| Patents for F16D 25 - Fluid-actuated clutches (9,207) |
|---|
| 03/13/1990 | US4907683 Disc brake or clutch |
| 03/08/1990 | WO1990002274A1 Hydraulically actuated clutch release mechanism |
| 03/08/1990 | WO1990002273A1 Disk set with spreading device for clutches or brakes |
| 03/07/1990 | EP0356793A1 Disc brake or clutch |
| 03/01/1990 | DE3927776A1 Coupling or brake laminar packet - has spreading devices to open up laminae in friction packet and realised as magnetic bodies |
| 02/28/1990 | EP0356285A1 Pneumatic clutch control device |
| 02/27/1990 | US4903811 Transfer device for a four-wheel drive motor vehicle |
| 02/27/1990 | US4903807 Release bearing mechanism of a clutch |
| 02/27/1990 | US4903806 Hydraulically actuated release mechanism for a clutch |
| 02/27/1990 | US4903804 Clutch, particularly for an automotive vehicle |
| 02/20/1990 | US4901830 Clutch and brake apparatus operable by compressible fluid, especially pneumatically |
| 02/14/1990 | EP0354268A1 Hydropneumatic booster for motor vehicles |
| 02/13/1990 | US4899861 Variable speed drive for engine cooling fans |
| 02/08/1990 | WO1990001123A1 Clutch control device |
| 02/08/1990 | WO1990000994A1 Hydraulic apparatus |
| 02/06/1990 | CA1265460A1 Hydraulically-actuated starting clutch assembly |
| 02/06/1990 | CA1265417A1 Fluid-operated piston |
| 01/31/1990 | EP0353117A1 Device to detect the position of a moving member inside a fixed member |
| 01/23/1990 | US4895051 Clutch with two pressure plates and one stop |
| 01/11/1990 | DE3917404A1 Device for the supply of lubricant and coolant to a clutch of a motor vehicle transmission, shiftable under load |
| 01/10/1990 | CN2050905U Speed controlling device for adjustable-speed clutch |
| 01/02/1990 | US4890702 Brake or clutch assembly |
| 12/28/1989 | WO1989012762A1 A hydraulic actuator |
| 12/26/1989 | US4889217 Motor vehicle clutch for a mechanical, multiple-speed automatic transmission |
| 12/13/1989 | EP0345451A2 Plastic piston/cylinder assembly |
| 12/13/1989 | EP0345423A1 Hydraulically actuated double clutch for a motor vehicle |
| 12/12/1989 | USRE33127 Clutch release mechanism |
| 12/06/1989 | EP0344714A1 Fluid-controlled actuator |
| 11/30/1989 | WO1989011600A1 Piston/cylinder unit made of plastic and process and device for making it |
| 11/30/1989 | DE3816610A1 Piston/cylinder unit of plastic |
| 11/30/1989 | DE3816609A1 Process for producing a cylinder housing |
| 11/30/1989 | DE3816608A1 Hydraulikzylinder Hydraulic cylinder |
| 11/30/1989 | DE3816607A1 Injection moulding process for producing a piston/cylinder unit |
| 11/23/1989 | DE3817206A1 Actuator with centrally split housing, in particular for a passenger-car clutch |
| 11/21/1989 | US4881628 Automatic transmission having coaxially overlapped clutches |
| 11/16/1989 | WO1989011040A1 Fluid operable actuator |
| 11/15/1989 | EP0341873A2 Clutches |
| 11/15/1989 | CN2047737U Film-type governing clutch |
| 11/08/1989 | EP0341082A2 Hydraulically actuated release mechanism for a clutch |
| 11/08/1989 | EP0340911A1 Improvements in master cylinder and booster assemblies |
| 11/08/1989 | EP0340249A1 Overload apparatus |
| 11/08/1989 | EP0340246A1 Pressurized friction disc clutch or brake. |
| 11/02/1989 | WO1989010494A1 Arrangement for controlling a hydraulically operated friction disc clutch with diaphragm spring |
| 11/02/1989 | WO1989010493A1 Release for clutches |
| 10/31/1989 | US4877117 Rotational control apparatus |
| 10/25/1989 | EP0338140A1 Dry plate friction clutch |
| 10/24/1989 | US4875561 Dual clutch application area and control |
| 10/10/1989 | US4872489 Process of providing in a liquid-containing liquid friction coupling an air-filled space having a predetermined volume |
| 10/04/1989 | EP0335782A1 Clutch, especially for motor vehicle |
| 10/04/1989 | EP0335687A1 Hydraulic clutch construction |
