gears and a plurality of synchronous apparatuses, a motor connected to the first input shaft, and first and second planetary gear apparatuses. | 05-28-2015 |
20150148168 | HYBRID POWER TRAIN FOR VEHICLES - A hybrid power train for vehicles, including a drive shaft rotated by engine power, an engine-side drive gear concentrically installed on the drive shaft so as to be rotated by drive shaft power, first and second power transmission control units configured to form different power transmission paths for transmitting power from the drive shaft to the engine-side drive gear, and to control respective power transmission states, an output shaft arranged in parallel to the drive shaft, an engine-side driven gear rotatably provided on the output shaft so as to mesh with the engine-side drive gear, a clutch unit for switching the operating state of the engine-side driven gear between a fixed state and a released state relative to the output shaft, a motor-side drive gear rotated by motor power, and a motor-side driven gear fixedly provided on the output shaft so as to mesh with the motor-side drive gear. | 05-28-2015 |
20150148169 | HYBRID POWER TRAIN FOR VEHICLES - A hybrid power train for a vehicle may include an input shaft, an engine-side drive gear provided on the input shaft, an output shaft, an engine-side driven gear rotatably provided on the output shaft and meshed with the engine-side drive gear, a motor-side drive gear rotated by a motor, a motor-side driven gear fixedly provided on the output shaft and meshed with the motor-side drive gear, an output gear rotatably provided on the output shaft, a one way clutch installed between the output gear and the output shaft, a clutch unit provided to switch an operating state of the output gear and to switch an operating state of the engine-side driven gear between a fixed state and a released state relative to the output shaft, and a planetary gear mechanism installed to couple the output shaft and the output gear to each other. | 05-28-2015 |
20150148170 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle which uses an engine and first and second motor/generators as power sources may include an input shaft receiving torque of the engine, an intermediate shaft parallel with and apart from the input shaft, an output shaft relatively rotatable with respect to the intermediate shaft, a first planetary gear set including a first rotation element, a second rotation element, and a third rotation element, a second planetary gear set including a fourth rotation element, a fifth rotation element, and a sixth rotation element, a first transfer gear connecting the second rotation element with the output shaft, a second transfer gear connecting the input shaft or the first rotation element with the sixth rotation element, and a first clutch selectively connecting two rotation elements among three rotation elements of the second planetary gear set. | 05-28-2015 |
20150148171 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input device including a first input shaft receiving torque of the engine and a second input shaft disposed without rotational interference with the first input shaft, a planetary gear set including a first rotation element directly connected to the second input shaft, a second rotation element directly connected to the first input shaft, and a third rotation element, a supplemental input device including a first intermediate shaft and a second intermediate shaft, a friction member selectively connecting the first intermediate shaft to a transmission housing, an output device operably connected to the input device and the supplemental input device and outputting torque transmitted from the input device or the supplemental input device, and a final reduction device decelerating torque transmitted from the output device and outputting the decelerated torque. | 05-28-2015 |
20150148172 | MULTI-MODE HYBRID VARIABLE DRIVE UNIT - A hybrid transmission providing multiple modes of operation in a compact arrangement is provided and includes first and second planetary gear sets and first and second electric machines. An electric machine shaft directly couples the first planetary gear set to the second planetary gear set and the second electric machine to the second planetary gear set. The second electric machine is selectively directly coupled to an output shaft via a first clutch mechanism, and indirectly coupled to the output shaft via the second planetary gear set and a drive shaft, which extends parallel to the electric machine shaft and external to the second electric machine. A second clutch mechanism selectively couples the first electric machine to a carrier of the second planetary gear set and a third clutch mechanism selectively couples a ring gear of the second planetary gear set to a hybrid drive unit housing. | 05-28-2015 |
20150292600 | MULTIMODE ELECTROMECHANICAL VARIABLE SPEED TRANSMISSION APPARATUS AND METHOD OF CONTROL - The current invention discloses a multi-mode electro-mechanical variable speed transmission. The transmission includes an input shaft, an output system, at least one planetary gear set having at least three branches each represents a co-axial rotating member, two electric machines along with the associated controllers for the electric machines, and at least a clutch. The first branch couples to the first electric machine with a constant speed ratio; the second branch couples to the output system with a constant speed ratio; and the third branch couples to the input shaft with a constant speed ratio; the second electric machine selectively couples to two different the branches of the planetary gear set with two different constant speed ratios, respectively. Said multi-mode electro-mechanical variable speed transmission is capable of providing multiple operation modes including two electric drive modes and two power split operation modes. Different operation modes cover different speed ratio regimes and are suitable for different power requirements. At the mode switching point, the corresponding clutch or clutches is automatically synchronized. This avoids shock loads during operation mode switching. The transmission is capable of providing operations with at least a fixed output to input speed ratio. | 10-15-2015 |
