Class / Patent application number | Description | Number of patent applications / Date published |
477015000 | With transmission control | 38 |
20080248918 | Energy Storage and Control System for a Vehicle Electrified Drivetrain - A system for supplying electrical energy to a partial or a total electrified drivetrain of a vehicle, the system may include an energy storage system having an energy storage system output that is excess of an operating voltage of the electrified drivetrain. A first converter having an input coupled to the energy storage system output and a first converter output that is at an operating voltage of the electrified drivetrain. Optionally, a supplemental storage bank may be coupled to the first converter output. A second converter is coupled to the supplemental storage bank to provide an output at an operating voltage of the electrified drivetrain and at a peak operating current of the electrified drivetrain. | 10-09-2008 |
20090054203 | Hydrodynamic coupling device for hybrid vehicles - A hydrodynamic coupling device including: a housing; a sealing plate rotationally connected to the housing; a pump disposed within the housing; a turbine disposed within the housing and in fluid communication with the pump; and a dry chamber at least partially enclosed by the housing and the sealing plate. A hydrodynamic coupling device including: a housing; an electric motor rotationally connected to the housing; and a fluid coupling including a pump rotationally connected to the housing and a turbine rotationally connected to an output hub. The fluid coupling does not include a stator. A hydrodynamic coupling device including a space formed between a stator shaft and a pump hub and a sleeve disposed in the space. The sleeve divides the space into first and second channels. | 02-26-2009 |
20090118087 | SYSTEM CONSTRAINTS METHOD OFCONTROLLING OPERATION OF AN ELECTRO-MECHANICAL TRANSMISSION WITH AN ADDITIONAL CONSTRAINT RANGE - A method for controlling an electromechanical transmission mechanically coupled to first and second electric machines to transmit power to an output member includes determining motor torque constraints and battery power constraints. A preferred output torque to an output member is determined that is achievable within the motor torque constraints, within a range for an additional torque input and based upon the battery power constraints. | 05-07-2009 |
20110165993 | Control Strategy for Multi-Mode Vehicle Propulsion System - A method for controlling a vehicle operation in the transmission lash region. One method includes transitioning a combustion mode of a cylinder, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the transmission. | 07-07-2011 |
20110312468 | CONTROL DEVICE FOR VEHICULAR POWER TRANSMITTING APPARATUS - It is provided a control device for a vehicular power transmitting apparatus provided with a transmission disposed in a power transmitting path between an electric motor and drive wheels, the control device switching a synchronizing control method of the transmission in a kickdown shifting performed in the transmission to either one of a rotation-synchronization control by a hydraulic pressure control of the transmission and a rotation-synchronization control by the electric motor, depending on an input torque applied to the transmission at the beginning of the shifting. | 12-22-2011 |
20120010042 | LOAD-SENSITIVE AUTOMATIC TRANSMISSION SYSTEM FOR AGRICULTURAL ELECTRIC VEHICLE - A load-sensitive automatic transmission system for an agricultural electric vehicle is provided, which includes a drive motor for generating a rotational power using electric power of a battery; a transmission for changing a rotational speed of the drive motor in multiple stages and outputting the changed rotational speed; a forward/reverse differential gear for transmitting the power of the transmission to wheels; a control unit for detecting a running state of the vehicle and a load state of the drive motor and determining a speed change time; and an actuator for operating the transmission in response to a signal from the control unit. Accordingly, it is possible to selectively provide high speed and torque to meet the needs of different situation, beyond the limitations of the motor drive performance of a conventional electric vehicle. | 01-12-2012 |
20120122631 | METHOD AND SYSTEM FOR CONTROLLING AIRCRAFT ENGINE STARTER/GENERATOR - A system and a method for controlling an aircraft engine starter/generator. The system includes an AGB of fixed gear ratio for coupling mechanically to a turbine shaft of the engine to enable the engine to be started, a gearbox having multiple gear ratios mechanically coupled to a gearwheel of the AGB, a starter/generator mechanically coupled to a gearwheel of the gearbox, and a controller to cause the gear ratio of the gearbox to be changed as a function of the mode of operation of the starter/generator. | 05-17-2012 |
