| 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) |
|---|
| 08/27/1991 | US5043642 Apparatus for controlling blower motor of automobile air-conditioner |
| 08/27/1991 | US5043641 Circuit for and method of controlling 4-phase brushless DC motors |
| 08/22/1991 | WO1991012655A1 Method of driving brushless motor and device therefor |
| 08/22/1991 | WO1991012654A1 Method of driving brushless motor and device therefor |
| 08/22/1991 | WO1991012653A1 Device for driving brushless motor |
| 08/22/1991 | WO1991012652A1 Method of driving brushless motor and device therefor |
| 08/20/1991 | US5041774 Brushless motor driving circuit |
| 08/20/1991 | US5041769 DC motor apparatus with an index signal output |
| 08/20/1991 | US5041768 Polyphase motor control system |
| 08/13/1991 | US5040085 Disk storage drive directed to disk drive details |
| 08/07/1991 | EP0440534A1 Current control device for an electronic commutated motor and electromechanical structure including such a device |
| 08/07/1991 | EP0440454A1 Brushless DC motor |
| 08/06/1991 | US5038232 Spindle motor control circuit |
| 08/06/1991 | US5038083 Driver circuit for a d.c. motor without commutator |
| 07/30/1991 | US5036264 Brushless motor with no rotor-position sensor |
| 07/24/1991 | CN1053328A Three-phase magnetic resistance motor |
| 07/23/1991 | US5034668 Control circuit for an electric motor |
| 07/23/1991 | CA1286714C Start-up system for a synchronous motor drive |
| 07/17/1991 | EP0436742A1 Reluctance motor |
| 07/16/1991 | US5032781 Method and circuit for operating a stepping motor |
| 07/16/1991 | US5032773 Drive system with a drive motor |
| 07/11/1991 | WO1991010281A1 A method and an arrangement for starting an electrical machine having varying reluctance |
| 07/09/1991 | US5030897 Driving current control circuit |
| 07/09/1991 | CA1285979C Electronically commutated coaxial starter motor/alternator for an internal combustion engine |
| 07/02/1991 | US5028852 Position detection for a brushless DC motor without hall effect devices using a time differential method |
| 06/27/1991 | WO1991009462A1 Process and device for controlling an electronically commuted motor |
| 06/27/1991 | WO1991009230A1 Variable speed turbo vacuum pump |
| 06/27/1991 | DE3942003A1 Verfahren und vorrichtung zur steuerung eines elektronisch kommutierten motors A method and apparatus for controlling an electronically commutated motor |
| 06/27/1991 | DE3940569A1 Polyphase sync. motor DC supply system - has electronic switches for winding phases controlled to one overlap when switching in and out |
| 06/19/1991 | EP0433219A1 Control circuit for collectorless electric motor |
| 06/13/1991 | WO1991008437A1 Process for determining the rotational position of a rotatably mounted electrical coil, and a circuit for carrying out the process |
| 06/12/1991 | EP0431150A1 Injection molding machines having a brushless dc drive system. |
| 06/11/1991 | US5023924 Speed control apparatus for movable equipment |
| 06/11/1991 | US5023531 Dual hybrid demand refrigeration control apparatus |
| 06/11/1991 | US5023528 Method of three-phase winding motor control of rotary motor-driven linear actuators, linear motor-actuated carriages, and similar systems, and apparatus for practicing the same |
| 06/11/1991 | US5023527 Control circuits, electronically commutated motor systems and methods |
| 06/11/1991 | US5023495 Moving-magnet type linear d.c. brushless motor having plural moving elements |
| 06/05/1991 | EP0430815A1 Driving methods and driving circuits for sensorless brushless DC motor |
| 06/05/1991 | EP0429659A1 Driving system and controller therefor |
| 06/04/1991 | US5021735 Opto-electronic bachometer and position detector of an electric motor |
| 06/04/1991 | CA1284671C Brushless motor speed control |
| 05/29/1991 | EP0429412A2 Controlling a multiphase brushless motor without position sensors for the rotor, using a system of digital filtering |
| 05/28/1991 | US5019757 Method and apparatus for controlling a blower motor in an air handling system to provide constant pressure |
| 05/28/1991 | US5019756 Process and electronic circuit for controlling a brushless direct current motor |
| 05/22/1991 | EP0427868A1 Reluctance-type electric motor |
| 05/21/1991 | US5017846 Stall protection circuit for an electronically commutated motor |
| 05/21/1991 | US5017845 Brushless direct current motor starting and operating apparatus and method |
