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| Number | Title | Issue Date |
| 8006820 | Clutch damper spring pocket improvement A torsional damper with a hub assembly and a disc assembly has coil springs disposed therebetween. The coil springs are disposed in pockets defined in part by apertures in opposed cover plates. The apertures have sharply angled end portions providing deflection reli... | 08/30/2011 |
| 7434672 | Hub and clutch disk arrangement for a friction clutch, especially a multi-disk clutch A hub for a clutch disk arrangement having a friction lining unit with a radially inner set of teeth, the hub including a hub element which can be connected non-rotatably to a shaft; a torque-transmitting arrangement connected to the hub element and having a radiall... | 10/14/2008 |
| 7413067 | Dog clutch A first dog clutch member is coupled with a rotation transmitting member rotatably mounted on a power transmission shaft with a relative rotation clearance θ. A second dog clutch member is slidably mounted on the power transmission shaft to be engageable/disengagea... | 08/19/2008 |
| 7401687 | Dual clutch engine coupling damper A dual clutch engine coupling damper includes a slipping ECCC clutch in series with a plurality of damper springs, and a bypass clutch in parallel with the damper springs. The ECCC is adapted for use when the vehicle engine is running and the bypass clutch is adapte... | 07/22/2008 |
| 7357721 | Damper apparatus In a damper apparatus including springs, a holder for holding the springs, and a plate having pawls engaged by the springs, splines are provided on an inner peripheral portion and an outer peripheral portion of the damper apparatus. ... | 04/15/2008 |
| 7322454 | Fluid transmitting device with lock-up clutch In a fluid transmitting device, a plurality of first power transmission claws are inserted between adjacent ones of damper springs and secure to a clutch piston; and a plurality of second power transmission claws are inserted between adjacent ones of the damper spri... | 01/29/2008 |
| 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 |
| 7296667 | Torque converter with a rotary oscillation damper A torque converter with a rotary oscillation damper has two or more rotary damper components that are rotatable in relation to each other. A friction-reducing component is arranged between the rotary damper components. ... | 11/20/2007 |
| 7267212 | Torsional vibration damper A torsional vibration damper for a lockup clutch of a hydrodynamic clutch arrangement is provided with a drive-side transmission element and a driven-side transmission element which can deflect around a rotational angle relative to each other against the action of e... | 09/11/2007 |
| 7267211 | Damper device and lock-up clutch device In a damper device of a lock-up clutch-equipped torque converter which has at least two rotating members that have a common rotation axis and are rotatable relatively to each other via an elastic member, an axial-direction support portion that supports the at least ... | 09/11/2007 |
| 7264101 | Start-up clutch and torsional-vibration damper assembly A start-up clutch and torsional-vibration damper assembly including a disk clutch having an outer disk carrier and an inner disk carrier, and a torsional vibration damper having a primary element, a secondary element, and a spring dampening mechanism. The spring dam... | 09/04/2007 |
| 7241224 | Torsional vibration damper A torsional vibration damper includes a primary mass defining a ring-shaped chamber, a secondary mass relatively rotatably connected to the primary mass, and a damping unit for coupling the primary and secondary masses to each other in a rotationally elastic manner.... | 07/10/2007 |
| 7232402 | Motor driven auxiliary pump for electrically-variable transmission torsional damper The present invention relates to a torsional damper for an electrically-variable transmission. The torsional damper is equipped with a hydraulically actuable lock-out clutch to directly couple the engine to the input shaft of the transmission. The electric motors pr... | 06/19/2007 |
| 7228950 | Fluid transmission apparatus with lockup clutch A transmission apparatus is disclosed which can improve the locking response speed of a lockup clutch when an engine is driven by the output side, without largely changing the structure of the lockup clutch or the like. In the lockup clutch of this transmission appa... | 06/12/2007 |
| 7226384 | Torsional damper for electrically-variable transmission with lock-out clutch assembly The present invention relates to a torsional damper for an electrically-variable transmission. The torsional damper is equipped with a lock-out clutch to directly couple the engine to the input shaft of the transmission. The electric motors provided with the electri... | 06/05/2007 |
| 7223202 | Hydraulic circuit for torsional damper assembly of an electrically variable transmission The present invention relates to a torsional damper for an electrically variable transmission. The torsional damper is equipped with a hydraulically actuable lock-out clutch to selectively directly couple the engine to the input shaft of the transmission. The electr... | 05/29/2007 |
| 7207888 | Torsional vibration damping device for motor vehicle clutch A torsional vibration damping device (1), in particular for a motor vehicle clutch, said device comprising a disc (60) and a support (80) mounted mobile in rotation relative to each other about a common main axis, and linked in rotation via circ... | 04/24/2007 |
| 7191879 | Hydrokinetic coupling apparatus and method for mounting same A coupling apparatus for a motor vehicle, including a hub designed to link in rotation an output shaft and a turbine wheel a clutch for locking the coupling between the input shaft and output shaft. A locking piston is axially mobile between a wall integral with the... | 03/20/2007 |
| 7147090 | Hydrodynamic torque transmitting device A hydrodynamic torque transmitting device is disclosed that overcomes problems created by the presence of a thrust washer therein. In a torque converter 1 according to the present invention, a piston 41 is disposed between a front cover 2 and a ... | 12/12/2006 |
| 7102850 | Balancing a rotatable body in multiple planes using invertible balancing plugs Multiple balancing plugs (114) preferably have a common length and a common offset center of gravity (130) in the length dimension for providing dual plane balancing of a rotatable body (100). The rotatable body (100) includes a plurality... | 09/05/2006 |
