Quotables
"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7971696 | Dual mass clutch flywheel and clutch, and a method for manufacturing such dual mass clutch flywheel In order to realize an idling disengagement by simple structural means in a dual mass clutch flywheel, a separation is provided between the damper system and spring system of a torsional vibration damper in this dual mass clutch flywheel. ... | 07/05/2011 |
| 7784595 | Integrated clutch assembly damper arrangement A clutch assembly and damper arrangement is provided that includes a driver hub and a driven element coupled to the driver hub by a compliance element. A clutch is provided that is selectively engageable to the driven element. The clutch has a housing supporting the... | 08/31/2010 |
| 7703591 | Dual mass clutch flywheel and clutch, and a method for manufacturing such dual mass clutch flywheel In order to realize an idling disengagement by simple structural means in a dual mass clutch flywheel, a separation is provided between the damper system and spring system of a torsional vibration damper in this dual mass clutch flywheel. ... | 04/27/2010 |
| 7690489 | Clutch including damper springs A clutch for effectively prevents a clutch outer from tilting at the time when torque is varied. The clutch includes damper springs for transmitting, to a clutch outer, torque inputted to a driven gear, and a thrust washer for regulating positional change of a posit... | 04/06/2010 |
| 7484607 | Torsional vibration damper A torsional vibration damper in a gearbox housing has an input part connected to a drive and acts on a first damping unit and an intermediate part which acts as the output of the first damping unit and as the input of a second damping unit. The torsional vibration d... | 02/03/2009 |
| 7431138 | Start-up clutch assembly A start-up clutch including a disk clutch having an outer disk carrier and an inner disk carrier with a multi-disk clutch pack disposed therebetween. The multi-disk clutch pack is adapted to engage and provide torque translation between the inner and the outer carri... | 10/07/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7264102 | Clutch driven disc with wave washer A driven disc is provided that includes a hub assembly having an axis of rotation and a hub having at least one of a first radially extending projection and a first recess. The driven disc also includes a disc assembly having a disc plate rotatable relative to the h... | 09/04/2007 |
| 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 |
| 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 |
| 7134361 | Flywheel and mounting method for same In order to suppress axial vibration in a crank system, prevent knocking sound, and reduce vibration noise, a flywheel (1) which is mounted onto the crankshaft of an engine (E) is made into a spoked form having an uneven number of spokes (5). This prev... | 11/14/2006 |
| 7070009 | Vibration isolation mount system (ISO) A power tool includes vibration isolation material positioned between an engine shroud and a drive shaft housing. The vibration isolation material isolates the drive shaft housing from engine vibration for radial, axial, and torsional movement without utilizing inte... | 07/04/2006 |
| 7017724 | Clutch assembly A clutch assembly for starting a vehicle without using a torque converter has a simple structure yet providing high reliability. In the clutch assembly, a clutch and a damper device are housed in a housing connected to a crank shaft of an engine. A boss serving as a... | 03/28/2006 |
| 7000492 | Axial adjusting device with spring support during the return motion An axial adjusting device includes two discs which are rotatable relative to one another and coaxially supported relative to one another, between which two discs balls are guided in pairs of ball grooves. The depth of the pairs of ball grooves is variable across the... | 02/21/2006 |
| 7000749 | Ratchet one-way clutch, and stator apparatus using the same In a ratchet one-way clutch including an inner race, an outer race provided coaxially with the inner race, a pawl member for transmitting torque between the inner race and the outer race, and a damper mechanism for absorbing shock at the time of engagement of the pa... | 02/21/2006 |
| 6978874 | Starting clutch In the starting clutch, an electrical pump or an engine pump is omitted and a substitutive pump mechanism is obtained with a simple construction thereby to circulate lubricating oil within the starting clutch. There is provided a starting clutch in which lubricating... | 12/27/2005 |
| 6966413 | Dynamic damper and propeller shaft This invention provides a dynamic damper 10, in which convex portions 21 protruded in the direction of the inside diameter are provided at plural positions along the circumference of the outer pipe 20, and an elastic body 40 is held betwe... | 11/22/2005 |
