| Patents for F16D 35 - Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (1,861) |
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| 10/30/1990 | US4966265 Clutch |
| 10/24/1990 | EP0394049A1 Electrorheological fluids and preparation of particles useful therein |
| 10/24/1990 | EP0394005A1 Electrorheological fluid |
| 10/24/1990 | EP0294594B1 Fluid friction clutch |
| 10/23/1990 | US4964445 Apparatus for filling a liquid friction coupling |
| 10/16/1990 | US4962837 Viscous coupling clutch |
| 10/16/1990 | US4962836 Fluid friction clutch |
| 10/10/1990 | EP0391722A2 Viscous clutch assembly for torque transmission in motor vehicle |
| 10/02/1990 | US4960191 Preloaded control arm for a viscous fluid clutch |
| 10/02/1990 | US4960011 Differential drive mechanism |
| 09/25/1990 | US4958710 Fluid friction clutch with a temperature control |
| 09/25/1990 | US4958709 Integrally formed wiper and orifice for a pump plate of a viscous fluid clutch |
| 09/20/1990 | DE3908352A1 Fluid friction clutch |
| 09/19/1990 | EP0387857A1 Electroviscous fluid |
| 08/21/1990 | US4949825 Fluid coupling device having improved temperature responsiveness |
| 08/16/1990 | EP0225389B1 Power transmitting structure utilizing viscous fluid |
| 08/02/1990 | DE4001396A1 Fluid coupling with housing - has drive shaft with cover, plate and valve plate, with bimetal and absorber |
| 08/01/1990 | EP0380101A2 Driving power transmission system for vehicle |
| 08/01/1990 | EP0379498A1 Thermostatted hydraulic fan clutch. |
| 07/25/1990 | EP0379267A1 Friction coupling incorporating hydrodynamic film between the mating surfaces |
| 07/25/1990 | EP0379036A2 Fluid-friction clutch |
| 07/24/1990 | US4942951 Liquid friction coupling and motor vehicle comprising the same |
| 07/19/1990 | CA2007379A1 Method and apparatus for incorporating hydrodynamic film to transfer or retard motion and dissipate heat |
| 07/18/1990 | EP0378341A2 Viscous fluid shear clutches and control valves therefor |
| 07/13/1990 | CA2007135A1 Viscous fluid shear clutches and control valves therefor |
| 07/10/1990 | US4940123 Viscous coupling |
| 07/10/1990 | US4940121 Fluid friction clutch |
| 07/03/1990 | US4938331 Fluid coupling for engine cooling system |
| 07/03/1990 | US4938330 Fluid-friction clutch with a compensating chamber for viscous fluid |
| 07/03/1990 | US4938329 Snap-in-place wiper for a viscous fluid clutch |
| 07/03/1990 | US4938328 Floating wiper for a pump plate of a viscous fluid clutch |
| 07/03/1990 | CA1271147A1 Control coupling |
| 07/03/1990 | CA1271057A1 Viscous coupling apparatus for on-demand four wheel drive system |
| 06/26/1990 | US4936434 Viscous damper with means preventing sidewall deflection |
| 06/26/1990 | US4936433 Viscous damper with molded dynamic seal |
| 06/13/1990 | EP0372047A1 Fluid friction coupling for automatic engagement and disengagement of torque transmission. |
| 06/12/1990 | US4932509 Blade for liquid friction couplings |
| 06/05/1990 | US4930458 Thermosensitive hydraulic fan coupling |
| 06/05/1990 | US4930457 Temperature-operated fluid friction coupling |
| 05/29/1990 | US4928803 Power transmission apparatus |
| 05/23/1990 | DE3911388A1 Device for the temperature-controlled arresting of the impeller wheel of a fan for internal combustion engines |
| 05/15/1990 | US4924987 Pump plate assembly for a viscous fluid clutch |
| 05/15/1990 | US4924986 Viscous fluid clutches |
| 05/15/1990 | US4924985 Pump plate assembly |
| 05/15/1990 | US4924984 Quick pump-out clutch plate for a viscous fluid clutch |
| 05/08/1990 | US4923041 Blade for liquid friction couplings |
| 05/08/1990 | US4923029 Drive means for all-wheel-driven motor vehicles |
| 05/08/1990 | CA1268642A1 Power transmission apparatus |
| 05/02/1990 | EP0366093A1 Differential gear apparatus with differential limitation mechanism |
| 05/01/1990 | US4921065 Four-wheel drive motor vehicle having a controlled differential device |