20150298536 | DRIVE DEVICE FOR A CHANGE-SPEED TRANSMISSION - A drive device for a change-speed transmission for motor vehicles, has at least one transmission input shaft, at least one axially parallel output shaft, having a plurality of gearwheel sets which are arranged on the shafts with fixed gearwheels and idler gears which can be switched via synchronizer clutches in order to form forward gears, and having at least one separating clutch. A planetary transmission which can be switched over into two transmission stages is connected upstream of the gearwheel sets of the forward gears, which planetary transmission has a driven input element, an output element which outputs to the input shaft, and a transmission element which can be braked or coupled in order to switch over the transmission stages, wherein the transmission element can be coupled to an electric machine, by means of which the transmission element can be fixed or can be driven in both rotational directions. | 10-22-2015 |
20150300461 | ELECTRO-MECHANICAL DRIVE SYSTEM - An electro mechanical-drive system includes a main shaft, a plurality of ball bearings disposed around the main shaft, and a plurality of roller bearing disposed around the main shaft. At least one of the ball bearings is aligned with at least one of the roller bearings along an axis perpendicular to the main shaft. The ball and roller bearings may support other components of the electro-mechanical drive system and may be arranged in a nested or staggered configuration. | 10-22-2015 |
20150321545 | Powertrain for Hybrid Vehicle - A hybrid vehicle powertrain may include input shafts, clutches, output shafts, a transmission path selector, a planetary gear unit, and a gear stage forming mechanism. The transmission path selector may bring engagement of a first input shaft with second or third input shaft. The planetary gear unit may have three rotary elements, with motor power or engine power being input via a first or second rotary element and being output with any one of two transmission gear ratios under the control of first or third rotary element in response to engagement of first and second engaging units. The gear stage forming mechanism may be formed by engagement of gear pairs having different transmission gear ratios with second and third input shafts and a first output shaft, and function to transmit the power from the second or third input shaft to the first output shaft while changing a speed by selecting a gear pair in accordance with a vehicle running speed using a gear pair selector. | 11-12-2015 |
20150321662 | Powertrain for Hybrid Vehicle - A hybrid vehicle powertrain may include input shafts, clutches, output shafts, a transmission path selector, a planetary gear unit, and a gear stage forming mechanism. The transmission path selector may bring engagement of a first input shaft with second or third input shaft. The planetary gear unit may have three rotary elements, with motor power or engine power being input via a second rotary element, and being output with two transmission gear ratios under the control of a first rotary element in response to engagement of an engaging unit. The gear stage forming mechanism may be formed by engagement of gear pairs having different transmission gear ratios with second and third input shafts and a first output shaft, and function to transmit the power from the second or third input shaft to the first output shaft while changing a speed by selecting a gear pair in accordance with a vehicle running speed using a gear pair selector. | 11-12-2015 |
20150328971 | Hybrid Power Integrated Transmission System and Method Thereof - A hybrid power transmission integrated system includes a first planetary gear train, a second planetary gear train, a first transmission-connecting set and a second transmission-connecting set. A control method includes: arranging the first transmission-connecting set to provide a first power input end; arranging the second transmission-connecting set to provide a second power input end, a first power output end and a free transmission end; connecting the first and second transmission-connecting sets to the first and second planetary gear trains; controlling the free transmission end performed as a second power output end or a third power input end such that powers are converted via the second power output end and are stored; supplying the stored power to the hybrid power transmission integrated system via the second or third power input end. | 11-19-2015 |
20150328975 | SINGLE-INPUT AND SINGLE-OUTPUT HYBRID SYSTEM - A hybrid assembly having a single input and a single output. The hybrid assembly is compactly packaged and achieves a wide range of gear ratios. The hybrid assembly may be used in a vehicle power train with or without an additional transmission. | 11-19-2015 |
20150330295 | Planetary Gear Set To Provide Speed Control For Belt-Driven Engine Accessory - A method of controlling the operating speed of an engine accessory driven by a belt connected to an engine crankshaft. A planetary gear set is interposed between the belt and the accessory, the planetary gear set having a planet gear carrier, at least one planet gear, a sun gear, and a ring gear. The sun gear is connected to an input mechanism of the accessory. The planet gear carrier is connected to the belt, via a pulley. The ring gear is connected to a generator. An excitation current is applied to the generator, which loads and slows the ring gear. This excitation current can be varied to provide a desired operating speed of the accessory. | 11-19-2015 |
20150330481 | Planetary Gear System for a Hybrid Drive of a Motor Vehicle - A planetary transmission for a hybrid drive of a motor vehicle, featuring three coupled planetary gear sets (RS | 11-19-2015 |
