| Patents for F16D 35 - Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (1,861) |
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| 02/18/1988 | DE3627347A1 Bearing arrangement for two coupling hubs of a viscous coupling |
| 02/18/1988 | DE3627346A1 Viscous coupling with variable shearing gaps and resilient spacers |
| 02/11/1988 | DE3625976A1 Liquid friction clutch |
| 02/04/1988 | DE3632283C1 Method for the formation of openings in plates for viscous couplings |
| 01/26/1988 | US4721010 Differential drive arrangement |
| 01/21/1988 | DE3721623A1 Fluid friction clutch |
| 01/12/1988 | US4718301 Driving mechanism for motor vehicles having at least two live axles |
| 01/12/1988 | US4718300 Power-drive transmission with viscous clutch |
| 12/22/1987 | US4714129 Transmission system with intermediate differential for all-wheel drive vehicle |
| 12/15/1987 | US4712663 Viscous coupling for a drive shaft |
| 12/09/1987 | EP0248577A1 Power transfer device for four-wheel drive |
| 11/25/1987 | EP0247008A1 Improvements in four-wheel drive transmission systems for motor vehicles |
| 11/24/1987 | US4708030 Multi-range starter-generator drive |
| 11/17/1987 | US4706792 Fluid friction clutch |
| 11/10/1987 | US4705149 Fluid coupling device having increased torque-transmitting capability |
| 11/05/1987 | DE3713819A1 Differential |
| 11/04/1987 | EP0171390B1 Liquid friction coupling |
| 11/03/1987 | US4703842 Liquid friction coupling |
| 10/27/1987 | US4702360 Viscous fluid coupling |
| 10/22/1987 | DE3619351A1 Multi-split engine for motor vehicles with split crankshaft and engine transverse shaft for auxiliary unit drives |
| 10/20/1987 | US4700820 Torque transfer device and engageable, shiftable clutch in an all-wheel drive arrangement for a motor vehicle |
| 10/14/1987 | EP0240795A2 Four-wheel drive motor vehicle |
| 10/13/1987 | US4699258 Viscous clutch for engine cooling fan with optimized low speed disengagement |
| 10/13/1987 | US4699237 Four-wheel drive system for motor vehicles |
| 10/08/1987 | DE3710072A1 Fluid friction clutch |
| 10/06/1987 | US4697621 Method and device for filling a fluid friction clutch |
| 09/30/1987 | EP0111532B1 Azimuth damper |
| 09/29/1987 | US4696756 Organopolysiloxane composition for viscous fluid coupling |
| 09/24/1987 | DE3609376A1 Method for the insertion of a disc assembly |
| 09/23/1987 | EP0237638A1 Axle gearing |
| 09/16/1987 | EP0236650A1 Driving device for two aligned shafts, with a differential, especially for two rear axle transmission shafts of a vehicle |
| 09/09/1987 | EP0236178A1 Four-wheel drive transmission device |
| 09/09/1987 | EP0175690B1 Distributor gear with viscosity coupling |
| 09/02/1987 | EP0233881A1 Lamellar clutch with dog-type clutch. |
| 09/01/1987 | US4690258 Hydraulic power transmission device with centrifugally actuated clutch override |
| 09/01/1987 | US4690103 Viscous fan coupling unit |
| 08/20/1987 | DE3604771A1 Fluid friction clutch |
| 08/19/1987 | EP0232995A1 Fluid coupling device including manual engagement means |
| 08/18/1987 | US4687132 Engine cooling fan coupling system controlled in concert with a cooling system thermostat |
| 08/11/1987 | US4685549 Temperature-dependently controllable fluid friction clutch |
| 08/05/1987 | EP0230962A1 Differential device using a fluid |
| 08/04/1987 | US4683999 Fluid coupling device including manual engagement means |
| 08/04/1987 | US4683998 Fluid friction clutch, utilizing fluid shear force between clutch plates and camming of plates together to increase fluid shears forces, especially for differential gears of motor vehicles |
| 08/04/1987 | US4683997 Temperature compensating fluid friction clutch |
| 07/29/1987 | CN86100396A Oil-film speed regulation clutch with omega valve and compound spring |
| 07/28/1987 | US4682679 Viscous drive with variable pump action |
| 07/23/1987 | DE3601234A1 Ventilator coupling |