20120214640 | HAND-HELD POWER TOOL - In a hand-held power tool having a gear transmission, which is drivable by a motor, for driving a drive shaft, the gear transmission being shiftable at least between a first gear and a second gear via a gear shifting device, the gear shifting device has a sensor system, which is connected to an electronic unit, for detecting a gear shifting procedure. The electronic unit is designed for the purpose of activating the motor using predefined motor parameters which are assigned to the detected gear shifting procedure, on the basis of a gear shifting signal which is generated by the sensor system when a gear shifting procedure is detected. | 08-23-2012 |
20130157808 | Series Drivetrain With CVT Output - An electric drive system for driving a machine includes first and second electric drive motors linked to sun and ring gears respectively of a planetary output stage, and a ring brake associated with the ring gear to maintain the ring gear in a locked position. The carrier drives a fixed gear series drive train. In a first regime of operation corresponding to a first range of machine speeds, a controller employs the ring brake to brake the ring gear, and actuates only the first electric drive motor at a speed sufficient to yield the desired machine speed. In a second regime, corresponding to a second range of machine speeds, the controller drives the first electric drive motor at maximum speed, releases the ring brake, and drives the second electric drive motor so as to yield the desired machine speed. | 06-20-2013 |
20130178331 | HANDHELD POWER TOOL HAVING A PLANETARY GEAR - In a handheld power tool having a planetary gear, drivable by a motor, for driving a drive shaft in a first or second predefined direction of rotation, the planetary gear being situated in a gear housing and having at least one planetary stage to which an annulus gear situated in the gear housing is assigned, in the area between the annulus gear and the gear housing, at least one sensor element is situated which is designed to enable a detection of a torque which acts in the first or the second direction of rotation and is transferable to the annulus gear via the drive shaft during the operation of the handheld power tool. | 07-11-2013 |
20130244829 | Transmission Control During Regenerative Braking - A system and method for controlling a hybrid electric vehicle during regenerative braking is provided. The system and method include a brake controller adapted to cause, for a selected transmission gear, a first torque ratio to be applied to a regenerative brake system during regenerative braking and a second torque ratio, different from the first torque ratio, to be applied when the vehicle is not regenerative braking. The first torque ratio results in an increased braking torque generated by the regenerative brake system compared with application of the second torque ratio. | 09-19-2013 |
20130316871 | CONTROL DEVICE OF VEHICLE DRIVE DEVICE - It is provided a control device of a vehicle drive device having an electric motor connected via an inverter to an electric-motor power source, an inverter smoothing capacitor connected to the inverter of the electric-motor power source side thereof, and a transmission making up a portion of a power transmission path between the electric motor and drive wheels, the control device being configured to make an output torque of the electric motor smaller as the rotation speed of the electric motor being higher, and to make a gradient of an output torque reduced amount of the electric motor larger as the rotation speed of the electric motor being higher if a rotation speed of the electric motor rises at the time of upshift of the transmission higher than a rotation speed before the shift. | 11-28-2013 |
20140051548 | BICYCLE DRIVE UNIT - A bicycle drive unit basically includes a motor and a crank axle torsion sensor unit. The motor has a crank axle receiving hole that is arranged for installing a crank axle. The crank axle torsion sensor unit is at least partially disposed inside of the crank axle receiving hole in between the motor and the crank axle. | 02-20-2014 |
20140336000 | Mobile pulley system as interface for rotational engines requiring an external driving force (wheel-based vehicles, turbines, ect.) - The apparatus, comprised of a housing, at least one set of fixed pulleys and corresponding mobile pulleys and the means of controllably coupling the rotational movement to, through and from it reduces the energy required for the self-propelling function of a vehicle employing rotational movement for the said function by at least fifty percent regardless of the said vehicle's internal type of power source and previous amount of energy used for the said function. | 11-13-2014 |
20150051046 | METHOD AND APPARATUS FOR CONTROLLING CREEP TORQUE IN A POWERTRAIN SYSTEM - A vehicle includes an internal combustion engine coupled to an input member of a multi-mode transmission configured to transfer torque to an output member coupled to a ground wheel with the internal combustion engine in an ON state generating an input torque. A method for controlling the vehicle includes identifying an undesirable operating region including an input/output torque region for operating the multi-mode transmission. In response to an operator request for creep torque, motor torque is controlled from a torque machine coupled to the multi-mode transmission such that the multi-mode transmission is operating outside the undesirable operating region while a mechanical braking torque to the ground wheel is coincidentally controlled in response to an operator-commanded braking, the input torque from the engine, and the motor torque from the torque machine. | 02-19-2015 |
