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| Number | Title | Issue Date |
| 8172715 | Multiplexed gear actuation system for a dual clutch transmission A gear actuation mechanism for an automatic transmission, comprising: a motor; first and second gear actuation shafts; means of selecting one power path from each of two sets of power paths in response to rotation of the first and second actuation shafts, respective... | 05/08/2012 |
| 8066612 | 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 ... | 11/29/2011 |
| 8047957 | 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 ... | 11/01/2011 |
| 8038568 | Multi-speed transmission A transmission is provided having an input member, an output member, three planetary gear sets, four external co-planar gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second ... | 10/18/2011 |
| 7837589 | Multi-speed split dual clutch transmission A transmission is provided having an input member, an output member, a split dual clutch assembly, two countershaft gearing arrangements, one planetary gear set, a plurality of interconnecting members, and a plurality of torque transmitting devices. Each of the coun... | 11/23/2010 |
| 7798937 | Transmission with a countershaft which can be idled in direct gear In a utility vehicle transmission having an input shaft, a main shaft and an output shaft, a countershaft is provided which can be decoupled in direct gear, a high number of gears wherein power is transmitted from the input shaft to the output shaft directly via the... | 09/21/2010 |
| 7422537 | Torque split hydraulic coupling between transmission and secondary driving axle with torque modulation and locking capabilities A power transmission system coupling (100) configured to provide a responsive and controllable clutch (110) using a torque split arrangement including a planetary gear set (106) for torque modulation, together with a locking device (134) ... | 09/09/2008 |
| 7364527 | Nine speed automatic transmission with six torque-transmitting mechanisms A multi-speed transmission that achieves nine forward speed ratios and a reverse speed ratio has two planetary gear sets and a plurality of intermeshing gear members which may consist of two additional planetary gear sets or gear members arranged in a countershaft d... | 04/29/2008 |
| 7350430 | Transmission having direct gear A transmission for a motor vehicle comprising an input shaft (1), an output shaft (2) and at least one countershaft (3). The transmission comprises at least one direct gear and the parts of the transmission that are not involved in the power flo... | 04/01/2008 |
| 7331894 | Dog clutch and method for overdrive A hydraulically-actuatable clutch and method is operable as an overdrive clutch in a transmission system having a transmission main shaft portion. The clutch is engageable between a transmission housing and a sun gear and rotor hub to provide for grounding of the su... | 02/19/2008 |
| 7311630 | Multi-speed transmission with differential gear set and countershaft gearing A transmission is provided having a differential gear set with three input torque-transmitting mechanisms, such as friction clutches, to achieve torque flow through the differential gear set to a countershaft gearing arrangement. The transmission utilizes power-on s... | 12/25/2007 |
| 7303500 | Multiple-speed automatic transmission A multiple speed transmission having an input and output includes a first and second planetary gearsets, each gearset including a sun gear, a ring gear surrounding the sun gear, a set of planet pinions meshing with the sun gear and the ring gear, and a carrier on wh... | 12/04/2007 |
| 7278950 | Stage-geared gearbox for motor vehicles A stage-geared gearbox for motor vehicles, includes an unsynchronized basic gearbox, at least one synchronized auxiliary gear and at least one control unit for controlling engagement and disengagement of the gears of the gearbox and also neutral position. In the gea... | 10/09/2007 |
| 7272986 | Dual input automatic transaxle A transaxle for a vehicle includes a first input shaft having a first speed drive gear, a third speed drive gear, and a reverse drive gear; and a second input shaft having a second speed drive gear. An output shaft has a first speed driven gear engaged with the firs... | 09/25/2007 |
| 7223194 | Clutch mechanism with dual clutch devices and a planetary gearset A clutch mechanism includes a housing adapted to be rotated by an automotive engine, a shaft having first and second sections and a first end adapted to be an input to a transmission, and first and second clutch devices positioned with the housing. The first clutch ... | 05/29/2007 |
| 7188719 | All gear infinitely variable transmission An infinitely-variable transmission consists of a rotational input member, a rotational output member, first and second non-circular driving gears coupled to one of the rotational members, and a plurality of variable velocity-ratio gear assemblies disposed about the... | 03/13/2007 |
| 7128680 | Compound differential dual power path transmission A vehicle transmission includes a differential gearset having five coaxial gear elements and two output members. Two of the gear elements are controllable via torque-transmitting devices such as friction brakes or electric motors to establish a plurality of speed ra... | 10/31/2006 |
| 7112157 | Gear unit for the drive of a rotation tube A gear unit for the drive of a rotating tube is provided with a drive shaft and a power distributing gear unit stage that is configured as a helical gear unit with an intermediate shaft having mounted thereon two helical pinions. A load-summing gear unit stage with ... | 09/26/2006 |
| 7104917 | Countershaft planetary transmissions A multi-speed power transmission includes a countershaft portion and a planetary gearset portion. The countershaft portion is controlled by synchronizer torque-transmitting mechanisms, and the planetary gearset portion is controlled by selectively engageable frictio... | 09/12/2006 |
| 7097583 | Power-branched transmission with steplessly adjustable transmission ratio A power-branched transmission having a steplessly adjustable transmission ratio. An input-side distributor transmission includes an input gear that is nonrotatably connected with an input shaft coupled to an engine. The power-branched transmission includes an output... | 08/29/2006 |
