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| Number | Title | Issue Date |
| 7493997 | Drive train A drive train having a clutch assembly for transmitting torque between an engine and a transmission. The clutch assembly is selectable for transmitting torque between the engine and the transmission and includes at least one friction clutch, the clutch assembly bein... | 02/24/2009 |
| 7401690 | Damped clutch plate system and method The invention seeks to minimize the vibration and noise in a clutch plate system, by damping either or both the clutch plate and pressure plate with the use of various engineered viscoelastic materials. A clutch plate assembly is provided, comprising a plate body ha... | 07/22/2008 |
| 7353929 | Clutch lever arrangement A clutch lever arrangement for a clutch, especially for a commercial motor vehicle clutch, having a clutch lever pivotably supported on a bearing point on a stationary component. The lever has a force-application section for introducing an actuating force by way of ... | 04/08/2008 |
| 7331438 | Solenoid clutch coupling To prevent coupling breakage between an elastic body and an outer ring due to friction heat of an armature and a rotor, an solenoid clutch coupling is provided with an elastic body (3) elastically coupling a hub (10) attached to a rotation shaft (6 | 02/19/2008 |
| 7275628 | Overrunning coupling assembly having improved shift feel and/or noise reduction An overrunning coupling assembly having improved shift feel and/or noise reduction is provided. The assembly includes planar first and second members rotatable about a first axis. In a locked position, torque transfer is permitted between the first and second member... | 10/02/2007 |
| 7234581 | Centrifugal clutch, and method of making same A centrifugal clutch includes vibration isolation ring. The vibration isolation ring reduces or prevents the occurrence of squeaking noises due to the vibration of the clutch outer cover. The vibration isolation ring can be made with a large wall thickness, thereby ... | 06/26/2007 |
| 7201263 | Viscous damper A viscous damper for driving accessories by a crankshaft though a viscous coupler of the viscous damper. The rotational driving force of the crankshaft is transmitted to the viscous damper hub through the meshing of a large diameter gear and a driven gear, the visco... | 04/10/2007 |
| 7195111 | Clutch device having a clutch damper and dual-mass flywheel assembly In a clutch device 1, a second flywheel assembly 5 is axially movable within a predetermined range relative to a crankshaft 2, and a flywheel 21 has a friction surface 21a on a side remote from an engine. The damper mechanis... | 03/27/2007 |
| 7188717 | Control apparatus for power train including continuously variable transmission A control apparatus for a power train including a continuously variable transmission and a clutch arranged in series with the continuously variable transmission is provided in which an engaging pressure of the clutch is first reduced until a slip occurs, and is then... | 03/13/2007 |
| 7163092 | Clutch linkage with vibration isolation and damping Attenuation of transmission of noise along a clutch linkage for a manual transmission clutch is achieved by providing a segmented linkage. A clutch pedal side segment has a substantially greater mass than does the clutch lever side segment. Bi-directional force betw... | 01/16/2007 |
| 7163095 | Clutch assembly with vibration damper A clutch assembly includes a hub with a hub friction surface and an inner surface that cooperate to define a cavity. A damper member is situated within the cavity and is in contact with the hub friction surface. The damper member is rotatable with respect to the hub... | 01/16/2007 |
| 7159703 | Clutch device having an elastic coupling for a flywheel In a clutch device 1, a clutch cover assembly 8 is attached to a second flywheel assembly 5 to bias elastically a frictional connection portion 54 against a friction surface 21a of a flywheel 21. A release device 1... | 01/09/2007 |
| 7134731 | Balance weight cartridge with enclosed balance media A weight comprising a cartridge having at least one interior chamber, the interior chamber at least partially filled with a flowable balance media, and wherein the cartridge is attached to the wheel in a position oblique to the radial centerline of a tire/wheel asse... | 11/14/2006 |
| 7083034 | Shift apparatus A gear shift device (2) for a motor vehicle comprises one cylinder (4) loaded with a pressure medium. Situated in said gear shift cylinder (4) is one gear shift piston (12) which divides the gear shift cylinder (4) into two working... | 08/01/2006 |
| 7063200 | Pulsation dampening apparatus and clutch master cylinder A pulsation dampening apparatus and a clutch master cylinder used for a hydraulic clutch operation system which has a hydraulic circuit. The apparatus has a housing which has a dampening chamber in the hydraulic circuit and a dampening assembly accommodated in the h... | 06/20/2006 |
| 7044284 | Disc and hub assembly for electromagnetic clutch in a compressor The present invention relates to a disc and hub assembly for an electromagnetic clutch of a compressor. The assembly comprises: a disc (120) adapted to be attracted to or separated from a friction surface of a pulley under the action of an electromagnetic coi... | 05/16/2006 |
| 7025187 | Electromagnetic clutch assembly An electromagnetic clutch assembly of the leaf spring type has leaf springs the inner ends of which are fixed to a drive plate by conventional rivets, and the outer ends of which are fixed to the armature plate by special rivets having enlarged diameter shanks that ... | 04/11/2006 |
| 7021448 | Clutch disk for a friction clutch A clutch disk for a friction clutch includes a friction lining carrier and at least one friction lining element, which is connected to the friction lining carrier for rotation in common with it, and which can shift in the circumferential direction relative to this c... | 04/04/2006 |
| 6915892 | Driving plate for multi-plate clutch system A driving plate for a multi-plate clutch system includes a plurality of external teeth adapted to be matingly engaged within corresponding internal teeth of a housing of the clutch system. The external teeth are disposed substantially equidistantly along the circumf... | 07/12/2005 |