20150087476 | REAR DRIVE UNIT FOR A HYBRID ELECTRIC MOTOR VEHICLE - A rear drive unit for a hybrid electric motor vehicle is provided. The rear drive unit comprises a rear link/drive shaft and an electrical motor/generator. | 03-26-2015 |
20160068222 | BICYCLE SHIFTER, BICYCLE TRANSMISSION DEVICE, AND BICYCLE ELECTRIC SYSTEM - A bicycle shifter is provided as part of a bicycle electric system. The bicycle shifter basically includes a transmission cable winding element, an operating unit and a detection device. The operating unit operatively coupled to the transmission cable winding element. The detection device is arranged to detect a movement of the operating unit. The detection device outputs a signal according to the movement of the operating unit with respect to the winding element. | 03-10-2016 |
20160075337 | METHOD FOR CONTROLLING THE CLAW COUPLING OF A GEARBOX - Method for controlling the claw coupling of two gearbox elements initially rotating at different speeds when the driver or the box computer requests claw coupling, characterized in that, in a first phase, the difference in rotational speed of the rotary elements is brought by a regulator to a non-zero reference value without any translational movement of the rotary elements toward one another, and in that the movement of the rotary elements until they are claw-coupled occurs in a second phase that begins when the difference in rotational speed reaches its desired value, during which phase the difference perceived by the regulator is modulated by a factor (F) that is a function of the raw difference between the measured value and the reference value. | 03-17-2016 |
20160090078 | CONTROL APPARATUS FOR VEHICLE - A control apparatus for a vehicle that includes a first power transmission path, a second power transmission path, a clutch mechanism, a clutch controller, a supply current controller, a self-shut unit, and an electric power generating mode controller. The self-shut unit holds a conducting state of a second electric power supply line over a set time, in response to a change in a state of a first electric power supply line from a conducting state to a non-conducting state. The electric power generating mode controller executes an electric power generating mode that drives an electric motor to generate electric power upon a stop of a vehicle in which the clutch mechanism is disengaged. The supply current controller increases a supply current supplied to the clutch controller, in response to the change in the state of the first electric power supply line during the electric power generating mode. | 03-31-2016 |
477019000 | Engine starting interlock | 4 |
20080227592 | Method for Starting an Internal Combustion Engine in a Parallel Hybrid Drive Train - A method for starting an internal combustion engine in a parallel hybrid drive train of a motor vehicle. The drive train comprises an automatic transmission ( | 09-18-2008 |
20100216594 | TRANSMISSION HYDRAULIC CONTROL SYSTEM HAVING AN ACCUMULATOR - A hydraulic control system for actuating at least one torque transmitting device in a transmission includes a sump, a pump in communication with the sump, and an accumulator. A first control device and a second control device control the communication of hydraulic fluid between the pump, the accumulator, and the torque transmitting device. | 08-26-2010 |
20120252628 | VEHICLE SHIFT CONTROL SYSTEM - When a P lock state is set on the basis of a predetermined request signal for setting the P lock state, a P position indicator lamp ( | 10-04-2012 |
20150065297 | CONTROL DEVICE FOR HYBRID VEHICLE - In a first slip suppression control by a first slip suppression control unit when a vehicle stops on a slope, an electronic control unit controls an output torque of an electric motor so that a rotation speed of an input rotation member of a hydraulic power transmission reaches a predetermined target rotation speed during stopping of an engine. The electronic control unit starts the engine when the output torque of the electric motor is greater than a predetermined torque. Accordingly, when the output torque of the electric motor at a rotation speed under a slip suppression control is insufficient, the output torque of the engine can be used and thus a locked state of the electric motor is appropriately prevented. | 03-05-2015 |
477020000 | Condition responsive engine control | 15 |
