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| Number | Title | Issue Date |
| 8398492 | Damper having torque limiter function A damper includes an outer cover having a front cover and a rear cover. The covers are joined to form a lubricant oil accommodation chamber for accommodating liquid. A damper device, a limiter mechanism, a first plate including a first collar portion located toward ... | 03/19/2013 |
| 8167728 | Damper disk assembly and flywheel assembly To accomplish a superior characteristic for absorbing and damping torsional vibrations in a damper disk assembly and a flywheel assembly. A damper disk assembly includes a pair of plates 11 and 12, a flange 20, coil springs 16 and 17 | 05/01/2012 |
| 8033918 | Damper mechanism A damper mechanism 4 has an input rotary member 2, a hub flange 6, a large coil spring 8 and a friction generating mechanism 5. In a state in which the input rotary member 2 is twisted to one side in the rotational direction... | 10/11/2011 |
| 7824269 | Torque fluctuation absorbing apparatus A torque fluctuation absorbing apparatus includes a hub member with a flange portion, first and second side-plates provided at both axial sides of the flange portion, respectively, a damper mechanism absorbing a fluctuation of a relative torque generated between the... | 11/02/2010 |
| 7819751 | Torque fluctuation absorbing apparatus A torque fluctuation absorbing apparatus includes a first component member, a second component member, a third component member being movable relative to at least either one of the first component member and the second component member, an elastic member biasing the... | 10/26/2010 |
| 7377853 | Torque fluctuation absorbing device A torque fluctuation absorbing device includes a damping mechanism connected with an input shaft of a transmission. The damping mechanism has an approximately annular-shaped frictional member, which is fixed to both surfaces of a disc disposed at outer peripheral po... | 05/27/2008 |
| 7303025 | Motor-driven work apparatus A rotatably driveable work tool (1) of a motor-driven work apparatus has, at a front end (2, 3), an end plate (5, 6) lying perpendicularly to a rotational axis (4). The end plate (5, 6) has an outer diameter (DR) which i... | 12/04/2007 |
| 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 |
| 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 |
| 7252593 | Torsional-vibration damper A torsional-vibration damper rotatably supported for translating torque between a prime mover and the input of a transmission that includes a primary element operatively connected for rotation with the power take off of a prime mover and a secondary element operativ... | 08/07/2007 |
| 7244184 | Damper mechanism A damper mechanism 6 is provided to transmit torque while absorbing and damping torsional vibrations. A small coil spring 45 achieves characteristics of a low rigidity in a small torsion angle region of the torsion characteristics when compressed by ro... | 07/17/2007 |
| 7238112 | Torsional-vibration damper A torsional-vibration damper includes a primary element operatively connected for rotation with a prime mover and a secondary element operatively connected with the input to a transmission. A spring mechanism is operatively disposed between and adapted to control th... | 07/03/2007 |
| 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 |
| 7231822 | Machine and method for balancing a member during rotation A machine for balancing a rotating member includes hard bearing balancing apparatus for determining the magnitude and circumaxial location of imbalance. A sensor responds to the position of the rotating member. A computer receives signals from the balancing apparatu... | 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 |
| 7207889 | Damper mechanism A damper mechanism 6 is provided to transmit torque while absorbing and damping torsional vibrations. A small coil spring 45 achieves characteristics of a low rigidity in a small torsion angle region of the torsion characteristics when compressed by ro... | 04/24/2007 |
| 7204761 | Torsional vibration damper A torsional vibration damper is provided which comprises a primary mass, a secondary mass, and a damping unit. The primary mass defines a ring-shaped chamber, and the ring-shaped chamber is divided into at least two portions. The secondary mass is rotatably connecte... | 04/17/2007 |
| 7192354 | Damper mechanism and damper disk assembly A first damper mechanism 159 for absorbing and attenuating minute torsional vibration in a damper disk assembly for transmitting torque in a vehicle, has a plate spring 162. The plate spring 162 extends in the rotational direction having main su... | 03/20/2007 |
| 7140966 | Torsional vibration damper A torsional vibration damper is provided which comprises a primary mass, a secondary mass, and a damping unit. The primary mass defines a ring-shaped chamber, and the ring-shaped chamber is divided into at least two portions. The secondary mass is rotatably connecte... | 11/28/2006 |
| 7134963 | Frictional resistance generation mechanism A friction resistance generation mechanism is disposed between two relatively rotatable members of a rotating mechanism. The mechanism includes an input side disk-like plate 32, output side disk-like plates 30 and 31, first friction shims 61 | 11/14/2006 |
| 6659876 | Damper mechanism A clutch disk assembly has an input rotary member 2, a spline hub 3, a damper section 4, a friction mechanism 13, and a friction suppressing mechanism. The damper section 4 has second springs 8 and a torsion characteristic having a positive side correspon... | 12/09/2003 |
| 6634255 | Balancing device for a rotating body, in particular for a tool carrier with a tool rotating at high speed The device comprises at least two annular balancing elements (10) each having an unbalance and disposed in axial side by side relationship and coaxial with each other on the rotating body (6) to be balanced. The annular elements (10) are rotatable with th... | 10/21/2003 |
