| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 475271000 |
Plural elements selectively braked
| 473 |
| 475296000 |
Plural drive ratios other than unity
| 55 |
| 475323000 |
Carrier braked
| 9 |
| 475298000 |
Gear shiftable axially to disconnect or vary ratio
| 9 |
| 475317000 |
Orbit braked
| 7 |
| 475302000 |
Nonplanetary gearing combined with planetary | 5 |
| 20120238400 | OUTBOARD MOTOR - An outboard motor includes an engine that generates power and a transmission device arranged to change the speed of rotation of the engine and to transmit the rotation to a propeller. The transmission device includes a planetary gear type transmission mechanism arranged to shift to any of a plurality of speed positions, and the planetary gear type transmission mechanism is controlled to shift such that a sun gear and planetary gears unitarily rotate when a speed position is a normally used speed position. The outboard motor achieves a reduction in load normally caused by engagements between gears in a normally used speed position and also achieves significant improvement in durability of the gears. | 09-20-2012 |
| 20090149292 | Speed Change Transmission Device - The object is to simplify the construction of a speed change apparatus in which an engine drive force is speed-changed in a plurality of speed ranges and speed-changed steplessly in each speed range, with using a stepless speed change device ( | 06-11-2009 |
| 20120004071 | POWER TRANSMISSION APPARATUS USING A PLANETARY GEAR - The present invention relates to a power transmission apparatus which includes a planetary gear set with a planetary carrier of which one side extending to form gear teeth, wherein rotating speed input from a driving power source is reduced and then input to one actuating means, rotating speed of a gear-shifting power source is input to another actuating means to achieve a plurality of gear shifts, generating power is obtained from an output shaft to store electricity to a storage battery, the stored electric energy is utilized as controlling energy for gear-shifting power so that a transmission input shaft can be easily controlled. The power transmission apparatus according to embodiments of the present invention includes an input shaft that has one end constantly connected to a driving power source to receive power from the driving power source, the input shaft having a driving gear fixed mounted thereon, a deceleration unit that is connected to the driving gear and reduces rotating speed of the input shaft, a planetary gear set that includes a first actuating means connected to the deceleration unit and receiving rotating speed of the deceleration unit, a second actuating means receiving power for gear shift, and a third actuating means generating output speed, a gear shift unit that is constantly connected to a gear-shifting power source to receive power for gear shift therefrom, the gear shift unit being coupled with the second actuating means to transfer the power for gear shift thereto; and an output shaft that is fixed to the third actuating means of the planetary gear set to transmit output speed, wherein a rotation axis of the second actuating means is perpendicular to a rotation axis of the deceleration unit, a torque control shaft is connected to the second actuating means to receive rotation force of the second actuating means through a power transferring means, a generator for generating electricity is connected to the torque control shaft, and a storage battery for supplying electricity to the gear-shifting power source is connected to the generator. | 01-05-2012 |
| 20120329602 | AUTOMATIC TRANSMISSION - Automatic transmission device comprising: a number n of planetary gears arranged coaxially in a row, each planetary gear comprising a sun wheel, a planetary carrier carrying pivoted planetary wheels and an annulus gear, an input column connected to a sun wheel of a first planetary gear of the row of planetary gears, a general gear positioned adjacent to the row of planetary gears next to a last planetary gear, n mediator gears, each mounted on an output column, and connected to the output column via a freewheel assembly such that the mediator gears, are freely rotatable in one direction relative to the output column, each mediator gear being in engagement with one of the planetary wheels, wherein a planetary carrier of the last planetary gear is fixed to the general gear, and a planetary carrier of each but the last planetary gear being connected to a sun wheel of a following planetary gear positioned adjacently towards the last planetary gear, wherein rotation of any of the mediator gears can be stopped selectively. | 12-27-2012 |
| 20130012352 | TRANSFER GEAR-BOX - The present invention relates to a transfer gear-box having a casing, an input shaft, a rear output shaft, a front output shaft, and two planet gear sets,
| 01-10-2013 |
| 475303000 |
With synchronizing clutch or brake | 4 |
