| Patents for F16D 27 - Magnetically-actuated clutches; Control or electric circuits therefor (4,969) |
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| 05/01/1990 | US4920816 Actuator with a clutch mechanism |
| 04/18/1990 | EP0363367A1 Arrangement of an electromagnet positive clutch. |
| 04/04/1990 | EP0360819A1 Drive for fan rotor. |
| 04/03/1990 | US4913274 Electromagnetically controlled spring clutch mechanism |
| 03/21/1990 | CN2054847U Magnetic-driven centrifugal pump |
| 03/20/1990 | US4910422 Electromagnetic device with low remanence |
| 03/20/1990 | US4909369 Electromagnetic clutch |
| 03/06/1990 | US4905805 Torque limiting clutch with by-pass |
| 03/06/1990 | US4905738 Control for a rotary dobby heald frame connecting rod |
| 02/27/1990 | US4903804 Clutch, particularly for an automotive vehicle |
| 02/15/1990 | DE3826943A1 Evaluation device for physiological data, determined by means of measurement sensors, on patients |
| 02/13/1990 | US4899856 Free wheel hub apparatus |
| 02/13/1990 | US4899569 Method for manufacturing a rotor frame of an electromagnetic clutch |
| 01/30/1990 | US4896757 Bolt on electromagnetic fan clutch |
| 01/30/1990 | US4896756 Apparatus for preventing heat damage in an electromagnetic clutch |
| 01/25/1990 | WO1990000687A1 Overload protection for a transmission wheel, particularly a pulley |
| 01/23/1990 | US4895236 Actuator for the frictional engaging device |
| 01/23/1990 | US4895051 Clutch with two pressure plates and one stop |
| 01/17/1990 | EP0351098A1 Electromagnetic clutch |
| 01/17/1990 | EP0350789A1 Electromagnetic clutch |
| 01/09/1990 | US4892176 Electromagnetic clutch having high torque transfer |
| 01/02/1990 | USRE33140 Methods and apparatus for controlling the engagement of gap-type electromagnetic couplings |
| 01/02/1990 | US4891665 Forward and reverse rotation mechanism |
| 01/02/1990 | US4891619 Electromagnetic coupling disc |
| 01/02/1990 | US4891077 Method of making an electromagnetic coupling disc |
| 01/02/1990 | US4890711 Clutch control system for an automobile vehicle, and a clutch release bearing therefor |
| 12/20/1989 | CN1006149B Clutch control system and clutch assembly using same |
| 12/19/1989 | US4887704 Odometer disabling system and clutch therefor |
| 11/23/1989 | EP0342264A2 Electrical clutch or breaking device |
| 11/23/1989 | DE3915065A1 Drive arrangement with an electromagnetically actuated double clutch |
| 11/15/1989 | EP0341653A2 Drive arrangement with an electromagnetically actuating double clutch |
| 11/08/1989 | EP0340451A2 Differential gear |
| 11/07/1989 | US4878396 Control mechanism for a mechanical coupling device |
| 11/02/1989 | EP0339431A1 Electromagnetic clutch |
| 10/26/1989 | DE3912172A1 Mechanically engageable vehicle four-wheel drive |
| 10/24/1989 | US4875565 Coupling with two clutches, especially for looms |
| 10/17/1989 | US4874973 Method and arrangement for securing a pulley to a rotor in an electromagnetic clutch |
| 10/05/1989 | DE3908478A1 Multi-disc clutch |
| 10/04/1989 | EP0335782A1 Clutch, especially for motor vehicle |
| 09/28/1989 | DE3809219A1 Self-locking differential |
| 09/27/1989 | EP0334435A2 An actuator |
| 09/14/1989 | DE3834555C1 Optionally engageable fluid friction coupling |
| 09/12/1989 | US4865173 Electric clutch actuator |
| 08/29/1989 | US4860867 Electromagnetic clutch |
| 08/29/1989 | US4860866 Vehicle seat adjuster clutch |
| 08/16/1989 | CN2042908U Brushless electromagnetic clutch for automobile |
| 08/09/1989 | CN2042529U Single-plate electromagnetically-clutching braking device without slip-ring |
| 08/01/1989 | US4852419 Control device, in particular for a motor-vehicle friction clutch |
| 07/19/1989 | CN1004826B 电磁式离合器 Electromagnetic clutch |
| 07/18/1989 | US4848545 Electromagnetically controlled spring clutch mechanism |