| 10/03/1989 | US4871051 Clutch booster control valve system |
| 09/28/1989 | DE3907993A1 Ball-type emptying valve for the piston space of a rotating multi-disc clutch |
| 09/26/1989 | US4869355 Hydraulically controlled clutch actuation device |
| 09/26/1989 | CA1260856A1 Coupling with spline clutch |
| 09/21/1989 | DE3907030A1 Drive arrangement for a motor vehicle |
| 09/20/1989 | EP0332850A1 Drive assembly, and self-propelled forage harvester with such an assembly |
| 09/19/1989 | US4867294 Accumulator piston for automotive transmission |
| 09/14/1989 | DE3806642A1 Hydraulically operated clutch |
| 09/12/1989 | US4865075 Sealing device for air rotary joint |
| 09/07/1989 | DE3806013A1 Clutch for changing operating conditions, in particular a two-mass flywheel |
| 09/06/1989 | EP0331362A1 Drive engagement delay device |
| 09/05/1989 | US4862769 Multiple disc clutch apparatus |
| 08/30/1989 | EP0247049B1 Start-up and shifting clutch mechanism |
| 08/29/1989 | US4860873 Lubricating system for friction engaging means in transmission |
| 08/29/1989 | US4860868 Air pressure control valve of an air clutch |
| 08/29/1989 | US4860865 Quick release, high torque, friction brakes and clutches |
| 08/29/1989 | CA1258817A1 Assembly method and apparatus for spline-type connection |
| 08/23/1989 | EP0329408A2 Transfer device for a four-wheel drive motor vehicle |
| 08/17/1989 | DE3803565A1 Hydraulic actuating system for motor vehicles |
| 08/16/1989 | EP0327587A1 Hydraulic clutch activation system. |
| 08/16/1989 | EP0327550A1 A hydraulic actuator for a clutch. |
| 08/15/1989 | US4857253 Method of manufacturing a fluid actuator for brakes and clutches |
| 08/15/1989 | US4856635 Starting clutch for a continuously variable transmission |
| 08/15/1989 | US4856628 Automated mechanical transmission system for use in commercial vehicles |
| 08/15/1989 | US4856282 Center-feed master cylinder with retainer for valve stem |
| 08/10/1989 | DE3903010A1 Clutch with control device, particularly for automatic motor-vehicle gearboxes |
| 08/09/1989 | EP0326564A1 Method for controlling automatic motor vehicle clutches. |
| 08/08/1989 | US4854220 Pull-type booster |
| 08/01/1989 | US4852352 Manual override for relief of pulsator circuit with reservoir ball valve |
| 07/19/1989 | EP0324553A1 Clutch actuator system for automatic/semi-automatic mechanical transmission system |
| 07/19/1989 | EP0324152A1 Fluid clutch |
| 07/18/1989 | US4848549 Coaxial adjustable hydraulic clutch actuator |
| 07/13/1989 | DE3812359A1 Double clutch transmission |
| 07/13/1989 | DE3744284A1 Coupling device for the releasable connection of two parts to one another |
| 07/11/1989 | US4846017 Speed reduction clutch mechanism |
| 07/06/1989 | DE3838708A1 Gear train, shiftable under load, for motor vehicles |
| 07/04/1989 | US4844219 Fluid friction couplings |
| 06/29/1989 | DE3838865A1 Multiple clutch unit |
| 06/29/1989 | DE3812327A1 Method for the adjustment of a double clutch transmission and double clutch transmission |
| 06/28/1989 | EP0322265A1 Clutch control device, notably for motor vehicles |
| 06/28/1989 | EP0321873A2 Dual clutch transmission and its adjustment method |
| 06/27/1989 | US4842115 Hydraulic clutch |
| 06/20/1989 | US4840261 Automatic transmission having centrifugally operable drain valve in hydraulically operated clutch actuator |
| 06/14/1989 | EP0320261A1 Automatic clutch control apparatus |
| 06/13/1989 | US4838403 Overtravel stop activated control valve |
| 06/13/1989 | US4838011 Fluid actuated clutch having fluid slip fitting safety interlock |
| 06/08/1989 | DE3839318A1 Hydraulic clutch-actuation device |
| 06/08/1989 | DE3740243A1 Actuating device for a friction clutch |
| 06/07/1989 | CN2038966U Silicone-oil fan clutch with round-frustum shaped active piece |
| 06/07/1989 | CN2038965U Fan clutch with sealing-controlling silicone-oil |