20150336453 | Motor Vehicle - A motor vehicle, includes a drive motor for driving the motor vehicle, at least one additional motor and at least one differential for distributing a torque generated by the drive motor and transmitted by a drive shaft to a driven differential element of the differential to two output shafts. The motor vehicle includes a coupling device which can be controlled by a control device, and in a first coupling state directly or indirectly couples the additional motor with an output shaft, thereby rendering the distribution of the drive torque to the output shafts dependent on an additional torque exerted by the additional motor, and in a second coupling state directly or indirectly couples the additional motor with the driven differential element. | 11-26-2015 |
20150336573 | HYBRID POWERTRAIN AND MODULAR REAR DRIVE UNIT FOR SAME - A powertrain includes an engine that has a crankshaft. A first motor-generator is drivingly connected to the crankshaft via an endless rotatable device. The powertrain includes a transmission that has a transmission input member driven by the crankshaft and a transmission output member. A front differential is operatively connected with front half shafts. A transfer case is configured to distribute torque of the transmission output member to the front differential and to a driveshaft. A rear differential is configured to transfer torque from the driveshaft to rear half shafts. A second motor-generator is drivingly connected to the rear differential. A gearing arrangement is configured to multiply torque from the second motor-generator to the rear half shafts. A controller controls the second motor-generator to function as a motor that provides torque to the rear wheels through the rear differential. A modular rear drive unit operatively connects to the vehicle body. | 11-26-2015 |
20150337926 | MULTI-MODE MODULAR ELECTRICALLY VARIABLE TRANSMISSION - A modular electrically variable transmission includes at least one of a sun-shared module and a sun and ring-shared module assembled to form a two-module electrically variable transmission having a shiftable motor speed reducer subassembly and an electrically variable transmission subassembly. The sun-shared module includes a first motor-generator, an input, and primary and secondary planetary gear sets each having respective primary and secondary ring gears, carriers and associated pinion gears. The pinion gears are in meshing engagement with a single first shared sun gear that is non-rotatably coupled to the first motor-generator. The sun and ring-shared module includes a second motor-generator, a second input, a second shared sun gear and a shared ring gear, and primary and second secondary planetary gear sets. The secondary planetary gear set includes a secondary carrier supporting outer and inner pinion gears. The second shared sun gear is non-rotatably coupled to the second motor-generator. | 11-26-2015 |
20150337937 | TORQUE VECTORING HYBRID TRANSAXLE - A transaxle for a vehicle includes an input driven shaft that extends along a drive axis, between a first end and a second end. The input driven shaft is rotatable about the drive axis. A first planetary gear train is coupled to the first end of the input driven shaft, and a first motor is coupled to the first planetary gear train. A second planetary gear train is coupled to the second end of the input driven shaft, and a second motor is coupled to the second planetary gear train. The first motor and the second motor provide torque to the first planetary gear train and the second planetary gear train independently of each other to provide a differential functionality and allow torque vectoring between drive wheels. | 11-26-2015 |
20150354671 | HYBRID TRANSMISSION ARRANGEMENT HAVING A MOTOR DAMPER - An electric motor damping module includes an electric motor, a motor damper continuously interconnected with the electric motor, and an input member continuously interconnected with the motor damper. A transmission includes these elements, plus an output member, first, second, and third planetary gear sets each having first, second and third members, a first interconnecting member continuously interconnecting the third member of the first planetary gear set with the second member of the second planetary gear set, a second interconnecting member continuously interconnecting the second member of the first planetary gear set and the output member with the third member of the third planetary gear set, and a third interconnecting member continuously interconnecting the third member of the second planetary gear set with the second member of the third planetary gear set. The transmission also includes six torque transmitting mechanisms and a hydraulic pump. A sealing assembly is also provided. | 12-10-2015 |
20150360554 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES WITH A BELT TRANSMISSION DEVICE BETWEEN ELECTRIC MACHINE AND DIFFERENTIAL - A hybrid powertrain unit comprises an engine and a gearbox device with a primary shaft that can be connected to a shaft of the engine via a clutch. The gearbox device comprises a secondary shaft with an output pinion meshing with a first crown wheel of a differential, the casing of which is rigidly connected to a casing of the gearbox device. An electric machine of the unit is configured to function as electric motor and an electric generator, having a shaft connected by a transmission to a second crown wheel of the differential. In the transmission, which is arranged between the electric machine shaft and the second crown wheel is an engagement device that can be driven via an actuator. The electric machine shaft is connected to the engine shaft on a side opposite of the gearbox device. The transmission includes a gear-reduction jump constituted by a belt transmission. | 12-17-2015 |
