| Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905) |
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| 11/22/1990 | EP0398630A2 Windshield wiper motor |
| 11/22/1990 | EP0398609A1 Universal motor with secondary winding |
| 11/22/1990 | EP0397693A1 Process for stopping a sewing machine drive |
| 11/15/1990 | CA2015138A1 Universal motor with secondary winding |
| 11/14/1990 | EP0396858A2 Control system for high speed switched reluctance motor |
| 11/09/1990 | CA2016016A1 Control system for switched reluctance motor operating as a power generator |
| 11/09/1990 | CA2016015A1 Control system for high speed switched reluctance motor |
| 10/31/1990 | EP0394955A2 Motor stoppage apparatus and method using back EMF voltage |
| 10/30/1990 | US4967133 Motor control apparatus |
| 10/23/1990 | US4965502 Drive controlling apparatus |
| 10/23/1990 | CA1275435C D. c. solenoid control circuit |
| 10/16/1990 | US4962976 A.C. motor drive method and apparatus for precision positional control |
| 10/02/1990 | US4961042 Device for controlling AC motor |
| 09/26/1990 | CN1045667A Device for overvoltage protection of rectifier bridge feeding dc motor and for control of dc motor during |
| 09/12/1990 | EP0386767A2 Driving arrangement, in particular for a lifting device |
| 09/11/1990 | US4956570 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors |
| 08/23/1990 | DE4004734A1 Anordnung zum betreiben eines elektrischen oder elektromagnetischen geraetes oder bauteiles Operate arrangement for an electrical or electromagnetic device or component |
| 08/15/1990 | CN1009186B Controlling apparatus of alternating current elevator |
| 08/09/1990 | WO1990008996A2 Method and apparatus for dc motor speed control |
| 08/09/1990 | WO1990008947A1 Apparatus for detecting abnormal temperature of regenerative resistor |
| 07/31/1990 | US4944375 Reduction gearing device for a windshield wiper motor including a unidirectional brake |
| 07/25/1990 | EP0378690A1 Device for detecting excessive positional deviation in a servo system |
| 07/24/1990 | CA1271972A1 Deceleration control system |
| 07/12/1990 | DE3924940A1 Electric winch with inverter for frequency control of hoist motor - has section switching brake according to command prod. by inverter whilst it delivers three=phase AC to motor |
| 06/26/1990 | US4937509 Electronic braking circuit for rotating AC electrical motors |
| 06/26/1990 | US4937507 Regenerative control system for motor generator |
| 06/13/1990 | EP0372095A1 Electromotive drive |
| 06/13/1990 | DE3924429A1 Braking circuit for DC series wound motor of centrifuge - consists of regulating circuit connected in parallel to braking resistance and armature current regulated by altering effective resistance |
| 06/12/1990 | US4933611 High torque inhibitor |
| 06/12/1990 | US4933609 Dynamic control system for braking DC motors |
| 06/12/1990 | US4933608 Method of electrically braking a linear motor |
| 06/06/1990 | EP0371502A2 Method of controlling driving of conveyor means in automatic document conveying device |
| 05/29/1990 | US4929875 Method to control stops of an intermittently operating driving motor |
| 05/22/1990 | US4928044 For applying a reverse torque braking force to a spindle motor |
| 05/16/1990 | EP0367987A1 Brake circuit for a series motor |
| 05/16/1990 | CN1008038B Induction motor regenerative brake control apparatus and method |
| 05/15/1990 | US4926101 DC motor stop detector and DC motor brake apparatus |
| 05/03/1990 | DE3938241A1 Stator for variable speed electric motor - has 2 pole pairs with associated field winding connected in series with armature |
| 05/02/1990 | CN1007807B Apparatus for operating elevator of winding drum type |
| 05/01/1990 | US4922161 Method and apparatus for improving the regulation of the speed of a motor |
| 04/24/1990 | CA1268206A1 Method of and apparatus for controlling the braking resistor of a frequency converter |
| 04/10/1990 | US4916370 Motor stoppage apparatus and method using back emf voltage |
| 04/04/1990 | CN1041074A Contactless ac switch with kinetic-energy braking |
| 03/22/1990 | DE3546606C2 Resistance braking device |
| 03/20/1990 | US4910445 Actuating device for movable parts for closing of apertures in vehicles and vehicle roof utilizing same |
| 03/20/1990 | US4910419 Overload detection mechanism for motor-driven linear actuator |
| 03/13/1990 | US4908563 Method and device for braking a squirrel-cage motor |