20090247353 | Hydraulic Control System for Multi-Mode Hybrid Transmission and Method of Regulating the Same - A hydraulic control system for distributing pressurized fluid to a multi-mode hybrid-type power transmission is provided, as well as a method for regulating the same. The hydraulic control system includes an engine-driven main pump in fluid communication with a main regulator valve, and an electrically-driven auxiliary pump in fluid communication with an auxiliary regulator valve. One pressure control solenoid provides feedback (boost) pressure to both regulator valves, and thereby modify output of the main and auxiliary pumps. A controller selectively modifies distribution of boost pressure to ensure a continuous and controllable feed of hydraulic pressure to the transmission during all vehicle operations. The method includes: determining if the vehicle is transitioning to engine auto-start or auto-stop; determining the line pressure requirements of the transmission under current operating conditions; starting the oncoming-pump; adjusting PCS command so started oncoming-pump pressure equals line pressure requirements; and shutting down off-going-pump. | 10-01-2009 |
20100160110 | Transmission Assembly for Electric Vehicle - A transmission assembly for an electric vehicle includes a transmission having an input shaft, an output shaft, and a gear train coupled between the input shaft and the output shaft. A motor includes an output coupled to the input shaft of the transmission. A motor controller is electrically connected to the motor and controls a rotating speed of the motor. A gear controller is electrically connected to the motor controller. The gear controller outputs a speed request signal to the motor controller, and the motor controller controls the rotating speed of the motor based on the speed request signal, allowing smooth engagement between the gear train and the output shaft. | 06-24-2010 |
20100273605 | IN-VEHICLE POWER TRANSMISSION DEVICE AND POWER TRANSMISSION SYSTEM FOR VEHICLE - An in-vehicle power transmission apparatus is equipped with a motor-generator working as an engine to drive a vehicle and a power split device made up of a plurality of power split rotors. A first one of the rotors is coupled to a driven wheel of the vehicle, while a second one of the rotors is coupled to an accessory such as an air compressor of an air conditioner. The speed of the second rotor is controllable independently of that of the driven wheel. This eases restrictions on the supply of power produced by the generator-motor to the accessory. Alternatively, the rotors are so linked that when the speed of the first rotor is not zero (0), the speed of the second rotor has one of zero (0) and a value other than zero (0), thus ensuring the stability in supplying the power to drive the vehicle to the accessory. | 10-28-2010 |
20110098151 | HYBRID DRIVE TRAIN FOR A MOTOR VEHICLE AND METHOD FOR OPERATING THE HYBRID DRIVE TRAIN - A hybrid drive train for a motor vehicle which comprises an combustion engine, at least two electric machines, a multi-gear transmission with transmission input and output shafts, a shift actuator, at least one energy storage device and a control unit arranged such that the combustion engine and the rotor of the first electric machine are connected to the transmission input shaft, and the transmission output shaft is connected either permanently or via a gearwheel arrangement or a chain or toothed-belt drive mechanism to at least one wheel or to a differential of a first vehicle axle. The rotor of the second electric machine is connected either permanently or via a chain or toothed-belt drive mechanism, either to at least one wheel or to a differential of the first vehicle axle, or to at least one wheel or to a differential of a second vehicle axle. | 04-28-2011 |
20110218075 | PEDAL MAP SHIFT - A method is provided for controlling a prime mover adapted to drive at least one ground engaging element of a working machine. The method includes receiving an operator control input indicative of the control of the prime mover and determining at least one operation signal in response to the operator control input, which operation signal is sent for controlling the prime mover. The method also includes receiving a operating state input indicative of an operating state of the machine and selecting a control mode from at least one speed control mode in which the determined operational signal comprises a desired speed of the prime mover and at least one torque control mode in which the determined operational signal comprises a desired torque of the prime mover in response to the operating state input. | 09-08-2011 |
20120010043 | Electric power tool - An electric power tool includes a motor; a speed reducer for transferring a rotational power of the motor at a reduced speed; and a reduction ratio changing unit for changing a reduction ratio of the speed reducer. The speed reduction mechanism includes an axially slidable changeover member and a gear member, the changeover member being engaged with or disengaged from the gear member depending on an axial slide position thereof. The reduction ratio changing unit includes a shift actuator for axially sliding the changeover member, a driving state detector for detecting a driving state of the motor, a slide position detector for detecting a slide position of the changeover member and a controller for driving the shift actuator and for temporarily decreasing or increasing a rotational power of the motor depending on detection results of the driving state detector and the slide position detector, respectively. | 01-12-2012 |
