| Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905) |
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| 06/20/1989 | US4841215 D.C. solenoid control circuit |
| 06/08/1989 | DE3739836A1 Telemeter for indicating the brake pad wear on electric brakes |
| 05/23/1989 | US4833386 Apparatus and method for braking an electric motor |
| 05/23/1989 | US4833378 Motor control method and apparatus |
| 05/10/1989 | EP0314812A1 Alternating current motor control system with emergency control. |
| 05/03/1989 | DE3735621A1 Method for power distribution between a plurality of parallel-connected servo drive amplifier ballast circuits, and a ballast circuit operating in accordance with this method |
| 04/26/1989 | EP0313096A1 Control system of pumping operation using AC exciting generator-motor |
| 04/05/1989 | EP0310131A2 Method and system for braking an electric motor |
| 04/04/1989 | US4818921 Apparatus for controlling a motor in a camera |
| 03/28/1989 | CA1251828A1 Sparkless circuit for low hp electronic motor brake |
| 03/15/1989 | EP0306950A2 Device for actuating movable parts for closing vehicle openings |
| 03/14/1989 | US4812728 Electro magnetic braking circuit for small single phase induction motors |
| 03/01/1989 | CN2033558U Three-phase asynchronous motor brake |
| 02/22/1989 | EP0303717A1 Drive control system for electric motor. |
| 01/19/1989 | DE3722629A1 Angle grinder having a braking device |
| 01/12/1989 | DE3249877C2 Circuit device for DC braking of a three-phase motor (motor having a multiple of three phases) |
| 01/10/1989 | CA1248580A1 Method of and system for braking asynchronous motors |
| 01/03/1989 | US4795955 Position control apparatus |
| 12/29/1988 | DE3820629A1 Supply and braking circuit for a universal motor |
| 12/21/1988 | CN88204531U Cosuming energy brake connected in reverse order for motor-drive |
| 12/21/1988 | CN87103926A General-purpose type stepping and direct-current interchangeable motor |
| 12/14/1988 | EP0294537A1 Method to monitor the end position of an actuator and circuit arrangement for carrying out this method |
| 12/13/1988 | US4791344 Motor control apparatus for a sewing machine |
| 12/13/1988 | CA1246662A1 Apparatus for stopping a grinding mill |
| 12/06/1988 | US4789050 Control means for an electric motor |
| 12/01/1988 | WO1988009584A1 Alternating current motor control system with emergency control |
| 11/29/1988 | US4788635 Converter system combining a two-quadrant voltage-source rectifier and a four-quadrant voltage-source inverter, and a motor drive embodying the same |
| 11/16/1988 | CN87203601U Frequency-sensitive rheostat type braking device for power station generating set |
| 10/19/1988 | CN85109746A Lift control apparatus |
| 10/18/1988 | US4779260 Recording or reproducing device |
| 10/11/1988 | US4777418 Motor control method and apparatus |
| 10/04/1988 | US4775039 Electrically-operated, curtain drawing/undrawing mechanism |
| 09/21/1988 | EP0283049A2 Circuit arrangement for controlling starting and braking of three phase asynchronous motors and method for operating of such circuit arrangement |
| 09/07/1988 | WO1988006817A1 Drive control system for electric motor |
| 08/30/1988 | US4767970 Dynamic brake control for a tape drive system |
| 08/24/1988 | EP0278988A1 Alternating current motor control apparatus. |
| 08/02/1988 | US4761600 Dynamic brake control |
| 07/26/1988 | US4760318 Intermittent single rotation motor actuator |
| 07/20/1988 | EP0275190A2 Improvements in single phase induction motors |
| 07/14/1988 | WO1988005225A1 Motor controller |
| 07/13/1988 | EP0273981A1 Method of controlling an injection motor having overheat preventing function |
| 07/13/1988 | EP0273978A1 Regeneration control system for a servo motor |
| 07/07/1988 | DE3739339A1 Circuit arrangement for regulating the lowering speed in the case of crane installations |
| 06/29/1988 | CN86100752B Inverter control ciruit |
| 06/28/1988 | US4754211 Method of and a device for braking an asynchronous motor |
| 06/14/1988 | US4751414 Dynamic braking circuit for universal motor |
| 06/01/1988 | EP0130980B1 Plugging electrical braking control circuit |