20150360555 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES WITH ENGAGEMENT DEVICES ON OPPOSITE SIDES OF THE ELECTRIC MACHINE - A hybrid powertrain unit comprises an engine and a gearbox with a primary shaft connectable to an engine shaft via a clutch and a secondary shaft with an output pinion meshing with a first differential crown wheel. An electric machine is configured to function as an electric motor and generator, having a shaft connected by a transmission to a second differential crown wheel. The transmission, arranged between the electric machine shaft and the second crown wheel includes a first engagement device. The electric machine shaft is connected to the engine shaft by a belt transmission including a belt engaged on a first pulley connected to the electric machine shaft and a second pulley connected to the engine shaft. Between the electric machine shaft and said first pulley is a second engagement device. The engagement devices are arranged coaxially with the electric machine shaft on opposite sides of the electric machine. | 12-17-2015 |
20150360556 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES WITH A DEVICE FOR TRANSMISSION TO A FURTHER AXLE OF THE MOTOR VEHICLE - A hybrid powertrain unit comprises an engine, and a gearbox device with a primary shaft connectable to an engine shaft via a clutch. The gearbox device comprises a secondary shaft with an output pinion meshing with a first crown wheel of a differential, the casing of which is rigidly connected to the casing of the gearbox device. The unit comprises an electric machine configured to function as an electric motor and an electric generator, having a shaft connected by a transmission to a second crown wheel of the differential. In the transmission, arranged between the electric machine shaft and the second crown wheel is an engagement device that can be driven via an actuator. The electric machine shaft is connected to the engine shaft, on a side opposite to the gearbox device. The transmission includes a gear for driving a transmission shaft connected to a further axle of the vehicle. | 12-17-2015 |
20150360557 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES PROVIDED WITH AUXILIARY DEVICES - A hybrid powertrain unit comprises an internal combustion engine, and a gearbox device with a primary shaft connectable to the a shaft of the engine via a clutch. The gearbox device comprises a secondary shaft with an output pinion meshing with a first crown wheel of a differential, the casing of which is rigidly connected to a casing of the gearbox device. An electric machine is configured to function as an electric motor and an electric generator, having a shaft connected by a transmission to a second crown wheel of the differential. In the transmission, arranged between the electric machine shaft and the second crown wheel of is an engagement device that can be actuator driven. The electric machine shaft is connected to the engine shaft, on a side opposite to the gearbox device by a belt transmission that controls vehicle auxiliary devices, which are mounted coaxially with respect to the electric machine. | 12-17-2015 |
20150369343 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle includes an input shaft a first planetary gear set disposed on the input shaft while having a first sun gear, a first planetary carrier, and a first ring gear, a second planetary gear set having a second sun gear, a second planetary carrier, and a second ring gear, a third planetary gear set having a third sun gear, a third planetary carrier, and a third ring gear, first to sixth rotation shafts and three friction elements selectively connect the respective rotation shafts to each other or selectively connect the respective rotation shafts to the transmission housing. | 12-24-2015 |
20150369350 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft to which power from an engine is input, an output shaft, a planetary gear set including a first rotation element being driven by electrical driving force, a second rotation element being externally engaged with the output shaft as an output element, and a third rotation element being driven by rotational power of an engine, a first motor/generator directly connected to the first rotation element of the planetary gear set, a second motor/generator selectively externally engaged with the output shaft, a first transfer gear, a second transfer gear, a variable connecting unit selectively connecting the first transfer gear to the input shaft or the output shaft, and a variable direct coupling unit selectively connecting two rotation elements among the three rotation elements, of the planetary gear set. | 12-24-2015 |
20150375611 | DRIVE DEVICE FOR A VEHICLE AND VEHICLE COMPRISING THE DRIVE DEVICE - A drive device which can use a hybrid drive as well as a torque distribution using the same electric motor and which can also have a simple structure. The drive device ( | 12-31-2015 |
20150377327 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, an output gear disposed on the input shaft, a first planetary gear set having a first sun gear, a first planetary carrier, and a first ring gear; a second planetary gear set having a second sun gear, a second planetary carrier, and a second ring gear; a third planetary gear set having a third sun gear, a third planetary carrier, and a third ring gear; first to seventh rotation shafts, and three friction elements configured to selectively connect the respective rotation shafts to each other or selectively connect the respective rotation shafts to the transmission housing. | 12-31-2015 |
20160003337 | DRIVE DEVICE FOR A VEHICLE - A flexible drive concept for a vehicle is provided. As a result, the claimed drive device includes a shifting device which can shift a transmission gear and an intermediate gear into different shifting states such that a second motor can be selectively used in two gears as a drive motor or alternatively as a torque vectoring motor. | 01-07-2016 |
20160009168 | POWER TRANSMITTING APPARATUS FOR VEHICLE | 01-14-2016 |
20160023651 | HYBRID VEHICLE DRIVING APPARATUS - A hybrid vehicle driving apparatus includes: an engine; a first rotating machine; a second rotating machine; planetary gear mechanisms capable of forming a four-element complex planetary to which the engine, the first rotating machine, the second rotating machine, and drive wheels are connected; and a controller. In a collinear diagram of the complex planetary, the first and second rotating machines are adjacent to each other and disposed on one side with respect to the engine. In a state in which the complex planetary is formed, the controller is configured to operate, in a predetermined mode, the first and second rotating machines at operating points at which a total of absolute values of workloads of the first and second rotating machines is smaller than the total of the absolute values at operating points for achieving an electric power balance between the first and second rotating machines. | 01-28-2016 |