20120077639 | CONTROL DEVICE FOR VEHICULAR DRIVE SYSTEM - A control device for a vehicular drive system is disclosed as including reverse drive for suppression means operative to preclude output member, such as an output shaft and drive wheels, of an automatic transmission portion from inputting a reverse drive force to a differential portion. This prevents a power transmitting member from rotating in a direction opposite to a rotational direction of the same with a running position being set. This suppresses a first electric-motor rotation speed, determined with an engine rotation speed and a power transmitting member rotation speed based on the relationship on mutually relative rotation speeds in the differential portion, from increasing to a high level. This results in improved durability of a first electric-motor. | 03-29-2012 |
20120322612 | METHOD FOR ACTUATING A STARTING PROCESS - A method of actuating a starting process, in a selected driving direction, of a vehicle having a hybrid drive system and a hydraulically controlled transmission. When starting, the method checks whether the vehicle is moving in the selected direction, and if the vehicle is moving in the opposite direction, at least the shifting element (A, B, D, E, F) of the transmission that is involved in the engaged gear is actuated in such a manner that a continuous torque increase is produced by the electric machine (EM). | 12-20-2012 |
20130210575 | CONTROL DEVICE OF VEHICLE POWER TRANSMISSION DEVICE - It is provided a control device of a vehicle power transmission device having an automatic transmission shifted by engagement and release of hydraulic friction engagement devices to selectively establish a plurality of gear stages and an electric motor coupled to an input shaft of the automatic transmission in a power transmittable manner, the control device executing a clutch-to-clutch shift while performing regeneration through the electric motor at the time of a coast down shift of the automatic transmission, the control device completing regenerative torque reduction control to reduce a regenerative torque of the electric motor in a torque phase of the coast down shift before start of the torque phase in accordance with a drop-off of an output torque of the vehicle power transmission device. | 08-15-2013 |
20130331230 | TRANSMISSION CONTROL DURING REGENERATIVE BRAKING - A system and method for controlling a hybrid electric vehicle during regenerative braking is provided. The system and method include a brake controller adapted to cause, for a selected transmission gear, a first torque ratio to be applied to a regenerative brake system during regenerative braking and a second torque ratio, different from the first torque ratio, to be applied when the vehicle is not regenerative braking. The first torque ratio results in an increased braking torque generated by the regenerative brake system compared with application of the second torque ratio. | 12-12-2013 |
20140148307 | ELECTRICAL AXLE - An electrical axle ( | 05-29-2014 |
20150360674 | METHODS AND SYSTEMS FOR IMPROVING HYBRID VEHICLE GEAR SHIFTING - Systems and methods for improving transmission shifting of a hybrid vehicle are presented. In one example, output torque of an electric machine is adjusted in response to a downshift of a fixed step ratio transmission during regenerative braking. The output torque of the electric machine may be adjusted in response to a phase of the transmission shift. | 12-17-2015 |
20150375625 | Vehicle Comprising an Electrical Drive Machine - An electrical drive machine for a vehicle includes a brake apparatus and a gear-selection apparatus, such that the electrical machine is designed as a current-powered synchronous machine. The vehicle includes a control unit which is associated with the current-powered synchronous machine, wherein the control unit sets a field current of the rotor based on a gear-selection position set at the gear-selection apparatus and based on a position of a brake pedal of the brake apparatus. | 12-31-2015 |
20160039407 | HYBRID ELECTRIC VEHICLE AND METHOD FOR CONTROLLING A POWERTRAIN THEREIN - A method for controlling a hybrid electric powertrain includes, in response to a request to increase a powertrain braking force on at least one of a plurality of traction wheels, (i) commanding at least one clutch to increase a gear ratio of a transmission, and (ii) during clutch stroke, commanding an electric machine to act as a generator such that the electric machine applies a braking force to at least one of the traction wheels. | 02-11-2016 |
20160096446 | VEHICLE SYSTEM AND METHOD FOR CONTROLLING TORQUE DELIVERY DURING TRANSMISSION ENGAGEMENTS WITH ROAD GRADE AND MASS ESTIMATION - A method according to an exemplary aspect of the present disclosure includes, among other things, controlling a torque output of an electric machine of an electrified vehicle based on estimated loads present during a transmission engagement of the electrified vehicle. | 04-07-2016 |