| 03/13/1990 | US4908553 Magnetic regenerative braking system |
| 02/28/1990 | CN2053810U Magnetism, erasing device |
| 02/27/1990 | US4904918 Power conversion system including an improved filter for attenuating harmonics |
| 02/22/1990 | WO1990001828A1 A method for retarding an induction motor |
| 02/22/1990 | DE3929556A1 Commutator motor for electric machine tool - has magnetic short circuit stator with single OFF and changeover switch for switching and short-circuiting |
| 02/20/1990 | US4902954 Alternating current motor control apparatus |
| 02/14/1990 | CN1039686A Invertible thyristor speed-regulating device of dc motor |
| 02/13/1990 | US4900994 Protection circuit for a power window apparatus |
| 01/31/1990 | EP0352728A2 DC motor stop detector and DC motor brake apparatus |
| 01/31/1990 | EP0352419A2 Electric brake device for a centrifuge |
| 01/25/1990 | WO1990000832A1 Switched reluctance motors |
| 01/23/1990 | US4896085 Impulse actuator system |
| 01/17/1990 | EP0351280A1 Electro-motive drive unit with a programmer, in particular for actuating an opening roof of a vehicle |
| 01/17/1990 | CN1006514B Braking system of capacitor split-phase servo motor |
| 01/17/1990 | CN1006513B Lift control apparatus |
| 01/10/1990 | CN1006375B Control apparatus for alternating elevator |
| 12/27/1989 | EP0348107A1 Dynamic control system for braking DC motors |
| 12/27/1989 | EP0347472A1 Spindle orientation controller |
| 12/20/1989 | EP0346793A1 A means for quickly stopping the rotation of the motor of a washing machine or a combined washer and dryer for laundry |
| 12/20/1989 | CN2049842U Short switch for electrical brake for water turbo-generator set |
| 12/19/1989 | US4888537 Method of monitoring the end position of a controlling element and circuit arrangement for the carrying out of the method |
| 12/14/1989 | WO1989012266A1 Device for detecting excessive positional deviation in a servo system |
| 11/29/1989 | CN1005910B Control device for elevator |
| 11/22/1989 | CN2048254U Double-winding generator with rapid brake |
| 10/18/1989 | EP0337827A1 Stop positioning process for an apparatus presenting a horizontal drum and driven by an electrical asynchron motor, washing and/or drying machine involving this process |
| 10/04/1989 | EP0335599A2 Inverter speed control unit |
| 09/21/1989 | WO1989008946A1 Process for position-stopping of an apparatus equipped with a horizontal drum driven by an asynchronous electric motor, and clothes washing and/or drying machine implementing said process |
| 09/21/1989 | WO1989008942A1 Intermittent single rotation motor actuator |
| 09/13/1989 | EP0332128A2 Method for stopping an electric motor |
| 09/13/1989 | EP0332127A2 Motor stoppage detection using back EMF voltage |
| 09/13/1989 | CN1035475A Controlling apparatus in elevator |
| 09/07/1989 | DE3805662A1 Ring spinning machine |
| 09/06/1989 | EP0331659A1 A method to control stops of an intermittently operating driving motor |
| 09/06/1989 | CN1035399A Electic drive apparatus with practical electric brake |
| 09/05/1989 | USH677 Motor control circuit |
| 09/05/1989 | US4864125 Extra magnetic field positioning apparatus |
| 08/29/1989 | US4862052 Method for stopping an electric motor |
| 08/23/1989 | CN1005030B Control apparatus for a.c. elevator |
| 08/15/1989 | US4857818 Electric motor brake |
| 08/15/1989 | US4857813 Self-stopping motor control circuit |
| 08/15/1989 | US4856965 Control system of pumping operation using AC exciting generator-motor |
| 08/10/1989 | WO1989007165A1 Process for stopping a sewing machine drive |
| 08/09/1989 | EP0327109A1 Motor stop control device |
| 08/08/1989 | USRE33016 Protective device for automatic focusing camera |
| 08/08/1989 | CA1258325A1 Elevator motor control |
| 08/02/1989 | EP0326146A1 Brake circuit for a universal motor |
| 07/13/1989 | WO1989006394A1 Spindle orientation controller |
| 07/12/1989 | EP0323566A2 Driving device |
| 07/11/1989 | US4847023 Method for controlling an injection motor to prevent overheating |
| 07/06/1989 | DE3743221A1 Method for operating a slipring-rotor machine of a shaft hoist system |
| 07/05/1989 | EP0322835A2 Braking circuit for tool machines fitted with several alternating current motors, especially high speed alternating current motors |
| 06/28/1989 | EP0322177A2 Spindle motor stop control device |
| 06/28/1989 | EP0321795A2 Pilot circuit with integrated circuit with preset firing delay for MOS power transistors |