20160025189 | VEHICLE TRANSMISSION - A vehicle transmission having first and second transmission input shafts (GE | 01-28-2016 |
20160031309 | HYBRID POWERTRAIN UNIT FOR MOTOR VEHICLES WITH A VARIABLE TRANSMISSION DEVICE BETWEEN THE ELECTRIC MACHINE AND THE DIFFERENTIAL - A hybrid powertrain unit comprises an engine and a gearbox device with a primary shaft connectable to a shaft of the engine via a clutch device. The gearbox device comprises a secondary shaft with an output pinion meshing with a first crown wheel of a differential, the casing of which is rigidly connected to a casing of the gearbox device. The unit comprises an electric machine configured to operate as an electric motor and as an electric generator, and having a shaft connected by transmission to a second crown wheel of the differential. In the transmission, arranged between the electric machine shaft of and the second crown wheel is an engagement device that can be operated via an electronically controlled actuator. The transmission that connects the electric machine shaft to said second crown wheel includes an auxiliary shift device configured for providing at least two different selectable transmission ratios. | 02-04-2016 |
20160033014 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may includes an input shaft, a first planetary gear set disposed on the input shaft while including three rotation elements having a first sun gear, a first planetary carrier, and a first ring gear; a second planetary gear set having a second sun gear, a second planetary carrier, and a second ring gear; a third planetary gear set having a third sun gear, a third planetary carrier, and a third ring gear; first to seventh rotation shafts, and three friction elements configured to selectively connect the respective rotation shafts to each other or selectively connect the respective rotation shafts to the transmission housing. | 02-04-2016 |
20160033015 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid electric vehicle may include an input shaft, an output shaft, a first planetary gear set having three rotation elements, a second planetary gear set having three rotation elements, a third planetary gear set, a first rotational shaft, a second rotational shaft, a third rotational shaft, a fourth rotational shaft, a fifth rotational shaft, a sixth rotational shaft, and a seventh rotational shaft such that the power transmission system can suppress conversion to an ENG mode by providing sufficient power performance at the time of wide open throttle (WOT) launching and maximally use power of an engine at the time of conversion to a first HEV mode and a third HEV mode. | 02-04-2016 |
20160046180 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of hybrid electric vehicle includes an input shaft, counter shaft, an output shaft, first motor/generator, second motor/generator, first planetary gear set, second planetary gear set to selectively externally gear-connect fourth rotation element to third rotation element through counter shaft while being directly connected to counter shaft and to directly connect fifth rotation element to output shaft and selectively connect sixth rotation element to transmission housing, first transfer gear disposed between second rotation element and output shaft, second transfer gear disposed between third rotation element and counter shaft, variable direct connection device to selectively connect two of three rotation elements of second planetary gear set, and variable connection device to selectively connect sixth rotation element to transmission housing or selectively external gear-connect third rotation element to fourth rotation element. | 02-18-2016 |
20160047439 | HIGH-EFFICIENCY DRIVE SYSTEM INCLUDING A TRANSMISSION FOR A HYBRID ELECTRIC VEHICLE - A high-efficiency drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second and third elements. A non-friction clutch assembly is non-hydraulically controlled to change between a first coupling state for coupling the output shaft of an electrical machine to a transmission output shaft and an uncoupling state for uncoupling the output shaft of the electrical machine from the transmission output shaft. The clutch assembly is also non-hydraulically controlled to change between a second coupling state for coupling the output shaft of a non-electrical machine to the transmission output shaft and the uncoupling state for uncoupling the output shaft of the non-electrical machine from the transmission output shaft. | 02-18-2016 |
20160047444 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A power transmission system of a hybrid vehicle includes an input shaft, an output shaft, a first planetary gear set, a second planetary gear set, a third planetary gear set, a first rotational shaft, a second rotational shaft, a third rotational shaft, a fourth rotational shaft, a fifth rotational shaft, a sixth rotational shaft, a seventh rotational shaft, and three friction elements selectively connecting the rotational shafts to each other or selectively connecting the respective rotational shafts and the transmission housing such that the power transmission system can suppress conversion to an ENG mode by providing sufficient power performance upon wide open throttle (WOT) launching and maximally use power of an engine upon conversion to a first HEV mode and a third HEV mode. | 02-18-2016 |
20160053864 | GEARBOX FOR A HYBRID POWERTRAIN AND METHOD TO CONTROL SUCH A GEARBOX - A gearbox having an input shaft ( | 02-25-2016 |
20160061296 | GEARBOX FOR A HYBRID POWETRAIN AND METHOD TO CONTROL THE GEARBOX - A gearbox that includes an input shaft ( | 03-03-2016 |
20160061297 | GEARBOX FOR A HYBRID POWERTRAIN AND METHOD TO CONTROL THE GEARBOX - A gearbox that includes an input shaft ( | 03-03-2016 |
