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| Number | Title | Issue Date |
| 8187139 | Planetary kinematic arrangement suitable for idle engine stop A multiple speed power transmission, comprising: a gearbox input shaft; an output shaft; and a collection of gears, friction clutches, and passive couplers capable of transmitting power from the gearbox input shaft to the output shaft with eight forward speed ratios... | 05/29/2012 |
| 8137233 | Wrap-around driveline with multi-speed transmission A vehicle driveline includes a multi-speed transmission that has four planetary gear sets having continuous interconnections and five torque-transmitting mechanisms selectively engagable to establish eight forward and at least one reverse speed ratio between the tra... | 03/20/2012 |
| 8105198 | Transmission having at least eight speeds A transmission of the present invention has 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 tor... | 01/31/2012 |
| 8047954 | Multi-speed transmission A transmission of the present invention has 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 tor... | 11/01/2011 |
| 8038567 | Eight speed automatic transmission An automatic 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 to... | 10/18/2011 |
| 8007399 | Automatic transmission An automatic transmission includes a first planetary gear set; a second planetary gear set; a third planetary gear set; an input shaft; an output shaft; and five friction elements. A first ring gear is constantly locked. A third sun gear is connected with a first su... | 08/30/2011 |
| 7871351 | Efficient eight speed automatic transmission The present invention provides an eight speed automatic transmission for motor vehicles having three planetary gear sets, four friction clutches, a friction brake, a band brake and an optional overrunning clutch. The eight speed transmission according to the present... | 01/18/2011 |
| 7871352 | Eight speed automatic transmission An automatic 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 to... | 01/18/2011 |
| 7833124 | Power train of an automatic transmission for a vehicle A power train of an automatic transmission includes an input shaft connected to a torque converter; an output gear; a transmission case; a first planetary gear set including a first operating member fixedly connected to the input shaft, a second operating member fix... | 11/16/2010 |
| 7674202 | Eight speed transmission An eight speed automatic 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 me... | 03/09/2010 |
| 7637840 | Planetary transmission, especially dual-clutch planetary transmission A dual clutch planetary transmission (1) having at least four planetary gear sets (P1 to P4), at least two frictional shifting elements (K1, K2) for the shifting into different power paths in a power flow, and a plurality of shape-... | 12/29/2009 |
| 7524258 | Vehicular automatic transmission A vehicular automatic transmission including a first planetary gear device and a first set of frictional coupling elements, which can be supported by a pump housing via first and second retainer rings, at predetermined axial positions within the pump housing, during... | 04/28/2009 |
| 7524259 | Wide ratio transmission with four planetary gear sets and four brakes The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having seven torque-transmitting mechanisms and three fixed... | 04/28/2009 |
| 7488269 | Automatic transmission An automatic transmission having first and second groups of successive forward-drive positions for outputting a rotary motion a speed of which is higher than the speed of a rotary motion received from an input member, the first group being established by an engaging... | 02/10/2009 |
| 7442145 | Multi-Speed transmissions with a long pinion The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least six forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having up to seven torque-transmitt... | 10/28/2008 |
| 7429230 | Multi-stage automatic transmission A multi-stage automatic transmission for a motor vehicle with standard drive has one overdrive front-mounted gearset (VS) which is connected with one input shaft (AN), a multi-member main gearset connected with one output shaft (AB) and connectable with one output e... | 09/30/2008 |
| 7402119 | Multi-speed transmission for vehicle A transmission can be provided which achieves multiple speeds while maintaining good balance of gear ratio steps between gears by having a first clutch which selectively connects a first intermediate output member and a fourth rotating element RE4 together, a... | 07/22/2008 |
| 7384365 | Multi speed transmission A transmission is provided having a planetary gearset having respective first, second, and third members, and a compound gearset having respective first, second, third, fourth, and fifth members. The transmission also includes a plurality of selectively engageable t... | 06/10/2008 |
| 7371203 | Electrically variable transmission having three planetary gear sets and two fixed interconnections and a stationary interconnection 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 ... | 05/13/2008 |
| 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 |
| 7354376 | Multi speed transmission A transmission is provided having a planetary gearset having respective first, second, and third members, and a compound gearset having respective first, second, third, and fourth members. The transmission also includes a plurality of selectively engageable torque t... | 04/08/2008 |