| 05/01/1990 | US4920929 Variable speed coupling system for cooling an engine |
| 04/24/1990 | US4919247 Thermosensitive fluidized fan coupling device |
| 04/24/1990 | US4919006 Viscous differential |
| 04/19/1990 | DE3834902A1 Bevel-gear differential which locks automatically to a limited extent |
| 04/18/1990 | EP0364223A2 Viscous damper with molded dynamic seal |
| 04/18/1990 | EP0364221A2 Viscous damper with means preventing sidewall deflection |
| 04/18/1990 | EP0364219A2 Method of forming, assembling & filling a viscous damper |
| 04/10/1990 | US4914980 Limited slip differential assembly |
| 04/10/1990 | US4914799 Method of forming, assembling, and filling a viscous damper |
| 04/04/1990 | EP0361931A1 Non-aqueous electro-rheological fluid |
| 04/04/1990 | EP0361686A1 Manual transmission and gear rattle damper therefor |
| 04/03/1990 | US4913273 Fluid shear coupling apparatus having a modulating valve with a movable aperture |
| 03/29/1990 | DE3918822C1 Liq. coupling - includes housing coupling section, hub, coupling parts etc. |
| 03/28/1990 | EP0360545A1 Fluid shear coupling apparatus having a modulating valve with a moveable aperture |
| 03/20/1990 | US4909368 Fluid coupling apparatus |
| 03/20/1990 | US4909367 Automatic thermal and speed controls for viscous fluid clutches |
| 03/20/1990 | CA1266840A1 Power transmission device |
| 03/14/1990 | CN1040421A Linear response limited slip differential |
| 03/13/1990 | US4907682 Viscous fluid coupling device |
| 03/06/1990 | US4905808 Torque transmission device for a four-wheel drive vehicle |
| 02/28/1990 | EP0356145A2 Er fluid force transmission and conversion device with magnetic coupling |
| 02/27/1990 | US4903805 Temperature-controlled fan fluid coupling |
| 02/27/1990 | US4903643 Temperature-sensing fan fluid coupling |
| 02/22/1990 | DE3823180C1 Viscous coupling |
| 02/13/1990 | US4900042 Fluid sealing structure |
| 02/13/1990 | US4899863 Method of making a shaft for a clutch for a cooling fan of a motor vehicle |
| 02/13/1990 | US4899860 Fan clutch mechanism |
| 02/13/1990 | US4899859 Power transmission apparatus |
| 02/06/1990 | US4898267 Electroviscous fluid clutch |
| 02/06/1990 | US4898266 Double element electroviscous fluid clutch |
| 01/30/1990 | US4896754 Electrorheological fluid force transmission and conversion device |
| 01/17/1990 | EP0350585A1 Fluid friction coupling, especially for motor vehicle cooling fan drives |
| 01/16/1990 | US4893703 Electromagnetic control assembly and method for a viscous fluid fan clutch |
| 01/10/1990 | EP0350068A1 Power transmission apparatus |
| 01/10/1990 | EP0350044A1 Driving power transmission device |
| 01/02/1990 | US4890509 Transfer unit for four wheel drive automotive vehicle drive train |
| 12/26/1989 | US4889206 Viscous shear coupling |
| 12/14/1989 | WO1989012182A1 Fluid friction coupling for automatic engagement and disengagement of torque transmission |
| 12/13/1989 | EP0346093A2 Fan drive clutch for internal combustion engine |
| 12/12/1989 | US4886152 Power transmission unit |
| 12/12/1989 | US4885957 Disconnectable transmission assemblies |
| 12/07/1989 | DE3917944A1 Viscous coupling |
| 12/07/1989 | DE3917757A1 Device for transmitting a torque by means of shear stress in a working medium, liquid or capable of flow, that wets opposing cylindrical shearing surfaces in a torque transmission line |
| 12/07/1989 | DE3917754A1 Power transmission device |
| 12/07/1989 | DE3917506A1 Liquid friction coupling for automatic torque transmission which can be switched on and off |
| 12/07/1989 | DE3905729C1 Fluid friction clutch with centrifugal weights for gap adjustment |
| 12/05/1989 | US4884470 Power transmission apparatus |
| 11/30/1989 | DE3916144A1 Energieuebertragungseinrichtung Energieuebertragungseinrichtung |
| 11/14/1989 | US4880095 Viscous fluid coupling |
| 11/07/1989 | US4879056 Electric field dependent fluids |