| Patents for F16D 47 - Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the following sets of groups:; ; ; ; (1,003) |
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| 01/23/1996 | US5485904 Clutch ball ramp actuator with drive and coast apply |
| 01/11/1996 | DE4424255A1 Torque transmitting clutch between two relatively rotary parts |
| 12/14/1995 | DE4420442A1 Device for moving load with rotating shaft, e.g. stacking lift for sheet feeding device |
| 11/28/1995 | US5469948 For coupling two rotating elements |
| 08/30/1995 | EP0669480A1 Clutch ball ramp actuator with drive and coast apply |
| 08/30/1995 | EP0669479A1 Clutch ball ramp actuator with coast lock |
| 07/11/1995 | US5431603 Transfer case having selective drive fluid coupling |
| 07/04/1995 | US5429219 Rotation transmission device |
| 06/29/1995 | DE4444242A1 Vehicle clutch arrangement for combustion engine machine |
| 05/11/1995 | DE4415031C1 Hydrodynamic device as a heating generator for a motor vehicle |
| 02/14/1995 | US5388679 Torque transmission device of a four-wheel drive vehicle |
| 01/19/1995 | WO1995002134A1 Transfer case having selective drive fluid coupling |
| 12/27/1994 | US5375687 Torque transmission device of a four-wheel drive vehicle |
| 12/20/1994 | US5374218 Assembly for compensation of fluctuations of torque |
| 11/22/1994 | US5366419 Power transmission device including a lubricated electromagnetic clutch |
| 11/03/1994 | DE4314059A1 Cooling fan for internal combustion engines |
| 09/20/1994 | US5348126 Multifunctional energy-saving system for vehicles including an automatic clutch unit with both differential and anti-slip capabilities |
| 08/16/1994 | US5339145 Torque transmitting coupling and image forming apparatus employing same |
| 08/16/1994 | US5338266 Differential transmission device and viscous coupler, especially for a motor vehicle |
| 08/02/1994 | US5333711 Freewheeling device for four wheel drive vehicles |
| 06/21/1994 | US5322484 Locking differential with clutch activated by electrorheological fluid coupling |
| 05/24/1994 | US5314039 Drive assembly for a four wheel drive vehicle, having a disconnectable viscous coupling |
| 04/21/1994 | DE4234596A1 Electro magnetic coupling with sliding assembly to eliminate axial thrust - has toothed shock=cushioning elastomer ring which slides under axial thrust imposed by load to neutralise coupling stress |
| 03/02/1994 | EP0585214A1 Clutch and braking device |
| 01/04/1994 | US5275268 In an automatic transmission |
| 12/29/1993 | CN1023339C Power saving safety coupling |
| 12/28/1993 | US5273147 Self-locking freewheeling unit operated by centrifugal forces |
| 12/14/1993 | US5269399 Device for transmitting driving force |
| 12/07/1993 | US5267433 Air turbine starter having a dual clutch |
| 09/30/1993 | WO1993019310A1 Vehicle drivetrain hydraulic coupling |
| 08/10/1993 | US5234087 Pressure medium actuated method and friction clutch with exclusively axially movable friction discs |
| 08/04/1993 | EP0554138A1 Device for transmitting torque between a drive and a driven member |
| 07/28/1993 | EP0552772A1 Power transmission device |
| 07/28/1993 | CN1074659A Vehicle high-effciency and energy-saving multi-function system |
| 07/07/1993 | EP0549828A1 Rotary coupling for torque transmission |
| 05/04/1993 | CA1317243C Driving power transmission device |
| 04/21/1993 | CN2130220Y Controlable composite clutch for automobile |
| 03/25/1993 | DE4131046A1 Visco-ventilator coupling with emergency bridging - has, for emergency operation, direct connection between driven shaft and ventilator |
| 03/18/1993 | WO1993005312A1 Inertia running device for automobile |
| 03/18/1993 | DE4205997C1 Shaft with universal joint for drive of farm machinery - has fork with end sections having cross-piece mounted and drive shaft connected by claw coupling |
| 02/16/1993 | US5186693 Automatic transmission |
| 01/20/1993 | EP0397790B1 Torque transmitting device |
| 01/12/1993 | US5178251 Miniature vehicle drive train protection assembly |
| 01/12/1993 | US5178249 Rotary coupling for torque transmission |
| 12/29/1992 | US5174408 Drive assembly for a four wheel drive vehicle, having a disconnectable viscous coupling |
| 11/10/1992 | US5161658 Viscous coupling |
| 10/28/1992 | EP0511068A1 Differential and viscous clutch transmission device particularly for motor vehicles |
| 10/20/1992 | US5156247 Connectable or disconnectable viscous coupling |