| 7083029 | Power transfer apparatus with fluid coupling Apparatus for transmitting torque between the output shaft of the engine and the input shaft of the transmission in a motor vehicle has a fluid coupling with a housing secured to the output shaft and containing an impeller, a runner and, if necessary, a guide wheel.... | 08/01/2006 |
| 7077253 | Torque converter A hydrokinetic torque converter, particularly for use in the power train of a motor vehicle, has a housing which can receive torque from the prime mover of the vehicle and drives a pump adapted to rotate a turbine on the input shaft of the change-speed transmission.... | 07/18/2006 |
| 6997298 | Dual clutch assembly for a motor vehicle powertrain A powertrain for transmitting torque between a power source and a transmission includes an output shaft driven by the power source, first and second input shafts, a housing, a first flywheel rotatably supported on the housing, a second flywheel rotatably supported o... | 02/14/2006 |
| 6988601 | Torque converter A torque converter which has a pump wheel, a turbine wheel, and a stator, which form a hydrodynamic circuit, and also a torsional vibration damper with a primary and a secondary damper element. The primary and the secondary damper element are connected to each other... | 01/24/2006 |
| 6948603 | Hydraulic torque converter A hydraulic torque converter, particularly for use in a motor vehicle between the prime mover and the transmission of the power train, employs a combination of a bypass clutch with one or more torsional vibration dampers which brings about savings in space and/or in... | 09/27/2005 |
| 6938744 | Piston coupling mechanism, lockup device for a fluid-type torque transmission device, elastic coupling mechanism, and spring installation method for an elastic coupling mechanism A lockup device 7 is provided with a clutch mechanism, an elastic coupling mechanism, a piston 75, and a piston coupling mechanism 76. The piston coupling mechanism 76 has a piston pilot 78 and a return plate 79 and serves t... | 09/06/2005 |
| 6938743 | Hydrokinetic coupling apparatus, in particular for motor vehicles Hydrokinetic coupling apparatus with an axis of rotation X—X, in particular for motor vehicles, in which the connection without clearance between the turbine wheel, the turbine hub and the input element of the damping device is accomplished by axial rivets. Bearin... | 09/06/2005 |
| 6926131 | Hydrokinetic coupling appliance, in particular for motor vehicle A hydrokinetic coupling appliance, in particular for a motor vehicle, comprising a housing (30) provided with a transverse wall (3), designed to be coupled in rotation to an input shaft, a turbine wheel (12) housed inside the housing (30)... | 08/09/2005 |
| 6915886 | Bridging clutch A bridging clutch is installed in a fluid medium-filled housing of a hydrodynamic coupling device located between a drive shaft and a transmission input shaft, the coupling device also containing a pump wheel and a turbine wheel. The bridging clutch is provided with... | 07/12/2005 |
| 6886676 | Hub ring, cover plate and clutch disk A hub ring for use in a clutch disk includes an inner circumference which can engage a hub; and a pair of axially opposed front sides. At least one of the front sides has means for positively engaging a structural component arranged against the respective front side... | 05/03/2005 |
| 6866130 | Torque converter A torque converter includes a torque input member, a first torque transmitting member hydrodynamically transmitted with a torque from the torque input member and capable of outputting the torque to a torque output member, a clutch member engageable with the torque i... | 03/15/2005 |
| 6866129 | Lockup device for fluid-type torque transmission device A lockup device 7 having a dual friction surface to make it possible to arrange a friction coupling part on the outside with respect to the radial direction is provided. The lockup device 7 has a clutch plate 71, a drive plate 72, a drive... | 03/15/2005 |
| 6863167 | Dual formed spring cover A driven disk in a clutch comprises a hub having a flange extending radially therefrom and having a spring cover affixed thereto. The spring cover defines at least one spring cavity therein and has two ends. Opposing first portions of the two ends define a first cav... | 03/08/2005 |
| 6837348 | Hydrodynamic clutch device A hydrodynamic clutch device for a hydrodynamic torque converter includes a turbine wheel for rotation about an axis of rotation. The turbine wheel is connected by a lockup clutch arrangement for transmitting torque to a housing arrangement. The turbine wheel includ... | 01/04/2005 |
| 6837347 | Lockup device for fluid-type torque transmission device A lockup device 7 is provided with a plurality of friction surfaces to absorb and damp torsional vibrations to increase capacity. The lockup device 7 functions both as a clutch and as an elastic coupling mechanism. The lockup device 7 has a clut... | 01/04/2005 |
| 6832672 | Hydraulic clutch with a turbine torsional vibration damper A hydraulic clutch has an impeller wheel, a turbine wheel with a turbine wheel shell, a turbine torsional vibration damper and a lockup clutch. The turbine wheel shell receives a connection element with which it acts on the torsional vibration damper. The lockup clu... | 12/21/2004 |
| 6827187 | Hydrodynamic coupling device A hydrodynamic coupling device, in particular a torque converter or fluid clutch, comprises a housing assembly, a turbine wheel provided inside the housing assembly, and a torque converter lockup clutch assembly for establishing a torque transmission connection as d... | 12/07/2004 |
| 6814194 | Hydraulic torque converter A hydraulic torque converter, particularly for use in a motor vehicle between the prime mover and the transmission of the power train, employs a combination of a bypass clutch with one or more torsional vibration dampers which brings about savings in space and/or in... | 11/09/2004 |
| 6796411 | Hydrodynamic clutch device A hydrodynamic clutch device comprises an impeller wheel with a plurality of impeller wheel blades arranged successively in circumferential direction about an axis of rotation, a turbine wheel which is located axially opposite the impeller wheel and which has a plur... | 09/28/2004 |
| 6793058 | Clutch disk arrangement for a multi-disk clutch A clutch disk arrangement for a multi-disk clutch includes a hub element connectable to a shaft for rotation with the shaft about an axis of rotation. A carrier arrangement has a first carrier element and a second carrier element. The first carrier element is connec... | 09/21/2004 |