| 07/12/1989 | EP0323597A1 Slip ringless electromagnetic switching clutch with overload function |
| 07/11/1989 | US4846327 Drive arrangement for compressor of a transport refrigeration unit |
| 07/11/1989 | US4846324 Electromagnetic spring clutch |
| 07/05/1989 | EP0322928A1 Coupling with two clutches, especially for looms |
| 07/04/1989 | US4843694 Method of making a clutch rotor for an electromagnetic clutch |
| 06/28/1989 | CN2040191U Dc double-speed electromagnetic clutch |
| 06/22/1989 | DE3805704C1 Electromagnetic single-surface brake |
| 06/20/1989 | US4840543 Clutch apparatus for rapid power source conversion |
| 06/20/1989 | US4840259 Drive mechanism for a reproduction apparatus |
| 06/08/1989 | DE3740365A1 Vane-cell air compressor |
| 06/01/1989 | WO1989004927A1 A drive transmission for a vehicle |
| 05/31/1989 | EP0317703A2 Electromagnetically-actuated friction disc clutch |
| 05/31/1989 | CN2038572U Energy-saving electromagnetic clutch |
| 05/23/1989 | CA1254607A1 Permanent magnet excited alternator compressor with direct current control |
| 05/18/1989 | DE3737180A1 Pressure modulator |
| 05/10/1989 | EP0314948A1 Safety clutch for handling materials |
| 05/09/1989 | US4829221 Method of controlling a motor-driven clutch |
| 05/09/1989 | US4828093 Device for controlling a coupling mechanism such as a clutch |
| 05/09/1989 | US4828091 Electromagnetically actuated friction disc clutch |
| 05/09/1989 | US4828090 Electromagnetic clutch |
| 05/03/1989 | EP0313680A1 Electromagnetic coupling device |
| 05/02/1989 | US4825992 Magnetic torque limiting clutch having overload disconnection means |
| 05/02/1989 | US4825988 Electromagnetically controlled spring clutch mechanism |
| 04/27/1989 | DE3734825A1 Central air-gap adjustment in an electromagnetic clutch and/or brake unit |
| 04/26/1989 | CN2036604U Wet multichip electromagnetical clutch |
| 04/25/1989 | US4823926 Electric motor regulating and control drive having a clutch-brake unit |
| 04/18/1989 | CA1252648A1 Speed change gear |
| 04/11/1989 | US4819778 Engagement device for an electromagnetic spring-wound clutch |
| 04/04/1989 | US4818840 Method of making an electromagnetic coupling disc |
| 03/29/1989 | CN1032045A Electric motor regulating and control drive |
| 03/23/1989 | WO1989002521A1 Mechanical drive for the charging blower of internal combustion engines |
| 03/23/1989 | DE3829699A1 Mechanical drive for a supercharger of an internal combustion engine |
| 03/15/1989 | EP0228380B1 Electromagnetically-operated locking clutch for motor vehicle differential gears |
| 02/28/1989 | US4808870 Electromagnetic clutch with impact absorbing connector |
| 02/22/1989 | EP0303968A2 Clutch with two pressure plates comprising a detent mechanism and a differential with two clutches |
| 02/15/1989 | CN2032667U Clutch for extruding and stirring machine |
| 02/14/1989 | US4804874 Electromagnetic clutch |
| 02/14/1989 | US4804075 Electromagnetic clutch |
| 02/08/1989 | EP0302524A2 Winding holder for electromagnetic brakes or clutches |
| 01/31/1989 | CA1249624A1 Alternator-compressor construction |
| 01/25/1989 | EP0300776A2 Dog clutch mechanism |
| 01/24/1989 | US4799578 Apparatus for preventing heat damage in an electromagnetic clutch |
| 01/10/1989 | US4796718 Drive slip control system for a motor vehicle |
| 01/03/1989 | CA1248036A1 Spring operated clutch |
| 12/27/1988 | US4793457 Snap-on dust shield for automotive compessor clutch |
| 12/27/1988 | US4793455 For transmitting power from a drive source |
| 12/27/1988 | US4793453 Electromagnetically controlled spring clutch mechanism |
| 12/08/1988 | DE3816923A1 Drive for a fan wheel |
| 12/06/1988 | US4789380 Clutch rotor for an electromagnetic clutch and method of production thereof |
| 12/01/1988 | WO1988009447A1 Drive for fan rotor |