20160061304 | VEHICLE GEARBOX - A vehicle transmission with a drive shaft (AW), two transmission input shafts (GE | 03-03-2016 |
20160061305 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system of a hybrid electric vehicle may include first and second motor/generators, a planetary gear set, first and second output gears, a brake, a rotation restricting member on an axis of an input shaft receiving torque of an engine in a transmission housing and a hollow shaft disposed at a radial exterior of the input shaft and adapted to transmit the torque of the engine or torque of the first motor/generator to the second output gear, an outer shaft disposed at a radial exterior of the hollow shaft and adapted to transmit torque of the second motor/generator to the first output gear, and a rear cover coupled to a rear end portion of the transmission housing. | 03-03-2016 |
20160076630 | METHOD FOR OPERATING A DRIVE TRAIN, AND DRIVE TRAIN - Disclosed is a method for operating a drive train having a drive shaft ( | 03-17-2016 |
20160082823 | POWERTRAIN OF HYBRID VEHICLE - A powertrain of a hybrid vehicle may include a planetary gear set, a first motor unit and a second motor unit. The planetary gear set may include three rotary members in which one rotary member is connected to an engine and another rotary member is connected to a front driveshaft. The first motor unit is connected to the remaining rotary member in the three rotary members, and the second motor unit is connected to a rear driveshaft and supplying power to the rear driveshaft. | 03-24-2016 |
20160091062 | Hybrid Transmission Having Electro-Magnetically Actuated Pawl Clutch - An electro-magnetically actuated pawl clutch is adapted to establish a fixed overdrive ratio in a powersplit type hybrid gearing arrangement. The electro-magnetically actuated clutch includes a first race splined to the transmission input shaft and a second race integrally formed into a first gear that is supported for rotation about the input shaft. Electrical current in a non-rotating coil establishes a magnetic field in the first race. The magnetic field causes a set of pawls to pivot with respect to the first race and to engage a cam surface in the second race. The pawls and cams are designed such that, when engaged, the second race can rotate faster than the inner race but cannot rotate slower. The first gear meshes with a second gear fixed to the transmission output shaft. | 03-31-2016 |
20160091070 | POWER TRAIN FOR HYBRID VEHICLE - A powertrain for a hybrid vehicle may include a first input shaft connected to a motor generator and coupled to a dog clutch apparatus, and a second input shaft connected to an engine and coupled to a planetary gear set, in which when the vehicle is overdriven, the dog clutch apparatus is engaged and restricts one component of the planetary gear set. | 03-31-2016 |
20160101679 | TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A transmission system may include a planetary gear set disposed on an input shaft receiving power of an engine, two input gears connected respectively to two rotation elements among three rotation elements of the planetary gear set, first and second motor/generators disposed on an intermediate shaft and a connecting shaft disposed in parallel with the input shaft, two intermediate gears connected respectively to first and second rotors of the first and second motor/generators, a brake selectively connecting the first rotor of the first motor/generator to a transmission housing, and two output gears fixedly disposed on an output shaft disposed in parallel with the intermediate shaft and transmitting power transmitted through one input gear of the two input gears and/or one intermediate gear of the two intermediate gears to a final reduction gear of a differential apparatus. | 04-14-2016 |
20160101680 | TRANSMISSION STRUCTURE OF HEV - A transmission structure of a hybrid electric vehicle (HEV) may include an engine connected to a front wheel of the hybrid vehicle, a planetary gear part connected to the engine, a first motor generator connected to the planetary gear part, an overdrive brake connected to the first motor generator, and a second motor generator connected to a rear wheel of the hybrid vehicle. | 04-14-2016 |
20160101681 | HYBRID-VEHICLE DRIVING DEVICE - A driving device includes: a power distribution mechanism configured such that a ring gear is connected to an internal combustion engine, a sun gear is connected to a first MG, and a carrier is connected to a counter shaft in a power transmittable manner; and a clutch mechanism that is able to connect the sun gear to the ring gear. The internal combustion engine, the first MG, the power distribution mechanism, and the clutch mechanism are placed on the same axis. The clutch mechanism is placed on an opposite side to the internal combustion engine across the first MG and the power distribution mechanism. | 04-14-2016 |
20160102742 | POWER TRANSMISSION APPARATUS FOR HYBRID ELECTRIC VEHICLE - A power transmission apparatus for a vehicle may include a first shift module configured to change torque input from an engine into four speed stages and to output the four speed stages, a motor/generator directly connected an output side of the first shift module, a second shift module configured to change the four speed stages input from the first shift module into eight speed stages by using a planetary gear set and to output the eight speed stages, and an output device connected to an output side of the second shift module through an output shaft. | 04-14-2016 |
20160109022 | RANGE CHANGE DEVICE - Provided is a range change device which includes a main motor and an auxiliary motor, a sun gear which is joined to a motor shaft of the main motor, an auxiliary gear which is joined to a motor shaft of the auxiliary motor, a plurality of planetary gears which are engaged with the sun gear, an annular gear in which internal teeth engaged with the planetary gears and external teeth engaged with the auxiliary gear are formed, a carrier which supports the planetary gears in a state where the carrier allows the planetary gears to rotate and revolve and is rotatable on an external circumference of the motor shaft, a small gear which is mounted on the carrier and rotates about an axis of the motor shaft, and a large gear which is engaged with the small gear. | 04-21-2016 |