| 05/11/1988 | DE3636555A1 Schaltungsanordnung zum bremsen eines kollektormotors Circuit arrangement for braking a collector motors |
| 05/05/1988 | WO1988003337A1 Braking circuitry for commutator motors |
| 05/03/1988 | US4742282 Brake pulse forming circuit for a video tape recorder |
| 04/26/1988 | US4740738 Reluctance motor control system and method |
| 04/26/1988 | US4739942 Weft yarn storing device |
| 04/21/1988 | WO1988002950A1 Improved motor control for banknote handling apparatus |
| 04/21/1988 | DE3635172A1 Circuit arrangement for operating a DC motor |
| 04/13/1988 | EP0263712A2 Improved motor control for banknote handling apparatus |
| 04/13/1988 | EP0263685A2 Extra magnetic field positioning apparatus |
| 04/12/1988 | US4737900 Method of and apparatus for controlling the braking resistor of a frequency converter |
| 04/05/1988 | US4736146 Run and brake control circuit |
| 03/30/1988 | EP0261683A2 Weft yarn storing device |
| 03/22/1988 | US4733148 Method and device for brake control for a motion-monitored and controlled drive motor for a printing machine |
| 03/22/1988 | US4733147 Control device of a direct-current electric motor for a windshield wiper |
| 03/16/1988 | CN87204857U Electromagnetic brake controller for three phase asynchronous motor |
| 03/02/1988 | CN87208277U Braking device of fan-driven generator |
| 03/01/1988 | CA1233348A1 Gyroscope wheel dynamic braking and sequence inhibit circuit |
| 02/25/1988 | WO1988001450A1 Alternating current motor control apparatus |
| 02/23/1988 | US4727305 Multi-function control system for an induction motor drive |
| 02/16/1988 | US4725764 Switch arrangement |
| 01/19/1988 | US4720666 Electric braking apparatus for brushless excitation system generator |
| 01/19/1988 | US4719995 Control apparatus for A.C. elevator |
| 01/14/1988 | WO1988000123A1 Method of controlling an injection motor having overheat preventing function |
| 01/05/1988 | CA1231165A1 Brake control system |
| 12/30/1987 | CN86104005A Automated clutch for power units rotate deviation |
| 12/23/1987 | EP0250339A1 Three-phase induction motor control device |
| 12/23/1987 | CN86100595A Braking system of capacitor split-phase servo motor |
| 12/22/1987 | US4714039 Sewing machine driving system |
| 12/17/1987 | WO1987007790A1 Regeneration control system for a servo motor |
| 12/10/1987 | DE3619210A1 Circuit arrangement for controlling three-phase asynchronous motors |
| 12/08/1987 | US4712054 Controller with two modes of braking induction motors |
| 12/08/1987 | US4712053 Servo control for motor having cutoff device for preventing motor from being locked |
| 12/02/1987 | EP0247994A2 Method and device for establishing the standstill of an electric motor |
| 12/02/1987 | CN87103322A Controlling apparatus of alternating current elevator |
| 11/24/1987 | US4709292 Trouble detector apparatus for an air-conditioner including a counter and a timer |
| 11/18/1987 | CN86102307A Arrangement for electric braking generator |
| 11/17/1987 | US4707650 Control system for switched reluctance motor |
| 11/10/1987 | USRE32543 Braking control |
| 10/28/1987 | EP0242671A2 Brake for a motor |
| 10/21/1987 | EP0241561A1 Circuit for generating brake pulses |
| 10/21/1987 | CN87203840U Electromagnetic brake for ac motor |
| 10/06/1987 | US4698561 Use of SCR's in extended retarding |
| 09/30/1987 | EP0238502A1 A method of and a device for braking an asynchronous motor |
| 09/29/1987 | US4697131 Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same |
| 09/29/1987 | US4697130 Induction motor regenerative brake control apparatus and method |
| 09/08/1987 | US4692867 Brake control system |
| 09/08/1987 | US4691653 Sewing machine control apparatus |
| 08/18/1987 | US4687975 Motor control with radio control device |
| 08/04/1987 | US4684867 Regenerative unipolar converter for switched reluctance motors using one main switching device per phase |
| 07/21/1987 | US4680862 Motor-driven chain saw |
| 07/14/1987 | CA1224288A1 Control apparatus for a.c. elevator |
| 07/08/1987 | EP0113341B1 Windshield wiper control system |
| 07/07/1987 | US4678980 Power failure stop circuit for a converter |