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| Number | Title | Issue Date |
| 8162116 | Double clutch system A twin clutch assembly for a drive train including a twin clutch transmission, and a drive unit coupled to the twin clutch transmission through a wet running twin multi disk clutch. A drive side output hub is non-rotatably connected with a transmission input shaft t... | 04/24/2012 |
| 8162117 | Torque transmission device A torque transmission device in the drive train of a motor vehicle for transmitting torque, which has a clutch, particularly a dual-clutch, and a support tube that extends in the axial direction towards a housing, essentially a gear mechanism housing, and is radiall... | 04/24/2012 |
| 7975820 | Radial flow chamber for clutches in a clutch assembly The present invention broadly comprises a clutch assembly with a radial flow chamber including a first hub and a carrier. The first hub and carrier form at least one first opening and a first portion of at least one radial chamber or passageway in the clutch assembl... | 07/12/2011 |
| 7967122 | Torque transmission device A torque transmitting device in a drive train of a motor vehicle to transmit torque between an internal combustion engine having a drive shaft and a transmission having coaxial input shafts. The transmission input shafts are each non-rotatably connected with a respe... | 06/28/2011 |
| 7926636 | Twin clutch apparatus for power unit, power unit incorporating same, and vehicle incorporating same A twin clutch apparatus includes a first clutch, a second clutch, and a clutch outer member shared by the first and second clutches. The clutch outer member has groove portions formed therein having a width that gradually increases towards an open-end side of the cl... | 04/19/2011 |
| 7905338 | Twin clutch system for a transmission, particularly for a twin clutch transmission A twin clutch system for a transmission, particularly for a twin clutch transmission, including at least two clutches each having a clutch cover to which at least one disengaging system that actuates the clutches is fastened. According to the invention, a fastening ... | 03/15/2011 |
| 7900761 | Clutch system To provide a smaller clutch system with fewer component parts, the clutch system includes a first hydraulic clutch, which is provided between a power source and a first driven shaft, and a second hydraulic clutch, which is provided between the power source and a sec... | 03/08/2011 |
| 7874415 | Torque transfer device A torque transfer device, in particular in the drive train of a motor vehicle for torque transfer between a drive unit, in particular a combustion engine, and a transmission with at least one multi-disk clutch, in particular, a twin multi-disk clutch, comprising at ... | 01/25/2011 |
| 7861837 | Hydraulic clutch actuation system A hydraulic clutch actuation system is provided having a hydraulic clutch control device which includes one first clutch master cylinder that communicates via a first pressure-medium line with a first clutch slave cylinder, which is used for actuating a first clutch... | 01/04/2011 |
| 7854306 | Clutch assembly with an oil pump clutch housing and a carrier engaged with a clutch pack outer circumference The present invention broadly comprises a ring carrier with a wall arranged to engage at least a portion of an outer circumference of a clutch pack for a clutch assembly for a vehicle and a clutch housing with a wall arranged to engage at least a portion of an inner... | 12/21/2010 |
| 7823711 | Dual clutch pack dual operating clutch and method for adjusting same A dual automatic mechanically actuated wet clutch device, for operation within a fluid tight housing, for a dual input shaft transmission that includes tightly specified average spacing between friction plate surfaces where the average spacing is selected from betwe... | 11/02/2010 |
| 7810622 | Transmission clutches A transmission includes first and second clutch members rotatable about the same axis. An axial groove is formed in one of the members to distribute lubricating fluid to the other member. Preferably, clutch plates with radial grooves extend between the clutch member... | 10/12/2010 |
| 7766142 | Torque transmission device A torque transmission device for the application in the drive train of a vehicle, between a driven shaft of a drive unit and a transmission, with at least two transmission input shafts. The torque transmission device includes at least two friction clutches which res... | 08/03/2010 |
| 7686147 | Torque transmission device A torque transmitting device in a drive train of a motor vehicle to transmit torque between an internal combustion engine having a drive shaft and a transmission having coaxial input shafts. The transmission input shafts are non-rotatably connected with a respective... | 03/30/2010 |
| 7665590 | Coupling system A coupling system including at least two sub-units, one of which is pre-assembled on the engine side of a motor vehicle drive train, namely on the output shaft of the engine, and the other sub-unit is pre-assembled on the transmission side of the drive train. The pr... | 02/23/2010 |
| 7637362 | Clutch unit A clutch unit including a housing fixed to a flywheel, in which two axially displaceable pressure plates are housed fixed to the housing to form a first and a second clutch, each provided with a clutch disk, whereby the clutches may be independently operated by mean... | 12/29/2009 |
| 7556131 | Transmission housing A transmission housing for an automatic transmission that includes a first and second plurality of circumferentially spaced inwardly extending sets of protrusions connected to an inner surface of the transmission housing configured to engage clutch assemblies of a p... | 07/07/2009 |
| 7392890 | Torque transmitting unit A torque transmitting unit in the power train of a motor vehicle for transmitting torque between a drive unit having an output shaft and a transmission having at least one input shaft. A clutch is positioned between the transmission input shaft and the drive unit ou... | 07/01/2008 |
| 7370745 | Hydraulic clutch-release system A hydraulic clutch-release system has a dual-piston clutch actuator for actuating a twin clutch of an automated manual transmission of a vehicle. The actuator has pistons disposed coaxially with one another in a housing. The pistons are accommodated movably relative... | 05/13/2008 |
| 7351175 | Drive train for a motor vehicle A drive train for a motor vehicle includes a coupling device between a drive unit and a transmission for torque or moment transfer between the drive unit and the transmission. The coupling device has at least one coupling arrangement that can be activated by a press... | 04/01/2008 |
