| Patents for H02P 6 - Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position; Electronic commutators therefor (19,185) |
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| 12/15/1987 | US4713590 Control circuit for DC brushless motor producing constant output torque |
| 12/08/1987 | US4712050 Control system for brushless DC motor |
| 12/08/1987 | US4712035 Salient pole core and salient pole electronically commutated motor |
| 12/03/1987 | WO1987007419A1 System for remote transmission of angle of rotation and of force between driving and driven shafts |
| 12/02/1987 | EP0247624A2 Motor speed control system |
| 12/02/1987 | EP0247416A1 Synchronization and brake control |
| 12/01/1987 | US4710684 Drive circuit for brushless DC motors |
| 12/01/1987 | US4710683 Rotation detecting apparatus |
| 11/25/1987 | EP0246671A2 Coreless-brushless motor |
| 11/25/1987 | EP0246522A2 Speed control |
| 11/24/1987 | US4709195 Bar code scanner with DC brushless motor |
| 11/19/1987 | EP0245415A1 Supply current limiter for a direct current electric motor. |
| 11/10/1987 | US4706005 Control circuit of direct current servomotor for floppy disk drive |
| 11/05/1987 | WO1987006780A1 Brushless dc motor |
| 11/05/1987 | DE3614093A1 Device for braking an electric motor without a commutator |
| 11/04/1987 | EP0243625A2 DC motor speed control |
| 11/03/1987 | US4704567 Brushless D.C. motor having alternating wider and narrower pole shoes |
| 10/27/1987 | US4703245 Method and apparatus for controlling permanent magnet synchronous motor by using pulse width modulation |
| 10/27/1987 | US4703236 Brushless d.c. motor |
| 10/27/1987 | US4703235 Brushless DC motor |
| 10/27/1987 | CA1228640A1 Current control method and circuit for electronically- commutated motors |
| 10/20/1987 | US4701839 Sampled data servo control system with field orientation |
| 10/20/1987 | US4701683 Inverter circuit for converting DC power to pulse wave power |
| 10/14/1987 | EP0241105A2 Electronically programmable universal brushless dc fan with integral tracking and locked rotor protection |
| 10/13/1987 | US4700116 System for controlling brushless DC motor |
| 10/13/1987 | US4700115 Method of starting an electronically commutated direct-current motor |
| 10/07/1987 | EP0240455A2 Brushless motor speed control |
| 10/06/1987 | US4698563 Semiconductor electric motor having a rotary transformer to excite a rotor |
| 09/30/1987 | EP0239026A2 Method and apparatus for determining shaft position and for providing commutation signals |
| 09/29/1987 | US4697125 Method and apparatus for determining shaft position and for providing commutation signals |
| 09/24/1987 | WO1987005757A1 Control circuit for switching a motor and application to the speed variation of the control circuit |
| 09/24/1987 | WO1987005756A1 Circuit for operating a multiphase synchronous motor on a d.c. network |
| 09/24/1987 | WO1987005755A1 Device for detecting the rotational position of rotor of motor |
| 09/23/1987 | EP0238253A2 Motion control system |
| 09/22/1987 | US4695780 Servomotor velocity control system |
| 09/15/1987 | US4694371 Protection circuit for stalling protection in commutatorless direct current motors |
| 09/15/1987 | US4694210 Brushless DC motor and sensorless drive arrangement therefor |
| 09/08/1987 | US4692676 Sewing machine driving apparatus |
| 09/08/1987 | US4692675 Control and energization circuit for a brushless d-c motor |
| 09/08/1987 | US4692674 Brushless DC motor control system responsive to control signals generated by a computer or the like |
| 09/02/1987 | EP0234663A1 Brushless d.c. motor |
| 08/26/1987 | EP0233540A1 Arrangement and circuit for the electrical commutation of field windings |
| 08/18/1987 | US4687977 Electronically controlled motor and methods of operating same |
| 08/18/1987 | US4687961 Polyphase DC motor with sensor poles |
| 08/11/1987 | US4686437 Electromechanical energy conversion system |
| 08/11/1987 | US4686436 For use in electrical load powering apparatus |
| 08/05/1987 | EP0231046A2 Commutation circuit for a collectorless D.C. motor |
| 08/04/1987 | US4684867 Regenerative unipolar converter for switched reluctance motors using one main switching device per phase |