| 05/15/1991 | EP0427571A2 AC motor control |
| 05/14/1991 | US5015927 Electric motor with regeneration current commutation |
| 05/07/1991 | US5013899 Scanning system having low quiescent current scanning mirror motor driver circuitry |
| 05/02/1991 | EP0425479A2 Driver circuit for a d.c.motor without collector, especially to drive a ventilator |
| 05/02/1991 | EP0424467A1 Motor drive system |
| 04/30/1991 | US5012172 Control system for switched reluctance motor operating as a power generator |
| 04/30/1991 | US5012171 Control system for high speed switched reluctance motor |
| 04/30/1991 | US5012167 Sinusoidal signal decoder for 12-step motor commutation |
| 04/24/1991 | EP0424364A2 Method and apparatus for operating vacuum cleaner |
| 04/24/1991 | EP0424363A2 Method and apparatus for operating vacuum cleaner |
| 04/23/1991 | US5010282 Method and apparatus for driving a DC motor |
| 04/17/1991 | EP0422226A1 Reluctance motor |
| 04/16/1991 | CA1283164C Control apparatus and method for operating a switched reluctance motor |
| 04/11/1991 | DE3932802A1 Brushless high speed DC vacuum cleaner motor - has electronic commutation for hazardous applications using Hall-effect sensors in permanent magnet rotor with in-built stator current limit |
| 04/09/1991 | US5006776 Gate-controlled electric drive |
| 04/09/1991 | US5006775 Method and apparatus for preventing a current collapse in a phase not participating in the commutation of a three-phase, block-current supplied synchronous machine |
| 04/09/1991 | US5006045 Scroll compressor with reverse rotation speed limiter |
| 04/04/1991 | WO1991004602A1 Three-phase reluctance motor |
| 04/03/1991 | EP0420501A1 Method and apparatus for detecting the rotor position of a brushless DC motor |
| 04/02/1991 | US5004965 Brushless motor with torque compensation |
| 03/27/1991 | EP0419303A1 A pulse with modulation control system for a motor |
| 03/26/1991 | US5003455 Circuitry and method for controlling the firing of a thyristor |
| 03/26/1991 | CA1282112C Brushless dc motor control |
| 03/21/1991 | WO1991003868A1 Reluctance type motor |
| 03/19/1991 | US5001406 Brushless DC motor speed control via power supply voltage level control |
| 03/19/1991 | US5001405 Position detection for a brushless DC motor |
| 03/19/1991 | CA1281769C Electronically programmable universal brushless dc fan with integral tracking and locked rotor protection |
| 03/06/1991 | EP0414703A1 Starting a brushless dc motor. |
| 02/21/1991 | WO1991002402A1 Reluctance motor |
| 02/20/1991 | EP0413113A2 Electronically commutated motor for vacuum cleaner and the like |
| 02/20/1991 | EP0412993A1 Tape drive machines. |
| 02/19/1991 | US4994720 HGP2 electric motor |
| 02/13/1991 | EP0412180A1 Drive device with a drive motor |
| 02/12/1991 | US4992710 Commutatorless |
| 02/07/1991 | WO1991001230A2 Spindle motor control circuit |
| 01/29/1991 | WO1991002401A1 A method and a device for sensorless control of a reluctance motor |
| 01/29/1991 | US4988939 Electric motor with variable commutation delay |
| 01/29/1991 | US4988273 Injection molding machines having a brushless DC drive system |
| 01/22/1991 | US4987352 Brushless motor driver |
| 01/22/1991 | CA1279364C Open-loop brushless motor control system |
| 01/16/1991 | EP0154654B1 Device for detecting position of rotor of motor |
| 01/09/1991 | EP0407253A1 Dynamic measuring device for the torque of an ac motor and ac-motor-control apparatus utilising this device |
| 01/08/1991 | US4983895 Method and apparatus for operating vacuum cleaner |
| 01/08/1991 | US4983894 Brushless motor driving system |
| 12/27/1990 | EP0404350A2 Press with control circuit arrangement |
| 12/25/1990 | US4980838 Digital robot control having pulse width modulator operable with reduced noise |
| 12/25/1990 | US4980617 Speed control apparatus of movable equipment |
| 12/24/1990 | WO1991000418A1 Injection molding machines having a brushless dc drive system |
| 12/20/1990 | DE3919952A1 Control circuit for brushless DC motor - uses PWM of FETs for field excitation, rotor position sensors and voltage referencing speed regulator |
| 12/18/1990 | US4978895 Electronic control circuit for brushless direct current motor |
| 12/13/1990 | WO1990015476A1 Driving system and controller therefor |
| 12/13/1990 | WO1990015473A1 Motor or position transducer |
| 12/12/1990 | EP0401818A1 A current controller and method for a DC motor |