| 7350630 | Brake clutch mechanism An embodiment of the present invention involves a drive apparatus with a housing, a first and second axle mounted in the housing and a ring gear located within the housing. A brake clutch mechanism is located on each axle with a drive clutch assembly for selectively... | 04/01/2008 |
| 7347122 | Device for filtering rotation and transmission vibrations for motor vehicle comprising same A filtering device is provided for filtering vibrations transmitted by a rotating engine component (11) adapted to drive in rotation an output shaft (19), which device comprises a drive shaft damper (20) tuned at a frequency substantially locked... | 03/25/2008 |
| 7347803 | Drive apparatus for hybrid vehicle and control method and control device thereof A drive apparatus for a hybrid vehicle is provided with a motor, a clutch that transmits and cuts off a driving force between the motor and an engine, and a control device that performs an operation control for the motor and the clutch. If there is an engine start r... | 03/25/2008 |
| 7341134 | Clutch and brake unit A clutch and/or brake unit is described with at least three components that can rotate relative to each other, each of which is connected, fixed against rotation, with at least one disk. The disks can selectively be brought into frictional engagement, friction locke... | 03/11/2008 |
| 7325291 | Method for assembling a clutch system A method for assembling a clutch system on a drivetrain is proposed in which the clutch system is mounted on the transmission and in which the transmission is then connected to the engine block. ... | 02/05/2008 |
| 7322455 | Torque transmitting unit A torque transmitting unit in the power train of a motor vehicle for transmitting torque between a drive unit having an output shaft and a transmission having at least one input shaft. At least one clutch unit is positioned between the drive unit and the transmissio... | 01/29/2008 |
| 7322456 | Radially stacked dual dry clutch configuration A radially stacked dual dry clutch apparatus for a dual clutch transmission is provided. The apparatus includes a housing, an outer clutch mounted to the housing, and an inner clutch mounted to the housing. The outer clutch includes a first plurality of engageable c... | 01/29/2008 |
| 7318512 | Dual clutch transmission with radially nested clutches having a common disk carrier A dual clutch transmission having radially nested clutches includes an outer clutch having a plurality of first outer clutch disks, a plurality of first inner clutch disks, and a first inner support carrier, with the first inner clutch disks operatively mounted to t... | 01/15/2008 |
| 7311187 | Dual clutch transmission clutch cooling circuit A hydraulic circuit for controlling the application of pressurized cooling fluid to the clutches of a dual clutch transmission including a cooling unit in fluid communication with a source of the pressurized cooling fluid and adapted to exchange heat from the coolin... | 12/25/2007 |
| 7293637 | Modular twin clutch transmission input for hybrid vehicle An assembly for transmitting power from two power sources, such as an internal combustion engine and an electric motor having a rotor, to a transmission input shaft includes a clutch hub driveably connected to the rotor, a first clutch secured to the clutch hub for ... | 11/13/2007 |
| 7287634 | Torque transmitting unit and drive train for it The invention relates to a torque transmission device, especially for a drive train comprising an internal combustion engine and a twin-clutch transmission having two transmission input shafts and one transmission output shaft, each transmission input shaft being co... | 10/30/2007 |
| 7278523 | Dual clutch transmission with axially parallel clutches having an improved backing plate assembly A dual clutch transmission with an axially parallel clutches that includes a disc support having a first circumferential groove, a backing plate having a corresponding second circumferential groove, and an annular spring element adapted to concurrently fit within th... | 10/09/2007 |
| 7278525 | Internally and externally splined clutch hub for torque-transmitting mechanisms in a power transmission A transmission assembly in accordance with the invention includes a plurality of torque-transmitting mechanisms. A hub member of the assembly includes a radially extending wall, and a circumferentially extending wall formed integrally with the radially extending wal... | 10/09/2007 |
| 7267215 | Actuating device for transferring a control piston force of an engaging/disengaging device to a double clutch An actuating device for transferring a control force of an engaging/disengaging device to a double clutch for coupling a drive shaft to two transmission input shafts is described. The actuating device includes at least two first pistons corresponding to the first cl... | 09/11/2007 |
| 7264100 | Dual-clutch assembly A dual clutch assembly includes a torsional vibration damper and a dual clutch. The vibration damper has a primary side which can be coupled to a driving member for joint rotation about an axis, a secondary side which is rotatable about the axis, and a damper elemen... | 09/04/2007 |
| 7255038 | Piston for automatic transmission A piston for an automatic transmission includes: (a) a cylindrical wall portion provided by a first piston member; (b) a bottom wall portion provided by a second piston member; and (c) an engaging portion at which the first and second piston members are engaged with... | 08/14/2007 |
| 7252184 | Transfer gearbox A transfer case (12) for distributing a driving torque of an input shaft (19) between two drivable output shafts (22, 29) is described. The transfer case (12) is realized with two controllable and adjustable frictionally engaged clutches ... | 08/07/2007 |
| 7249665 | Double clutch A double clutch for a transmission with two transmission input shafts is disclosed having two clutches which can rotate about a common rotational axis, are arranged one behind the other in the axial direction, and have a common driving outer plate support and which ... | 07/31/2007 |
| 7246692 | Dual clutch mechanism for a transmission A dual clutch mechanism includes an input shaft, a first output shaft and a second output shaft. The input shaft is axially spaced from the first and second output shafts, which can allow for a decreased diameter of the dual clutch mechanism. Axially spacing the inp... | 07/24/2007 |
| 7234579 | Multiple clutch assembly A multiple clutch assembly for use in the power train of a motor vehicle between a prime mover and a change-speed transmission. A hub is coupled to a pumping device for an operating fluid. The pumping device is located radially outwardly of two coaxial, interfitted ... | 06/26/2007 |