| 20100081536 | DUAL CLUTCH TRANSMISSION - A dual clutch transmission is provided which in a preferred embodiment includes a first and second input gears rotatable along a first axis and first and second clutches torsionally connected with the respective first and second input gears. First and second coaxial input shafts are provided having a plurality of selectively synchronized ratio defining gears rotatable along a second axis parallel with the first axis, the first and second input shafts are torsionally associated with the first and second input gears. An output shaft is provided that is rotatable along the first axis. The output shaft has gears meshing with the ratio defining gears of the first and second gear input shafts. | 04-01-2010 |
| 20110082004 | DRIVING-FORCE TRANSMITTING APPARATUS FOR FOUR-WHEEL-DRIVE VEHICLE - A driving-force transmitting device includes a first disengaging mechanism that disengages a driving force from an engine to a driving-force transmitting unit and a second disengaging mechanism having a synchronizing mechanism that disengages the driving force from a driving-force transmitting unit to a right-rear-wheel driving shaft. A change gear ratio between front wheels and rear wheels is constructed so that a driving-force transmitting unit side of the first disengaging mechanism rotates at a speed higher than that of an opposing side at the time of completion of synchronization of the second disengaging mechanism. In switching from a two-wheel drive mode to a four-wheel drive mode, synchronization of the second disengaging mechanism first starts to increase the rotation speed of the driving-force transmitting unit, and next connects the first disengaging mechanism when a rotation speed of the driving-force transmitting unit side of the first disengaging mechanism matches that of an opposing side. | 04-07-2011 |
| 20100190602 | MULTI-SPEED TRANSMISSION HAVING TWO PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, two 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, centrifugal clutches, and synchronizers. | 07-29-2010 |
| 20110059824 | MODE CHANGING DEVICE FOR A POWER BRANCHING TRANSMISSION - A device for changing the mode of a power-branching transmission, that includes a casing to be connected to the transmission, an epicyclic train with three inputs, a mechanism blocking a first input relative to the casing that can be selectively actuated to establish a first operation mode of the transmission, and a kinematic chain provided with a connection mechanism connecting the first input with a second input, when the connection mechanism is actuated, to establish a second operation mode of transmission. The kinematic chain includes at least one meshing between two gears. | 03-10-2011 |
| 475311000 |
Sun braked | 4 |
| 20120231922 | MANUAL WHEELCHAIR WHEEL AND APPARATUS FOR CONTROLLING SAME - The present invention relates to a manual wheelchair wheel, and in particular, to a manual wheelchair wheel with a built-in geared hub through which the speed of a forward or reverse driving force is shifted and said driving force is transferred, and which has an anti-reverse function, wherein the wheel is light and can easily replace existing wheelchair wheels. The wheel comprises: a central shaft having an axial direction hole and a radial direction through-hole and installed so as to not rotate with respect to the frame of the wheelchair; an input member supported on the central shaft and coupled to and rotated together with a handrim; an output member supported on the central shaft and coupled to and rotatable together with the wheel; a planetary gear column including a plurality of planetary gears installed on either the input member or output member, at least one sun gear engaged with a planetary gear, and a ring gear installed on the other one of the input member and output is member and engaged with a planetary gear; at least one shifting clutch enabling or preventing the rotation of the sun gear; a lock-up clutch enabling the input member and the output member to be coupled together and rotate in concert or be disengaged and rotate freely with respect to one another; and a shifting cam rotatably installed in the axial direction hole of the central shaft in order to control the operation of the shifting clutch and the lock-up clutch, wherein a different clutch operates according to the rotating direction/position of the shifting cam to shift between two or more gears and transfer forward and reverse driving force from the handrim to the wheel. | 09-13-2012 |
| 20090082167 | MULTI-SPEED TRANSMISSION WITH EXTERNAL DRIVE GEARSETS - A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes. | 03-26-2009 |
| 20090082166 | 8-Speed Transmission - The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes 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. | 03-26-2009 |
| 20080200298 | FORWARD AND REARWARD MOTION SWITCHING MECHANISM USING BRAKE BAND - A forward and rearward motion switching device to be used in an automatic transmission system for a vehicle, comprises a planetary mechanism provided with an input element, an element to be fixed and an output element which are disposed coaxially and are rotatable relative to each other, the planetary mechanism outputting a rotational driving force of an internal combustion engine transmitted to the input element as a rotational driving force in the reverse direction to the rotation of the input element from the output element through the input element, the element to be fixed and the output element, and a brake capable of fixing the element to be fixed of the planetary mechanism. The brake comprises a rotational drum which is integrally formed with the element to be fixed and has an outer peripheral surface, and a brake band that surrounds the outer peripheral surface of the rotational drum to fix the same. | 08-21-2008 |