| 7056255 | Differential cage for a differential gear In a differential cage for a differential gear, a cage member is provided with a cavity machined on an inside and having an installation opening for compensating gears and driving gears. An axle drive gear and a parking lock gear form a one-piece forging together wi... | 06/06/2006 |
| 7056254 | Non-slip continuously variable transmission A non-slip continuously variable transmission (CVT) uses the positive engagement of gear teeth and does not rely on friction to transmit torque. The transmission has a ring gear with spur gear teeth at its periphery and conical teeth at its top surface adjacent to a... | 06/06/2006 |
| 6984187 | Multi-stage gearbox A multi-stage gearbox with a drive input shaft connected to a reduction planetary gear set, with a drive output shaft connected to a main planetary gear set, and with shift elements. An input speed of the drive input shaft can be transferred, by the engagement of at... | 01/10/2006 |
| 6969335 | Automated gear transmission A multiple speed transmission includes first and second concentric input shafts, an output shaft, an auxiliary shaft, a first clutch for driveably connecting and disconnecting the first input shaft, and a second clutch for driveably connecting and disconnecting the ... | 11/29/2005 |
| 6926635 | Multi-speed transmission A multi-speed transmission with an input shaft (1) and an output shaft (2) with two spur gear speeds (ST1, ST2) that are connected tightly on the input side with the input shaft (1) and generate two output rotational speeds (n1 | 08/09/2005 |
| 6916268 | Automatic speed change apparatus An automatic speed change apparatus including an input shaft, an intermediate shaft and an output shaft arranged in parallel. The input shaft is coupled to the intermediate shaft by counter gear sets providing first, second and third drive paths. The input shaft is ... | 07/12/2005 |
| 6893373 | Transmission for vehicle A transmission for a vehicle includes a main transmission (M) and a differential gear mechanism (20). The main transmission has at least two rotating elements (11, 12; 13, 14) each set to a different gear ratio, and the differential gear mechanism has ... | 05/17/2005 |
| 6849023 | All gear infinitely variable transmission An infinitely-variable transmission comprises a rotational input member, a rotational output member, first and second non-circular driving gears coupled to one of the rotational members, and a plurality of variable velocity-ratio gear assemblies disposed about the o... | 02/01/2005 |
| 6837818 | Continuously variable transmission system A continuously variable transmission system comprises a continuously variable transmission having two pulley sets each with two discs defining a V-shaped groove, drive means-for varying the width of said groove and a belt extending between said-pulley sets in the gr... | 01/04/2005 |
| 6719655 | Electrodynamic drive system An electrodynamic drive system (2) for a vehicle between a drive engine (4) and a manual transmission (16) comprising a planetary transmission (12) with the three elements sun gear (50), internal gear (10) and planet carrier... | 04/13/2004 |
| 6702700 | Automatic transmission apparatus An apparatus is provided to expand the direct drive region of the torque converter in a five or six-speed automatic transmission apparatus for front wheel drive to greatly improve the power performance and fuel economy thereof. The apparatus has a first s... | 03/09/2004 |
| 6699150 | Automatic transmission apparatus An apparatus is provided to expand the direct drive region of the torque converter in a five or six-speed automatic transmission apparatus for front wheel drive to greatly improve the power performance and fuel economy thereof. The apparatus has a first s... | 03/02/2004 |
| 6659902 | Gearbox A multi-gear, manual transmission, especially for utility vehicles, with at least partially automatized gear shifting or with a manual gear shift, in which the gear synchronization is carried out by motor guidance and wherein the transmission possesses a ... | 12/09/2003 |
| 6645114 | Multiple axes planetary transmission A transmission arrangement for a vehicle includes a transmission housing with at least two transmission axes extending therein. Each axis includes an input transfer gear engaged with an input clutch, wherein the input clutch is connected to at least one m... | 11/11/2003 |
| 6612960 | Transmission with non-coaxial output A vehicle transmission having an input shaft, a main shaft, a countershaft and an output shaft mounted for rotation around axes of rotation and a plurality of gear wheels mounted on the countershaft and the output shaft for the transmission of torque from... | 09/02/2003 |
| 6612959 | Three-speed transfer case A transfer case having an input shaft, an output shaft, and a planetary gearset connected therebetween. The planetary gearset includes a first sun gear, a second sun gear, a carrier coupled for rotation with the input shaft, a ring gear coupled for rotati... | 09/02/2003 |
| 6607464 | Transmission, especially for wind power installations A transmission, especially for wind power installations includes a planetary stage on the input side that is mounted upstream of at least one gear stage. The planetary stage includes at least two power-splitting planetary gears that are mounted in paralle... | 08/19/2003 |
| 6565470 | Automatic transmission apparatus An apparatus is provided to expand the direct drive region of the torque converter in a five or six-speed automatic transmission apparatus for front wheel drive to greatly improve the power performance and fuel economy thereof. The apparatus has a first s... | 05/20/2003 |
| 6537173 | Transmission system for a bicycle A transmission system provided for a bicycle, including a primary transmission sub-assembly having a set of rear sprockets, whose number of teeth, from one sprocket to the next sprocket in the ascending order, varies according to a ratio of the numbers of... | 03/25/2003 |
| 6464612 | Three-speed transfer case A transfer case having an input shaft, an output shaft, and a planetary gearset connected therebetween. The planetary gearset includes a first sun gear, a second sun gear, a carrier coupled for rotation with the input shaft, a ring gear coupled for rotati... | 10/15/2002 |