| 6874607 | Friction clutch A friction clutch with a pressure plate 6, which is mounted nonrotatably but with freedom of axial movement in a clutch housing 5, this pressure plate 6 being actuated by a pressure spring 7 in the direction toward a clutch disk 8,... | 04/05/2005 |
| 6857514 | Damper mechanism A damper mechanism is provided to suppress the enlargement of a prescribed angle in a damper mechanism. A clutch disk assembly 1 has an input rotary member 2, a spline hub 3, a damper section 4, a large friction mechanism 13, a fri... | 02/22/2005 |
| 6823974 | Electromagnetic clutch An electromagnetic clutch reduces clutch operating noise at a low cost by utilizing elastic members which are suited to a spring force of a leaf spring. An approximate nonagonal leaf spring has an outer ring portion, attachment portions connected to a hub, and conne... | 11/30/2004 |
| 6820731 | Resilient sensor for self-adjusting clutch A clutch is provided including a clutch cover assembly including a cover rotatable about and axis. The pressure plate is spaced apart from the clutch cover assembly and is moveable along the axis for engaging the clutch member. A sleeve including a retainer is movea... | 11/23/2004 |
| 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 |
| 6811005 | Resilient device for splined connection A resilient device for minimizing noise in a splined connection includes a mounting portion and two flanges bent from the mounting portion to attach to a structure. The flanges are substantially parallel and spaced apart from each other by the mounting portion to fo... | 11/02/2004 |
| 6789655 | Damper mechanism A damper mechanism is provided to suppress the enlargement of a prescribed angle in a damper mechanism. A clutch disk assembly 1 has an input rotary member 2, a spline hub 3, a damper section 4, a large friction mechanism 13, a fri... | 09/14/2004 |
| 6763743 | Flywheel device for prime mover A flywheel device for a prime mover can be made compact in axial size and has an effectively increased inertial mass. The flywheel device includes a drive plate and a mass ring. The drive plate has an annular projection and is attached to a crankshaft concentric wit... | 07/20/2004 |
| 6745886 | Motor vehicle clutch pedal vibration absorber The invention concerns a vibration absorber (7) with a housing (8) wherein is mounted a block of elastic material (22) defining a cavity (9) and sealingly closing it. The invention is applicable to motor vehicles. ... | 06/08/2004 |
| 6742643 | Elastomeric damper for hydraulic clutch actuator A hydraulic clutch actuator system having a vibration damper in the system including an elastomeric diaphragm and a steel diaphragm. One face of the elastomeric diaphragm is in communication with fluid in the system so that the diaphragm may deflect in response to l... | 06/01/2004 |
| 6719112 | Torsion damping mechanism with auxiliary mass A torsion damping mechanism with a torsion damper with an input side and an output side, where the input side and the output side are connected elastically to each other by spring-type stored energy elements for rotation in common auxiliary mass which can rotate coa... | 04/13/2004 |
| 6705181 | Torque transmission apparatus A torque transmission apparatus absorbs torque fluctuations (vibrations) while limiting the size of the outside dimensions of a pulley. Elastomeric dampers and pendulum type vibration-absorbing mechanisms are located between an outer tube and an inner tube of a pull... | 03/16/2004 |
| 6695108 | Torque converter comprising a torsional vibration damper The invention relates to a starting unit for use in drive systems, especially of motor vehicles, which comprises a hydrodynamic speed/torque converter including at least one pump wheel, one turbine wheel and one stator, and comprises a torque converter lo... | 02/24/2004 |
| 6668995 | Variable inertia flywheel A variable inertia flywheel and clutch assembly having a primary flywheel mass rotationally fixed to an engine crankshaft and a secondary flywheel mass selectively engageable with a clutch disc, which is rotationally fixed to a transmission input shaft. A... | 12/30/2003 |
| 6634479 | Thrust plate for rollers of centrifugal clutch module An actuation module of a centrifugal clutch incorporates a plurality of actuating weights mounted on pivot links. The weights pivot radially outwardly under centrifugal forces induced by rotation of the actuation module. One weight is secured to each of t... | 10/21/2003 |
| 6626276 | Clutch disk A clutch disk has a hub area with a rotational axis, the hub area carrying a friction lining assembly radially outside of the hub area. A damper mass assembly can move circumferentially around the rotational axis relative to the hub area and the friction ... | 09/30/2003 |
| 6622843 | Electromagnetic clutch In an electromagnetic clutch, a rotor, an armature and a stator housing including an electromagnetic coil are assembled to a center hub through a bearing member. Therefore, by assembling the center hub to an engine crank shaft, an assembling operation of ... | 09/23/2003 |
| 6615962 | 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 spac... | 09/09/2003 |
| 6601682 | Clutch disc A power train between the output shaft of the engine and the input shaft of the transmission in the power train of a motor vehicle has a composite flywheel receiving torque from the output shaft and transmits torque to the input shaft by way of a clutch d... | 08/05/2003 |
| 6533665 | Torsion damping mechanism with auxiliary mass A torsion damping mechanism with a torsion damper with an input side and an output side, which are connected elastically to each other by spring-type stored-energy elements, and with an auxiliary mass which can rotate coaxially to the torsion damper. A co... | 03/18/2003 |
| 6431336 | Vibration attenuating apparatus and method for use on the damper spring of clutch disc In vibration attenuating apparatus and method for use on damper springs of a clutch disc, the clutch disc includes clutch plates, a clutch hub splinedly connected to a clutch shaft, frictional facings mounted on front and rear surfaces of the clutch plate... | 08/13/2002 |