| 475295000 |
Plural outputs | 2 |
| 20090305839 | DRIVETRAIN FOR AN ALL-WHEEL-DRIVE VEHICLE, AND METHOD FOR CONTROLLING THE SAME - A drivetrain for an all-wheel-drive vehicle which has a first driven axle and a second driven axle. A drive unit is connected to a multi-stage transmission which has a multiplicity of gear stages for generating different transmission ratios. A transmission output shaft of the multi-stage transmission is connected to the first driven axle. The drive unit is also connected to an activating arrangement, the output element of which is connected to the second driven axle. Thus drive power can be supplied to the first axle permanently via the multi-stage transmission and drive power can be supplied to the second axle on demand via the activating arrangement. | 12-10-2009 |
| 20100216593 | Two-Speed Power Take-Off Unit - A two speed power take off unit adapted for installation in an all wheel drive vehicle having a transversely mounted engine/transaxle powertrain ( | 08-26-2010 |
| 475294000 |
Ratio shift initiated by reverse rotation of input shaft | 1 |
| 20090036260 | Reverse sprocket transfer case - A transfer case comprising a rotational input member, a rotational output member, a rotational planetary gear portion operatingly engaged between the input member and the output member, a moveable cam member selectively engagable with the planetary gear portion, whereby the rotation of the planetary gear portion is stopped when the cam member is engaged with the planetary gear portion, the rotational direction of the output member is in the same direction as the input member when the cam member is not engaged with the planetary gear portion, and the rotational direction of the output member is opposite the rotational direction of the input member when the cam member is engaged with the planetary gear portion. | 02-05-2009 |
| 475270000 |
Manual force provides reaction during drive | 1 |
| 20110195813 | FORCED SPEED CHANGING APPARATUS OF BICYCLE - Provided is a forced speed changing apparatus of bicycle. The forced speed changing apparatus of bicycle is characterized in that a pressure member is disposed at the pawl controlling ring | 08-11-2011 |
| 475305000 |
Including releasable clutch directly between planet pinion and carrier | 1 |
| 20090062057 | Bicycle Transmission - A covered bicycle transmission is proposed which is simple in structure and can be mounted on various types of existing bicycles. | 03-05-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20100151984 | Transmission Module and Transmission Assembly Method - There is provided transmission module ( | 06-17-2010 |
| 20100144485 | Transmission - A transmission ( | 06-10-2010 |
| 20090118057 | GEAR AND CLUTCH ARRANGEMENT FOR MULTI-SPEED TRANSMISSION - 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 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. | 05-07-2009 |
| 20130072341 | MULTI-SPEED GEAR SYSTEM FOR POWER TOOL - A multi-speed gear system for a power tool includes a case, a lever, a gear disk, a movable member, a ring gear, a planet gear unit and an idle gear unit. The movable member is axially moved to be engaged with the ring gear, the planet gear unit or the idle gear unit to change the gear ratios and output different speeds. The parts that are engaged with the movable member are located outside of the area where the gears are located, so that the switching between the speeds is smooth and has less friction. | 03-21-2013 |
| 20130059694 | SUPPORTING STRUCTURE FOR PLANETARY GEAR MECHANISM - A supporting structure for a planetary gear mechanism includes a planetary carrier, a first bearing, and a second bearing. The planetary carrier includes a rotation shaft and an arm portion. The rotation shaft extends in an axis direction to support a planetary gear of the planetary gear mechanism to be rotatable about a rotational axis along the axis direction. The rotation shaft includes a first end and a second end opposite to the first end along the rotational axis. The first and second bearings are disposed on a first side of the planetary gear in the axis direction. The planetary carrier is radially supported by the first and second bearings without a bearing which radially supports the planetary carrier in the casing and which is provided on a second side of the planetary gear in the axis direction. | 03-07-2013 |
| 20100069194 | BICYCLE SPEED SHIFTING STRUCTURE - A bicycle speed shifting structure includes a link device, a driving device, a spring, a pedal shaft and a combining device installed inside a 5-way pipe of a bike body, and a sprocket installed outside the 5-way pipe for linking the sheathing device, and a disc, a sun gear, planetary gears, ring gears, outer gears, and a turning disc installed in an external casing and a chassis. If a pedal of the assembled structure is peddled, a pedal shaft will drive the turning disc to drive the ring gear and the outer gear to move in the same direction through rollers disposed on the periphery of the turning disc, so as to accelerate the bicycle and eliminate intermittent idle pedaling while shifting speed in a conventional structure, and the invention can be used for the speed shifting of various different models of bicycles. | 03-18-2010 |