| 6622842 | Clutch disk A clutch disk including a hub area and a plurality of friction lining elements carried on the hub area, which are arranged in sequence around the circumference relative to the clutch disk rotational axis, and provide at least part of the friction surface ... | 09/23/2003 |
| 6612933 | Damper mechanism A damper mechanism is provided to achieve preferable vibration damping performances by providing different characteristics on positive and negative sides of torsion characteristics. In a damper mechanism of a clutch disk assembly 1, a plurality of coil sp... | 09/02/2003 |
| 6244963 | Dampening disk assembly A dampening disk assembly is provided with a dampening mechanism 108. The dampening mechanism 108 has a simplified structure with a spring and a friction generating mechanism, which provides a characteristic of a first step in a separated hub type dampeni... | 06/12/2001 |
| 5529161 | Friction clutch for a transmission of a motor vehicle and a torsional damper for a friction clutch A friction clutch can typically have a rotary power input member which can be rotationally engaged by means of a torsional damping device such as springs located between the input and output members. The output member can include a hub, non-rotationally c... | 06/25/1996 |
| 5505288 | Damper disc assembly A damper disc assembly is provided for transmitting a torque between an input rotary member and an output rotary member, including a hub, a flange, a first spring member, a support member, a second spring member and an input member. The hub is coupled wit... | 04/09/1996 |
| 5269725 | Torsion damping apparatus for use with friction clutches in the power trains of motor vehicles A torsion damping apparatus which is installed between the crankshaft of the engine and the friction clutch in a motor vehicle has two coaxial flywheels which are rotatable relative to each other against the opposition of a composite damper. The composite... | 12/14/1993 |
| 5246398 | Clutch disk with torsional damper device A clutch plate for use in friction clutches has an output component in the form of a hub which is connectable to the input shaft of a variable-speed transmission, and an input component in the form of two spaced-apart disc-shaped walls which receive torqu... | 09/21/1993 |
| 5213188 | Clutch disk for a motor vehicle friction clutch A clutch disk for a motor vehicle friction clutch is proposed of which the torsional vibration damper, designed for idle running, is arranged radially between a hub and springs of a torsional vibration damper designed for load running. The idling damper i... | 05/25/1993 |
| 5205389 | Clutch disk The invention relates to a clutch disk for a friction clutch in which a load and an idling system are provided. The idling system is bridged over by teeth (2a, 4) in the load system. A load friction disk (23) which simultaneously makes direct contact with... | 04/27/1993 |
| 5156249 | Torque transmitting apparatus with axially deformable primary flywheel An apparatus for transmission of torque between the crankshaft of an engine and the input shaft of a variable-speed transmission in a motor vehicle has a primary flywheel with a membrane which is connectable to the crankshaft, a secondary flywheel which i... | 10/20/1992 |
| 5151065 | Torsion damping apparatus for use with friction clutches in the power trains of motor vehicles A torsion damping apparatus which is installed between the crankshaft of the engine and the friction clutch in a motor vehicle has two coaxial flywheels which are rotatable relative to each other against the opposition of a composite damper. The composite... | 09/29/1992 |
| 5145463 | Three part torsional damper assembly with facing means for setting correct circumferential relationship of the parts A torsion damper assembly for an automotive clutch has a first part comprising a hub, a second part comprising two hub plates and a third part, the three parts being coaxial and rotatable independently of each other against springs acting over at least a ... | 09/08/1992 |
| 5139124 | Apparatus for compensating for fluctuations of torque between the engine and the transmission of a motor vehicle Apparatus for transmitting torque from the engine-driven crankshaft to the input shaft of the change-speed transmission in a motor vehicle has two coaxial flywheels which are rotatable relative to each other against the opposition of three series-connecte... | 08/18/1992 |
| 5135089 | Transmission clutch for a motor vehicle having a dynamic absorber A transmission clutch, for releasably coupling a driven shaft to a driving shaft, comprises a driving part and a driven part, with the driving part including a reaction plate and the driven part including a hub which is fixed to the driven shaft for rotat... | 08/04/1992 |
| 5135088 | Compact torque limiting clutch A compact torque limiting clutch provides spring cup bolt assemblies for interengaging a pressure plate and input plate and input flange on opposite sides of a friction flange of an output hub. The spring cup assemblies include bolts employed for securing... | 08/04/1992 |
| 5123877 | Torsion damping apparatus for use with friction clutches in the power trains of motor vehicles A torsion damping apparatus which is installed between the crankshaft of the engine and the friction clutch in a motor vehicle has two coaxial flywheels which are rotatable relative to each other against the opposition of a composite damper. The composite... | 06/23/1992 |
| 5117959 | Torsion damping device, in particular for automotive vehicles A torsion damping device includes a damper plate, a hub and a guide ring, all mounted coaxially with each other, together with a draw ring and a contact ring. A resilient gripping spring associated with the draw ring is, with the latter, confined axially ... | 06/02/1992 |