| 7341537 | Multi-speed transmission A transmission is provided having at least three planetary gearsets, each having respective first, second, and third members, and six selectively engageable torque transmitting devices configured to selectively interconnect selected members of the planetary gearsets... | 03/11/2008 |
| 7329206 | Starting device for motor vehicles A starting device has a first friction element, a second friction element, and a control unit controlling them to change their power transmission states. The friction elements are arranged between an engine and wheels. The control unit controls the first element to ... | 02/12/2008 |
| 7325812 | Grip assembly for clutch cap, front sleeve, rear sleeve and method of making A grip assembly for one of a clutch cap for a clutch mechanism, a rear sleeve or front sleeve for a chuck assembly having a chuck mechanism with a plurality of adjustable jaws. The grip assembly includes an inner sleeve having open top and an open bottom opposite th... | 02/05/2008 |
| 7311635 | Seven speed transmissions with all positive rotation components in forward speeds Seven speed transmissions are provided that include four planetary gear sets having six torque-transmitting mechanisms with various fixed interconnections to provide seven forward speed ratios and three reverse speed ratios. The powertrain includes an engine and tor... | 12/25/2007 |
| 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 |
| 7303501 | Multi-speed planetary transmissions having seven torque-transmitting devices and two fixed interconnections The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 12/04/2007 |
| 7300378 | Multi-speed planetary transmissions having clutched input members and providing at least eight speed ratios The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 11/27/2007 |
| 7300376 | Electromagnetic selection device for a two-stage planetary gear set An electromagnetic selection device of a two-stage planetary gear set (1) having one input shaft (2) and one output shaft (3), one sun gear (8), one ring gear (11), one planet carrier (10) with planetary gears (9), on... | 11/27/2007 |
| 7294087 | Automatic transmission An automatic transmission including a mechanical reduction gear connected to an input shaft that generates a decelerated rotation smaller than a rotation of the input shaft from a decelerated rotating member and a compound planetary gear for shifting with a first el... | 11/13/2007 |
| 7288039 | Multiplexed pressure switch system for an electrically variable hybrid transmission A powertrain has an electrically variable hybrid transmission having an electro-hydraulic control system, plurality of electrical power units, and a plurality of torque transmitting mechanisms selectively engageable by the electro-hydraulic control system to provide... | 10/30/2007 |
| 7285066 | Multiplexed trim valve system for an electrically variable hybrid transmission A powertrain has an electrically variable hybrid transmission having an electro-hydraulic control system, plurality of electrical power units, and a plurality of torque transmitting mechanisms selectively engageable by the electro-hydraulic control system to provide... | 10/23/2007 |
| 7285069 | Multi-speed power transmission A powertrain incorporates a multi-speed planetary transmission having four planetary gearsets and seven torque-transmitting mechanisms. The planetary gearsets are interconnected and controlled by the torque-transmitting mechanisms in combinations of two, such that e... | 10/23/2007 |
| 7261659 | Electrically variable transmission having two planetary gearsets 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 ... | 08/28/2007 |
| 7261666 | Multi-speed planetary transmissions having seven torque transmitting devices engaged in combinations of five The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 08/28/2007 |
| 7250019 | Multi-speed planetary transmissions having a stationary member and seven torque-transmitting devices The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 07/31/2007 |
| 7247120 | Multi-speed planetary transmissions having seven torque-transmitting devices engaged in combinations of two The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ... | 07/24/2007 |
| 7247119 | Multi-speed planetary power transmission A power transmission for use in a powertrain has an input shaft, an output shaft, an input planetary gearset, and an output planetary gearset. The planetary gearsets are controlled through the selective engagement of seven torque-transmitting mechanisms, three of wh... | 07/24/2007 |
| 7232400 | Two speed transmission The present invention provides a final drive for a vehicle including a compound gear set comprising an input, an output and first and second epicyclic gear sets, each epicyclic gear set comprising a sun gear, at least one planet gear, a planet carrier and a ring gea... | 06/19/2007 |
| 7226381 | Nine-speed transmissions with four planetary gear sets Nine-speed transmissions are provided that include four planetary gear sets having six torque-transmitting mechanisms and various fixed interconnections to provide nine forward speed ratios and a reverse speed ratio. The powertrain includes an engine and torque conv... | 06/05/2007 |