| 20100029435 | Planetary Pinion Carrier and One-Way Clutch - A transmission gear unit includes a carrier including a first disc formed with a first chamfer, and a second disc, a one-way clutch including a first ring contacting the second disc, and a second ring, located radially outboard of and surrounding the first ring, and formed with a second chamfer, and pinion shafts, each shaft supported on the first disc and first ring, engaging the first and second chamfers and supporting a pinion thereon. | 02-04-2010 |
| 20110300986 | MULTI-SPEED TRANSMISSION HAVING TWO PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, two 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. | 12-08-2011 |
| 20100267514 | 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 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. | 10-21-2010 |
| 20100267513 | 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 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. | 10-21-2010 |
| 20090291799 | CLUTCH - A clutching device that achieves torque modulation and/or speed trimming by manipulating only a fraction of torque transferred, but over a wider speed range, is provided. The clutching device has a planetary gear set connected to a prime mover. The planetary gear set includes a ring gear, a planet carrier with at least one planet and one sun gear disposed in the planet carrier the said planet gear engaged at one side with the ring gear, and at the other side with the sun gear. The device further includes a modulating device connected to the sun gear, and an output device connected to the planet carrier. Speed modulation between the prime mover and the output device is controlled by controlling the speed of rotation of the sun gear. Energy from the speed modulation is recoverable by the modulating device. | 11-26-2009 |
| 20090069141 | ARRANGEMENT OF A PLANETARY GEARSET WITH AN AXIALLY ADJACENT SHIFT ELEMENT IN A TRANSMISSION - An arrangement of a planetary gearset ( | 03-12-2009 |
| 20080305911 | Eight Speed Automatic Transmission with Dual Area Clutch Piston - A transmission includes four planetary gearsets and five torque transmitting devices operative to provide eight forward speed ratios. At least one of the torque transmitting devices is engaged during two different speed ratios. The torque transmitting device includes a piston partially defining two separate and independently pressurizable chambers. Accordingly, the transmission enables both chambers to be pressurized for speed ratios in which a high torque capacity is required of the torque transmitting device, and only one of the chambers to be pressurized for speed ratios in which a low torque capacity is required of the torque transmitting device. | 12-11-2008 |
| 20080242471 | Multi-Speed Transmission - A multi-speed transmission has four planetary gear sets and five torque-transmitting mechanisms packaged in at least one of six possible zones within the transmission casing. | 10-02-2008 |
| 20110207571 | SWITCHABLE GEAR IN A HANDHELD POWER TOOL - A switchable gear in a handheld power tool has at least two gear stages which are to be engaged via an adjustable switching member, the switching member being in a latched position via a retaining element fixedly held against a housing in a first gear stage. Furthermore, a spindle for receiving a tool may be driven via an axially spring-loaded gear wheel, the gear wheel being axially supported on the retaining element on the side opposite the switching member. | 08-25-2011 |
| 20090118056 | GEAR AND CLUTCH ARRANGEMENT FOR MULTI-SPEED TRANSMISSION - A transmission is disclosed 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 a sun gear member, a planet carrier member, and a ring gear member. The torque transmitting devices include five clutches and one brake arranged within a transmission housing. | 05-07-2009 |
| 20090118055 | GEAR AND CLUTCH ARRANGEMENT FOR MULTI-SPEED TRANSMISSION - 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 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. | 05-07-2009 |
| 20090069140 | ARRANGEMENT OF A PLANETARY GEARSET IN A TRANSMISSION - An arrangement is proposed for a planetary gearset ( | 03-12-2009 |
| 20090312138 | TRANSMISSION WITH AT LEAST TWO PLANET GEAR STAGES - A transmission with a housing, a drive input shaft, a drive output shaft and at least two planetary gear sets for transmitting rotation from the drive input shaft to the drive output shaft. The planetary gear sets each include a sun gear, a ring gear and a planetary gear carrier. At least two clutches enable connecting the drive input shaft to one of the elements of the planetary gear sets, while the ring gears can be connected to the housing with the help of further clutch devices. The bearings of the transmission are arranged in the axial direction one behind another in such manner that axial forces acting on the elements of the planetary gear stages can be transmitted, via the bearings, to the housing. | 12-17-2009 |