20160114676 | ELECTRIC DRIVE AND DRIVE CONFIGURATION FOR A MOTOR VEHICLE - An electric drive includes a motor configuration with a plurality of electric machines, an output configuration, and a transmission stage. The output configuration has a summing stage configured as a Ravigneaux set with a summing internal gear, a summing spider, two sets of summing planets, and two summing suns. The transmission stage has a transmission sun, transmission planets, and a rotatably mounted transmission internal gear. The transmission sun is connected to the output configuration. The transmission planets are each connected to a respective one of the electric machines. The transmission planets roll on the transmission sun and on the transmission internal gear in a torque-transmitting manner. The transmission internal gear is fixedly connected to one of the two summing suns. The transmission sun is fixedly connected to another one of the two summing suns. A drive configuration for a motor vehicle is also provided. | 04-28-2016 |
20160121708 | HYBRID DRIVE ASSEMBLY - A hybrid drive assembly of a motor vehicle having a main transmission ( | 05-05-2016 |
20160129776 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle may include an input shaft receiving power from an engine, a motor configured to receive power from a battery so as to generate the power received from the battery by regeneration, an output shaft receiving the power from the input shaft and the motor, and a planetary gear apparatus connecting the power received by the input shaft from the engine to the output shaft. | 05-12-2016 |
20160137045 | Dual-motor power system and dual-motor hybrid power system for vehicle - A dual-motor power system or a dual-motor hybrid power system for a vehicle comprises a first motor, a second motor, an intermediate shaft, a first gear set disposed between a first driving shaft, and an intermediate shaft. The first driving shaft couples with the intermediate shaft via the first gear set, a second gear set disposed between the second driving shaft and the intermediate shaft, and a single synchronizer disposed around the second driving shaft. The synchronizer can be switched between a neutral position, a first-speed-ratio position, and a second-speed-ratio position. In the neutral position, the second driving shaft is decoupled from the first and second gear sets. In the first-speed-ratio position, the synchronizer couples the second driving shaft with the intermediate shaft via the first gear set. In the second-speed-ratio position, the synchronizer couples the second driving shaft with the intermediate shaft via the second gear set. | 05-19-2016 |
20160137048 | Hybrid-power driving system for a vehicle and a transmission thereof - A hybrid-power driving system (HPDS) ( | 05-19-2016 |
20160137049 | Hybrid-power driving system for a vehicle and a transmission thereof - A hybrid-power driving system (HPDS) ( | 05-19-2016 |
20160144705 | POWERTRAIN FOR HYBRID VEHICLE - A powertrain apparatus may include a planetary gear set including a first rotary member connected to a first motor and selectively operating as an input element or a fixing element, a second rotary member supplied with power from an engine and selectively operating as an input element, and a third rotary member connected to an output shaft and selectively operating as an output element, a second motor supplying power to a motor input shaft, and a transmission including a plurality of pairs of engaged gears forming different transmission gear ratios, the pairs of engaged gears being provided on the motor input shaft and the output shaft, respectively, with an engaging unit provided on the motor input shaft at a location between the pairs of engaged gears and selecting one of the pairs of engaged gears corresponding to a driving speed. | 05-26-2016 |
20160144706 | POWERTRAIN FOR HYBRID VEHICLE - A powertrain for a hybrid vehicle may include a first planetary gear including a first rotation element connected to a first motor to be operated as an input element, a second rotation element intermittently connected to the first motor through a first friction member and connected to an output shaft to be operated as a selective input element or a selective output element, and a third rotation element operated as a selective fixing element by a second friction member. | 05-26-2016 |
20160144707 | DRIVE SYSTEM FOR HYBRID VEHICLE - A drive system includes: a first planetary gear unit, in which a carrier is connected to an internal combustion engine, a sun gear is connected to a first MG, and a ring gear is connected, via a first drive gear and a first driven gear, to a counter shaft; and a second planetary gear unit, in which a brake is provided to a sun gear, a carrier is connected to the internal combustion engine, and a ring gear is connected, via a second drive gear and a second driven gear, to the counter shaft. A gear ratio of the first drive gear and the first driven gear is larger than a gear ratio of the second drive gear and the second driven gear. | 05-26-2016 |
20160146311 | HYBRID VEHICLE POWER TRAIN - A hybrid vehicle power train may include a first planetary gear unit including a first rotation element operated as a selective fixed element by a first friction member, a second rotation element connected to a first electric motor by an electric input shaft to be operated as a selective input element, and a third rotation element connected to an output shaft through an external gear to be operated as a selective output element, and a one-way clutch rotating the external gear relative to the electric input shaft or rotating the external gear along with rotation of the electric input shaft, according to rotational speed of the electric input shaft and the external gear. | 05-26-2016 |