| 08/04/1987 | US4684860 Electric motor drive equipped with a permanently magnetized rotor |
| 08/04/1987 | US4684857 Optical excitation electromagnetic motor |
| 07/29/1987 | EP0166744A4 A programmed microprocessor for a speed control system for a d.c. motor. |
| 07/28/1987 | US4683428 Method of and a device for identifying the position of the rotor of a stepping motor |
| 07/21/1987 | US4682096 Switching regulator system for a motor driving circuit |
| 07/14/1987 | US4680516 Motor speed control system |
| 07/14/1987 | US4680515 Digital speed control of motors |
| 07/07/1987 | US4678973 Sensorless starting control for a brushless DC motor |
| 07/07/1987 | US4678972 Self-starting single-phase brushless DC motor and control therefor |
| 07/02/1987 | WO1987004025A1 Brushless dc motor control |
| 06/30/1987 | US4677356 DC motor drive control device |
| 06/23/1987 | US4675583 Circuit arrangement for driving an electronically commutated DC motor |
| 06/16/1987 | US4673849 Permanent magnet motor closed loop restarting system |
| 06/16/1987 | US4673848 Control system for an automatic door |
| 06/11/1987 | DE3543047A1 DC motor without a commutator |
| 06/10/1987 | EP0224960A1 Brushless d.c. motor |
| 06/09/1987 | US4672274 Motor control circuit for video tape recorders |
| 06/04/1987 | WO1987003433A1 Supply current limiter for a direct current electric motor |
| 06/03/1987 | EP0224049A1 Method and circuitry to generate speed information in a control circuit of a brushless DC motor to control it by means of a digital control device |
| 06/02/1987 | US4670696 Variable speed variable reluctance electrical machines |
| 05/20/1987 | EP0222604A2 Starter procedure for permanent magnet motor |
| 05/20/1987 | EP0221939A1 Control circuit for a brushless electric motor. |
| 05/12/1987 | US4665350 Open-loop brushless motor control system |
| 04/23/1987 | WO1987002528A1 Collector-free d.c. motor, its drive circuit and process for its operation |
| 04/22/1987 | EP0219290A2 Torque control apparatus for rotary machine |
| 04/15/1987 | EP0218017A1 Electronically commutated motors |
| 04/14/1987 | US4658190 Reduced ripple drive circuit for a brushless motor |
| 04/08/1987 | EP0217599A2 Brushless motor drive circuits |
| 04/08/1987 | CN86106529A Controller of dc brushless motor |
| 04/07/1987 | US4656553 Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection |
| 04/01/1987 | EP0216733A2 Modifications of a self- synchronous motor for step-by-step driving |
| 04/01/1987 | EP0215827A1 Circuit for controlling a brushless electric motor. |
| 03/31/1987 | US4654567 Blocking protection arrangement for electronically commutated DC motors |
| 03/31/1987 | US4654566 Control system, method of operating an electronically commutated motor, and laundering apparatus |
| 03/18/1987 | CN86106600A Brushless motor drive circuit |
| 03/17/1987 | US4651068 Brushless motor control circuitry with optimum current vector control |
| 03/17/1987 | US4651067 Apparatus for driving brushless motor |
| 03/17/1987 | US4651066 Ferrite permanent magnet electrical machine and the application thereof within vehicle traction drives |
| 03/17/1987 | US4649886 Fuel injection system for an internal combustion engine |
| 02/26/1987 | WO1987001251A1 Brushless motor |
| 02/25/1987 | CN86104851A 电风扇 Fan |
| 02/24/1987 | US4645991 Apparatus for removing torque ripples in direct-current motors |
| 02/17/1987 | US4644234 Four quadrant control circuit for a brushless three-phase d.c. motor |
| 02/10/1987 | US4642539 Torque motor with unlimited angular excursion |
| 02/10/1987 | US4642537 Laundering apparatus |
| 02/10/1987 | US4642536 Control system for an electronically commutated motor, method of controlling such, method of controlling an electronically commutated motor and laundry apparatus |
| 02/10/1987 | US4642534 Magnetic driven motor |
| 02/03/1987 | US4641066 Control apparatus for brushless motor |
| 01/29/1987 | WO1987000705A1 Motor controller |
| 01/28/1987 | EP0210047A2 Motor control and operation |
| 01/27/1987 | CA1217229A1 Motor control system |
| 01/20/1987 | US4638233 Method of establishing a preferred rate of air flow, method of determining torque, and apparatus |