| 09/30/1992 | EP0506015A1 Torque transmission device of a four-wheel drive vehicle |
| 09/10/1992 | DE4112215C1 Starter for IC engine - has rotor driving engine via first clutch during starting and via second clutch during running |
| 08/18/1992 | CA1306419C Torque-dependent power transmission system |
| 08/04/1992 | US5135086 Assembly tool with rapid release electromagnetic clutch |
| 06/25/1992 | DE4040702A1 Coupling device for drive and output shafts - has elastic support member axially supporting second coupling element |
| 06/16/1992 | CA1303523C Torque transmission device for a four-wheel drive vehicle |
| 06/09/1992 | US5119923 Torque transmitting device |
| 02/25/1992 | US5090521 One-way damper |
| 02/13/1992 | DE4016802C1 Vehicle fluid drive coupling - has switch with weight speed connected to drive section |
| 01/14/1992 | US5080187 Driving power transmission system for vehicle |
| 12/10/1991 | US5070975 Viscous clutch assembly for torque transmission in motor vehicle |
| 11/07/1991 | DE4009626A1 Friction clutch coupling - has at least one control assembly with spring, and shape memory metal |
| 10/17/1991 | DE4010761A1 Power drive clutch assembly |
| 10/15/1991 | US5056640 Torque transmission device for a four-wheel drive vehicle |
| 09/17/1991 | US5048657 Centrifugal clutch with vibration dampening means |
| 08/06/1991 | US5036963 Viscous clutch assembly for torque transmission in motor vehicle |
| 08/01/1991 | DE4002481A1 Drive for motor vehicle - has centrifugal force control with cut=out in freewheel inner section housing pivoting contact arms with eccentric fulcrum |
| 07/16/1991 | US5031743 Driving power transmission |
| 07/11/1991 | WO1991010075A1 Centrifugal clutch with vibration dampening means |
| 05/28/1991 | CA1284429C Joint assembly |
| 05/21/1991 | US5016742 Liquid friction coupling |
| 05/07/1991 | US5012908 Control coupling for torque transmission |
| 04/16/1991 | US5007498 Driving assembly |
| 04/02/1991 | US5004082 Starting device of an automatic transmission for vehicle |
| 03/05/1991 | US4997071 Automatic control system for a clutch coupling two rotating shafts |
| 03/05/1991 | US4996892 Flywheel assembly |
| 02/26/1991 | US4995491 Power transmission apparatus |
| 02/19/1991 | US4993377 Automobile heating apparatus and heat generator for the same |
| 02/13/1991 | EP0412665A1 Viscous clutch assembly for torque transmission in motor vehicle |
| 01/01/1991 | US4981192 Power transmission apparatus |
| 11/27/1990 | US4972736 Centrifugal lock-up clutch for a stepless speed-change power transmission for use in a vehicle |
| 11/22/1990 | EP0397790A1 Torque transmitting device. |
| 11/20/1990 | US4971184 Overrunning clutch with lubricant spreading and distribution means |
| 11/07/1990 | EP0396531A1 Fluid friction clutch |
| 10/30/1990 | US4966268 Driving power transmission device |
| 10/30/1990 | US4966265 Clutch |
| 10/10/1990 | EP0391722A2 Viscous clutch assembly for torque transmission in motor vehicle |
| 10/09/1990 | US4961486 Retainer plate of a one-way clutch assembly |
| 08/21/1990 | US4949824 High production, torque limiting, one-way clutch |
| 08/08/1990 | EP0381505A1 Control coupling for torque transmission |
| 08/01/1990 | EP0380246A1 Electric motor powered power steering arrangement with feature of decoupling motor from steering shaft |
| 08/01/1990 | EP0380101A2 Driving power transmission system for vehicle |
| 07/25/1990 | EP0379267A1 Friction coupling incorporating hydrodynamic film between the mating surfaces |
| 07/19/1990 | CA2007379A1 Method and apparatus for incorporating hydrodynamic film to transfer or retard motion and dissipate heat |
| 07/04/1990 | CN1043549A Power saving safety coupling |
| 07/03/1990 | CA1271147A1 Control coupling |
| 06/07/1990 | DE3840484A1 Drive connection to an override freewheel mechanism and a torsional vibration damper between a motor vehicle internal combustion engine and assigned transmission on the output side |
| 05/23/1990 | EP0369867A1 Starter drive with a one-way clutch having a torque limiter |
| 04/24/1990 | US4919248 Drive coupling unit |
| 03/20/1990 | US4909344 Arrangement for the drive of a motor vehicle |
| 03/20/1990 | CA1266840A1 Power transmission device |
| 03/15/1990 | DE3929377A1 Multicolour rotary printing press drive - incorporates main shaft halves coupled by torsion bar with by=pass clutch |