| 20080242470 | Multiple speed automatic transmission - A multi-speed automatic transmission includes an input, an output, a first gear unit drivable connected to the input and including a component rotating at the speed of the input and a first gear unit output, the first gear unit producing a gear ratio of a speed of the input and a speed of the first gear unit output, a planetary gear unit including a modified Simpson gearset, the gear unit being secured to first, second, third, fourth and fifth rotating members, the fifth member being secured to the output for rotation therewith, a first clutch being operable to connect the first rotating member and the first gear unit output, a second clutch being operable to connect the second rotating member and the first gear unit output, a third clutch being operable to connect the third rotating member and an element rotating at a speed of the input, a fourth clutch being operable to connect the fourth rotating member and said element rotating at the speed of the input, a first brake being operable to hold the fourth rotating member against rotation, and a second brake being operable to hold the third rotating member against rotation. | 10-02-2008 |
| 20110028261 | AUTOMATIC TRANSMISSION - An automatic transmission includes first to third single-pinion planetary gearsets. The second ring gear and third sun gear are coupled to the first carrier and first ring gear respectively to constitute first and second rotor units. Input and output shafts are coupled to the second sun gear and third ring gear respectively. A first clutch selectively couples the first sun gear to the first carrier. A second clutch selectively couples the second sun gear to the third carrier. A third clutch selectively couples the second carrier to the second rotor unit. A fourth clutch selectively couples the second carrier to the third carrier. A first brake selectively holds the first sun gear stationary. A second brake selectively holds the third carrier stationary. At least eight forward gear ratios and one reverse gear ratio are obtained by simultaneous application of three of the clutches and brakes. | 02-03-2011 |
| 20110263375 | Switchable free-wheel arrangement for a transmission, particularly for a crank-CVT of a motor vehicle - A switchable free-wheel arrangement for a CVT transmission of a motor vehicle. Clamping bodies held in a cage are disposed between an outer ring and an inner ring. Each clamping body can be pressed with a relatively high force against the inner ring by an energy accumulator. The clamping bodies can be set up in the release direction or in the clamping direction by a switching mechanism. The energy accumulator generates a relative small setup force for setting up the clamping bodies. The energy accumulator includes two torsion springs disposed on the clamping body. It can, however, also have the shape of a helical spring that surrounds the clamping bodies and engages therein in special helical spring grooves. | 10-27-2011 |
| 20110053728 | MULTI-GEAR MECHANISM FOR POWER TOOLS - A multi-gear mechanism includes first and second gear sets, an output set, multiple first planet gears pivotably connected between the first and second gear sets, a first gear ring having internal teeth and external teeth, multiple second planet gears cooperated with the internal teeth of the first gear ring, a second gear ring having internal teeth and side teeth, an operation gear ring and a motor gear. The motor gear extends through two central holes of the first and second gear sets, and the first and second planet gears are engaged with the motor gear. The operation gear ring is connected with the second gear ring which drives the operation gear ring to move axially. The motor gear drives the output set at low speed, constant speed or high speed when the operation gear ring and the second gear ring are operated to engage with different gears. | 03-03-2011 |
| 20110136613 | COMPACT TRANSMISSION COMPRISING A PLANETARY GEAR SET - A transmission has a housing and two input/output shafts. Inside the housing is a planetary gear set with three rotatable members which are connected to the housing and the two input/output shafts. Inside the housing is a clutch which can connect two out of three of the rotatable members. When the clutch is closed the input/output shafts are connected together one to one. The pressure plate of the clutch is connected to a brake disc of a brake system that is connected to one of the rotatable members. When the brake system is closed the input/output shafts are connected via the planetary gear set. The transmission further includes a lever which can move the brake disc in axial direction and can thus open the clutch during operation. | 06-09-2011 |
| 20110177907 | Lockable or releasable wheel system with bidirectional input and one-way output - The lockable or releasable gear train with bidirectional input and one-way output relates to a transmission structure, wherein the rotary direction of the input shaft of the gear train with bidirectional input and one-way output is changed to make the direction of the output of the output shaft to be constant, which is characterized by releasing the lockable or releasable mechanism, the output shaft is moved reversely when reversely driven. | 07-21-2011 |