| 07/22/1987 | EP0229063A1 Viscous clutch with filling adjustment |
| 07/14/1987 | US4679666 Weight responsive rotary retardation device |
| 07/07/1987 | US4678070 Fluid coupling device having improved heat dissipation |
| 07/01/1987 | EP0226666A1 Four-wheel vehicle drive system |
| 06/30/1987 | US4676355 Fluid friction clutch |
| 06/16/1987 | EP0225389A1 Power transmitting structure utilizing viscous fluid |
| 06/11/1987 | DE3545698C1 Clutch fitted to an internal combustion engine |
| 06/09/1987 | US4671136 Power transmission for four-wheel drive vehicle |
| 05/26/1987 | US4667792 Fluid friction clutch |
| 05/26/1987 | US4667791 Fluid friction clutch with reserve chamber in the primary disk |
| 05/19/1987 | US4665694 Fluid friction coupling |
| 05/12/1987 | US4664236 Electrically controlled, progressive, frictional, torque transmitting device |
| 05/05/1987 | US4662499 Control clutch with interacting viscous control unit and frictional clutch unit |
| 05/05/1987 | US4662495 Fluid-friction coupling for a cooling fan of an internal combustion engine |
| 04/22/1987 | EP0218883A1 Fluid friction coupling |
| 04/22/1987 | EP0218598A1 Differential engagement friction clutch, controlled by a parallel-operating viscous coupling |
| 04/21/1987 | US4658671 Fluid friction clutch |
| 04/14/1987 | US4656889 Transmission system with lamella coupling for all wheel drive vehicle |
| 04/01/1987 | EP0216749A1 Gear unit between the driven axles of a motor vehicle |
| 03/31/1987 | US4653625 Fluid friction clutch |
| 03/31/1987 | US4653624 Fluid shear coupling apparatus having fluid modulating valve |
| 03/25/1987 | EP0215770A1 Transmission for motor vehicles |
| 03/19/1987 | DE3630979A1 Drive arrangement for motor vehicles |
| 03/19/1987 | DE3630975A1 Fluid friction clutch |
| 03/17/1987 | US4650045 Method and apparatus for controlling the output speed of a fluid friction clutch |
| 03/17/1987 | US4650028 Viscous coupling apparatus for on-demand four wheel drive system |
| 02/24/1987 | US4645029 Four-wheel vehicle drive system |
| 02/18/1987 | CN86102696A Fluid coupling device having improved heat dissipation |
| 02/17/1987 | US4643283 Torque converter slipping clutch and control |
| 01/24/1987 | CN86104607A Viscous liquid driving speed control clutch |
| 01/21/1987 | EP0209136A2 Drive shaft apparatus |
| 01/08/1987 | DE3621197A1 Drive arrangement for motor vehicles with two driven axles |
| 01/08/1987 | DE3523195A1 Clutch combination |
| 01/06/1987 | US4633994 Viscous fan drive and axially movable valve element |
| 01/06/1987 | US4633988 Fluid coupling device with improved modulation capability |
| 12/23/1986 | US4630721 Viscous clutch for engine cooling fan |
| 12/16/1986 | US4629046 Fluid friction clutch |
| 12/09/1986 | US4627524 Viscous fluid coupling device |
| 12/09/1986 | US4627523 Fluid coupling device with improved fluid cooling |
| 12/03/1986 | EP0203570A1 Power transmission device |
| 11/26/1986 | EP0202749A1 Fluid coupling device having improved heat dissipation |
| 11/12/1986 | EP0201242A1 Fluid coupling device having improved heat dissipation |
| 11/05/1986 | EP0199917A2 Four-wheel drive transmission for a motor vehicle |
| 10/22/1986 | EP0198812A2 Driving arrangement for motor vehicles with at least two driving axles |
| 10/21/1986 | US4618045 Fluid friction clutch |
| 10/15/1986 | EP0197796A1 Viscous fluid transmissions |
| 09/10/1986 | EP0193704A1 All-wheel drive for a motor vehicle |
| 09/10/1986 | EP0193703A1 All-wheel drive for a motor vehicle |
| 09/10/1986 | CN86100249A Speed adjusted clutch for temp. control fan |
| 09/09/1986 | US4610341 Fluid friction clutch |
| 09/03/1986 | EP0193160A2 Power transmission apparatus |
| 08/19/1986 | US4606445 Fluid coupling device with improved fluid cooling capability |
| 08/14/1986 | WO1986004654A1 Power transmitting structure utilizing viscous fluid |