20160146332 | DRIVING SYSTEM FOR VEHICLE - A driving system includes a first oil receiver and a power split mechanism. The power split mechanism includes an input shaft and a hollow shaft portion. The input shaft has a lubricating oil passage and a first oil hole. The first oil hole communicates the lubricating oil passage with an outer face of the input shaft. The hollow shaft portion is fitted to a radially outer side of the input shaft so as to be relatively rotatable, and has a through portion extending through from an inner face to an outer face of the hollow shaft portion. The first oil receiver is arranged on an outer side of the through portion in a radial direction of the hollow shaft portion, and configured to trap oil spattered outward from the through portion in the radial direction of the hollow shaft portion and guide trapped oil to the pinion gears. | 05-26-2016 |
20160152130 | TRANSMISSION FOR HYBRID VEHICLE | 06-02-2016 |
20160153174 | WHEEL LOADER | 06-02-2016 |
20160153528 | POWERTRAIN FOR HYBRID VEHICLE | 06-02-2016 |
20160153535 | COMPLIANCE MOTOR STRUCTURE AND MANUFACTURING METHOD THEREOF | 06-02-2016 |
20160159212 | DRIVE SYSTEM FOR HYBRID VEHICLE - A drive system for a hybrid vehicle, the drive system includes an engine ( | 06-09-2016 |
20160160470 | WORK VEHICLE AND WORK VEHICLE EMERGENCY TRAVELLING METHOD - A gear mechanism of a power train includes first and second planetary gear mechanisms, which respectively include first to third rotating elements and fourth to sixth rotating elements which are each different to each other. The transmission section transfers the drive force of the second rotating element to the fourth rotating element. A rotating shaft fixing section of a power train integrally operates the rotating shafts of the third and fifth rotating elements. A variable transmission section of a power train includes an input section where drive force is input and an output section configured to output drive force equal to or less than the input drive force. A drive force conversion control section of a controller controls the variable transmission section to enable the output of the engine to be converted to an appropriate drive force and the converted drive force to be transferred to the output shaft. | 06-09-2016 |
20160167501 | POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE | 06-16-2016 |
20160167502 | HYBRID POWER TRAIN | 06-16-2016 |
20160167503 | POWER TRANSMISSION APPARATUS FOR VEHICLE | 06-16-2016 |
20160167504 | HYBRID SYSTEM | 06-16-2016 |
20160169374 | HYBRID SYSTEM | 06-16-2016 |
20160176280 | Hybrid Drive of a Motor Vehicle and Method for Controlling Same | 06-23-2016 |
20160185206 | HYBRID DRIVE DEVICE - A hybrid drive device that includes an input member drivably coupled to an internal combustion engine; a speed change device; a rotary electric machine disposed side by side with the speed change device in an axial direction and including a rotary shaft coupled to an input shaft of the speed change device; a case that houses the rotary electric machine and the speed change device; an intermediate support member disposed between the rotary electric machine and the speed change device in the axial direction and configured to rotatably support the rotary shaft and the input shaft; and a fastening bolt that fixes the intermediate support member to the case. | 06-30-2016 |
20160193908 | POWER TRANSMITTING APPARATUS FOR HYBRID VEHICLE | 07-07-2016 |
20160201769 | HYBRID DRIVE DEVICE FOR A MOTOR VEHICLE | 07-14-2016 |
20160201770 | HYBRID DRIVE DEVICE FOR A MOTOR VEHICLE | 07-14-2016 |
20160250917 | POWER TRANSMISSION DEVICE | 09-01-2016 |
20160375753 | Transmission, Hybrid Drivetrain and Drivetrain for an Electric Vehicle - A transmission includes a main gear set, an auxiliary gear set and an electric motor with a rotor and a stator. A third shaft of the main gear set is connected to the transmission output shaft, and a first shaft of the auxiliary gear set is connected to the rotor. When a second shaft of the main gear set is constantly connected to a second shaft of the auxiliary gear set, the third shaft of the main gear set or a fourth shaft of the main gear set is constantly connected to the third shaft of the auxiliary gear set. When the third shaft of the main gear set is constantly connected to the second shaft of the auxiliary gear set, the fourth shaft of the main gear set is constantly connected to the third shaft of the auxiliary gear set. | 12-29-2016 |
20160375754 | SELECTABLE ONE-WAY CLUTCH AND VEHICLE - A selectable one-way clutch to prevent an unintentional engagement, and a vehicle having the selectable one-way clutch are provided. The selectable one-way clutch comprises a fixed plate, a rotary plate opposed to the fixed plate, and a selector plate interposed between the fixed plate and the rotary plate. A strut is held on the fixed plate in a pivotal manner to be selectively engaged with the rotary plate. The selector plate is rotated between an engagement position at which the strut is allowed to project toward the rotary plate to be engaged therewith, and a disengagement position at which the strut is pushed into the fixed plate to be disengaged from the rotary plate. A groove inlet is formed on the inner face to introduce oil to a clearance between the fixed plate and the selector plate. | 12-29-2016 |
20160375756 | FOUR WHEEL DRIVE POWER TRANSMISSION SYSTEM OF HYBRID ELECTRIC VEHICLE - A four wheel drive power transmission system may include: a front wheel drive unit configured to selectively transmit power of an engine and power of a first motor/generator to a front wheel differential apparatus; and a rear wheel drive unit configured to transmit power of a second motor/generator to a rear wheel reduction gear unit. | 12-29-2016 |
20170232832 | TRANSMISSION METHOD OF HYBRID POWERTRAIN MECHANISM | 08-17-2017 |
20180022199 | POWER TRANSMISSION SYSTEM FOR HYBRID ELECTRIC VEHICLE | 01-25-2018 |
20180022205 | METHOD FOR CONTROLLING A VARIABLE-SPEED TRANSMISSION DEVICE WITH EPICYCLIC GEAR TRAINS OF A POWER TRAIN, IN PARTICULAR FOR A HYBRID VEHICLE | 01-25-2018 |
20190143801 | MOTOR VEHICLE POWERTRAIN | 05-16-2019 |