| 20120302392 | Epicyclic Gear Train Transmission Assembly - A transmission assembly has a carrier, a first sun gear, a first planetary gear, a second planetary gear and a second sun gear. The first sun gear has a number of teeth N1. The first planetary gear engages the first sun gear and has a number of teeth N2. The second planetary gear is connected to and driven with the first planetary gear and has a number of teeth N3. The second sun gear co-axially aligns with the first sun gear, engages the second planetary gear and has a number of teeth N4. One of the group of the sun gears and the planetary gears (N1,N4 and N2,N3) has the same number of teeth, and the other group of the sun gears and the planetary gears (N1,N4 and N2,N3) has a difference of the numbers of teeth at most of two. | 11-29-2012 |
| 20110201472 | HUB REDUCTION GEAR FOR WHEELED VEHICLE AND DRIVELINE FOR SUCH A VEHICLE AND MULTI-SHAFT WHEELED VEHICLE WITH SUCH A DRIVELINE - The invention relates to a hub reduction gear ( | 08-18-2011 |
| 20110306459 | MULTI-SPEED TRANSMISSION HAVING STACKED PLANETARY GEAR SETS - A transmission is has an input member, an output member, two stacked planetary gear sets, a third planetary gear set, a plurality of coupling members and a plurality of torque transmitting devices. The stacked planetary gear sets have a first, second, third, fourth and fifth member and the third planetary gear set has a first, second and third member. The torque transmitting devices include clutches and brakes. | 12-15-2011 |
| 20120046141 | TRANSMISSION TEST SYSTEM - An automated system for testing a variety of transmissions and drive line gearbox components, and more particularly helicopter transmissions, for reliability, life expectancy, efficiency, and the like on a semi-automated basis. The system powers a unit under test with a pair of AC, variable speed drive motors connected to the transmission through relatively low speed gearboxes which in turn drive the input(s) of the test unit through geared cartridge spindles (GCSs) employing planetary gearset inputs driving a higher speed machine tool type spindle with an output chuck system which can automatically couple to adapters preloaded on the unit under test. Similar GCSs couple the outputs of the test unit to AC motors which act as generators to power the driving motors and thereby reduce the required electric power input to the losses in the system. A unit to be tested is loaded onto a positioning fixture supported on a rollable test pallet, equipped with sensors and GCS adapters, and moved into the test module where it is clamped into position and connected to the GCSs to provide input and output connections. The main rotor shaft is connected to the regenerative motor generators through a dual, 90 degree combiner gear box that includes a hydraulic thrust loading actuator for imposing axial forces against the mast. The gearboxes between the motors and the unit under test will accommodate several different types of unit under test and can be replaced to accommodate still other types. | 02-23-2012 |
| 20120028752 | FLYWHEEL MODULE - A flywheel module comprises a coupling unit which has an input shaft and an output shaft. This coupling unit has a first coupling of which a first coupling half can be connected to a combustion engine and a second coupling half can be connected to a continuously variable transmission. The flywheel module further comprises a flywheel unit which has an in/output and is formed by a flywheel and a reduction gear unit connected to the flywheel. This flywheel unit is exclusively connected to the in/output via the coupling unit. | 02-02-2012 |
| 20120028751 | Shift mechanism for a planetary gear transmission - A shift mechanism for a transmission comprising a planetary gear transmission, a shift cam engaged with a planetary gear assembly in the planetary gear transmission, the shift cam having a shift cam stop, a rotatable cable ring connected to a moveable cable, the cable ring comprising a ramped portion, a rotatable ramped ring, the ramped ring comprising a ramped portion cooperatively engaged with the cable ring ramped portion, and further the ramped ring having a stop cooperatively engagable with the shift cam stop, a rotation of the cable ring urges the ramped ring a predetermined distance in a direction normal to the plane of rotation of the cable ring, the shaft cam held against rotation by engagement with the ramped ring, and at which predetermined distance the ramped ring is allowed to rotate with the cable ring simultaneous with the axial movement of the ramped ring, and a spring connected between the cable ring and the shift cam, the shaft cam reacting to the spring force rotates upon rotation of the ramped ring by an amount of rotation that is limited by engagement of the shift cam stop with the ramped ring stop and during which rotation of the shift cam the transmission shifts gears. | 02-02-2012 |
| 20120157258 | Transmission Housing - A transmission housing includes an inner surface and circumferentially spaced first sets of teeth spaced about an axis of the transmission housing and configured to selectively engage a first clutch plate. Each first set is attached to the inner surface. The transmission housing also includes circumferentially spaced second sets of teeth spaced about the axis of the transmission housing and configured to selectively engage a second clutch plate. Each second set is attached to the inner surface. The teeth of at least one of the first or second sets extend axially and are narrower at a first axial end of the respective teeth than at a second axial end of the respective teeth. | 06-21-2012 |