| 6868949 | Start-up clutch assembly A start-up clutch assembly (10) for translating torque between a prime mover and a transmission includes a drive member (16) and a clutch pack (30) is supported between the drive (16) and driven members (24). The clutch pack (30... | 03/22/2005 |
| 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 |
| 6830139 | Multi-clutch arrangement A multi-clutch arrangement, especially a dual clutch for motor vehicles, comprising a first clutch area with a first pressure plate arrangement, with a first opposing support arrangement, and with a first clutch disk arrangement, which can be clamped between the fir... | 12/14/2004 |
| 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 |
| 6758315 | Hydraulic clutch with a turbine torsional vibration damper A hydraulic clutch has an impeller wheel, a turbine wheel with a turbine wheel shell, and a torsional vibration damper. The turbine wheel is drivable by the impeller wheel. The turbine wheel shell is mounted in an axial and radial sliding bearing so as to be rotatab... | 07/06/2004 |
| 6752232 | Drive unit The drive unit for a motor vehicle, has an input drive shaft connected to a starting element, which unit has an automatic transmission connected to the starting element and also possesses a first output drive shaft, which is connected to the rear wheel drive of a mo... | 06/22/2004 |
| 6732844 | Ratchet one-way clutch and stator using ratchet one-way clutch The present invention provides a ratchet one-way clutch comprising an inner race, outer race disposed for a relative rotation respect to the inner race and in concentric with the latter, recessed portions formed in one of an outer periphery of the inner race and an ... | 05/11/2004 |
| 6688442 | Power transmission device A power transmission device is proposed which makes it easy to start on a slope. A control type slip clutch and a mechanical type control type two-way clutch are mounted between an input shaft to which the rotation of an engine is transmitted and an outpu... | 02/10/2004 |
| 6679364 | One-way clutch assembly A one-way clutch assembly comprising a ratchet one-way clutch portion includes inner and outer races which are disposed in coaxial with each other, a pawl capable of being fitted into a recess provided in the inner or outer race to transmit torque, and a ... | 01/20/2004 |
| 6666313 | Dual mass clutch system A dual mass flywheel and clutch system for minimizing torsional vibration levels during engine start-up and during low speed engine operation where the rotational moment of inertia of a clutch input assembly is minimized to raise the torsional natural fre... | 12/23/2003 |
| 6648117 | Starting clutch and method for controlling same The present invention provides a starting clutch in which an input side element and an output side element are joined together by applying an axial load thereby to transmit a power, which clutch comprises an urging device for always providing the axial lo... | 11/18/2003 |
| 6634477 | Clutch assembly The torque transmitting connection between the output shaft of the prime mover and the input shaft or shafts of the transmission in the power train of a motor vehicle is established by a torsional vibration damper and a clutch assembly. The damper has an ... | 10/21/2003 |
| 6619455 | Clutch disk A clutch disk includes a hub area and a plurality of friction lining elements arranged in sequence in the circumferential direction relative to a clutch disk rotational axis, each providing at least part of an associated friction surface area. The frictio... | 09/16/2003 |
| 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 |
| 6547053 | Torsional vibration damper A torsional vibration damper is used for reducing or eliminating torsional vibrations in a vehicle driveline. A hub portion includes an elongated body with a first axial dimension. A disk portion is supported by the hub portion and has a second axial dime... | 04/15/2003 |
| 6450314 | Apparatus for damping torsional vibrations Apparatus for damping torsional vibrations in the power train of a motor vehicle has two coaxial flywheels one of which is driven by the engine and the other of which can transmit torque to the input shaft of a transmission by way of a friction clutch. Th... | 09/17/2002 |
| 6401897 | Device for transmitting torque The invention relates to a device for transmitting torque, more particularly from an internal combustion engine to a transmission on the output side in a motor vehicle, and to a method for assembling and dismantling as well as maintaining this device.... | 06/11/2002 |