| 20100197442 | MULTI-SPEED TRANSMISSION - A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third members. The input member is continuously interconnected with a member of the planetary gear sets. The output member is continuously interconnected with another member of the planetary gear sets. At least eight forward speeds and one reverse speed are produced by the selective engagement of the five torque-transmitting mechanisms. | 08-05-2010 |
| 20110034286 | MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - 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. | 02-10-2011 |
| 20110034285 | MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission includes 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. | 02-10-2011 |
| 20110045935 | MULTI-SPEED TRANSMISSION HAVING THREE PLANETARY GEAR SETS - A transmission is provided having an input member, an output member, a planetary gear set and a planetary gear set assembly, 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. | 02-24-2011 |
| 20110275471 | SWITCHABLE PLANETARY GEAR SET IN A HANDHELD MACHINE TOOL - A switchable planetary gearbox in a hand-held power tool includes multiple planet carriers having associated planet wheels, and is to be displaced between at least two gear ratios, such that the gear ratios are to be engaged via a displaceable switching ring gear. At least three planet carriers having associated planet wheels are provided axially behind one another, such that in a position fixed with respect to the housing, the switching ring gear is rotationally coupled to the planet wheels on the second-stage planet carrier and simultaneously to the planet wheels on the third-stage planet carrier. | 11-10-2011 |
| 20080254932 | Motor Vehicle Automatic Gearbox and Method for the Operation Thereof - The invention concerns an automated motor vehicle shift transmission ( | 10-16-2008 |
| 20080227585 | OUTBOARD MOTOR - A power transmission mechanism transferring a power output from an engine to a propeller includes a transmission planetary gear train that transforms the output power of the engine before it is transferred to the propeller. The transmission planetary gear train includes a transmission sun gear, a transmission double planetary gear set, and a transmission internal gear, in which the transmission sun gear is connected via the first clutch to the input end shaft extending into the engine, and the transmission sun gear is also connected via the second one-way clutch to the housing. In addition, the transmission double planetary gear set is connected via the second clutch to the input end shaft extending into the engine, and the transmission double planetary gear set is also connected via the first one-way clutch to the housing. Further, the transmission internal gear is connected to the output end shaft extending toward the propeller. | 09-18-2008 |
| 20080227584 | TRANSMISSION ASSEMBLY - The present invention provides a transmission assembly having a clutch housing, a gear arrangement disposed within the clutch housing, and a fixed component coupled to the clutch housing. A brake having a housing and a hub is also included. The housing is coupled to the fixed component and the hub is coupled to the gear arrangement. The brake is disposed external to the clutch housing and cooperates with the gear arrangement to provide at least one forward or reverse gear ratio. | 09-18-2008 |
| 20080220927 | Automatic transmission with dry clutches, multi-purpose actuators, or damper - An automatic transmission including a first number of dry clutches; a second number of brakes; a third number of actuators; and transfer elements. The transfer elements are connected to respective clutches and brakes by respective uninterruptible mechanical paths. The actuators are arranged to displace respective transfer elements to operate the dry clutches and brakes. The third number is less than a sum of the first and second numbers. The transmission can include an input to a drive unit; a gear set; a damper connecting the drive unit and gear set; and an uninterrupted torque path between the drive unit and gear set. The transmission can include: a fluid chamber; dry portions; a six speed gear set at least partly in the chamber; three shafts at least partially disposed in the chamber; and three sealing elements forming a fluid-tight seal among the shafts, chamber, and dry portions. | 09-11-2008 |
| 20130116081 | PLANETARY TRANSMISSION HAVING A SEGMENTED RING - A planetary gear-set for continuously varying the output ratio between torque and rotational velocity, in which a central static sun-gear is considered as a reference to all other components. The structural aspects include a set of segments of a ring gear each such segment includes a linked couple of cogwheels. Another set of couples of linked cogwheels, is a sun-gear follower and the coupled member is output transfer cogwheel. A mechanism for changing the orientation of the output transfer cogwheel with respect to the sun-gear follower. A transient link connects between the above two separate systems of sets. | 05-09-2013 |
