| 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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| 06/14/2000 | CN1053533C Economical wide range speed control system |
| 06/13/2000 | US6075328 PWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the same |
| 06/08/2000 | WO2000033453A1 Motion control system having an auxiliary power supply |
| 06/07/2000 | EP1005716A1 Separately excited electric machine |
| 06/07/2000 | CN1053160C Method for starting elevator |
| 06/06/2000 | US6072298 Method and apparatus for controlling a multi-phase electric motor with a linear rate of current |
| 06/06/2000 | US6072289 System and method for controlling high side slew rate in a spindle motor driver |
| 06/06/2000 | US6072288 Control apparatus for permanent magnet electric motor used in electric motor vehicle in which a predetermined magnetic pole location signal pulse is supplied upon starting |
| 06/02/2000 | WO2000013289A3 Emergency operation device for a facility with an electric motor |
| 06/02/2000 | WO2000010240A3 Temperature dependent regulation of the speed of an electric motor with a microprocessor |
| 05/31/2000 | EP1005148A2 Method and apparatus for controlling a motor in a mass storage device |
| 05/31/2000 | CN1053069C Control system for magnetic resistance switched electric machine |
| 05/30/2000 | US6070132 Position detecting apparatus |
| 05/30/2000 | US6067960 Method and device for controlling the volume of intake air for an engine |
| 05/24/2000 | EP1003275A2 Method and system for driving a three-phase motor in a mass storage device |
| 05/24/2000 | EP1002362A1 Position sensing in brushless motor systems |
| 05/24/2000 | CN1052834C Controlling system for permanent-magnet synchronous electric motor |
| 05/24/2000 | CN1052833C Brushless DC motor driving gear |
| 05/24/2000 | CN1052832C 电动机 Electric motor |
| 05/23/2000 | US6066929 Frequency generator circuit for a brushless DC motor control system |
| 05/18/2000 | WO2000028656A1 A system for controlling a rotary device |
| 05/18/2000 | WO2000028646A2 Electronically commutated motor |
| 05/18/2000 | CA2349862A1 A system for controlling a rotary device |
| 05/17/2000 | EP1000000A1 Apparatus for manufacturing green bricks for the brick manufacturing industry |
| 05/17/2000 | CN2378880Y Control circuit for synchro motor |
| 05/17/2000 | CN2378873Y Hub type lower-speed DC brushless electric machine |
| 05/17/2000 | CN1253411A Brushless motor driving device for outside fan of air conditioner |
| 05/16/2000 | US6064175 Sensorless three-phase brushless DC motor drive circuit |
| 05/16/2000 | US6064164 Brushless d.c. motor |
| 05/16/2000 | US6064163 Apparatus and method for controlling a DC brush-less motor based on the duty ratio or pulse width of a detected pulse |
| 05/11/2000 | WO2000008744A3 Apparatus and method of regulating the speed of a dc brushless motor |
| 05/11/2000 | DE19949804A1 Electronically commutated motor has arrangement that alters duty ratio of bridge control PWM signal depending on motor parameters to reduce current generated by motor if braking current exceeds threshold |
| 05/09/2000 | US6061258 Monitoring of current in an inductive load, PWM driven through a bridge stage |
| 05/09/2000 | US6060879 Current magnitude sensing circuit |
| 05/09/2000 | US6060859 Motor driver having a booster circuit and an inverter both controlled by pulse width modulation |
| 05/09/2000 | US6060851 Control device capable of supplying sinusoidal power to brushless motor of a washing machine |
| 05/09/2000 | US6060848 System for controlling a brushless electric motor |
| 05/09/2000 | US6060613 By condensing an acidic amino acid with a long chain fatty acid halide in water in the presence of an alkali, wherein the reaction is performed in the presence of a polyhydric alcohol |
| 05/04/2000 | WO2000025415A1 Method and apparatus for reducing torque vibrations in a synchronous machine |
| 05/04/2000 | DE19851712A1 Supplying switched reluctance, transversal flux machines with integral commutation, involves passing magnetic energy between windings with assistance from induced voltages |
| 05/02/2000 | US6057664 Motor driving control unit and motor driving control method |
| 05/02/2000 | US6057663 Current control in driving DC-brushless motor with independent windings |
| 04/25/2000 | US6054825 Method and apparatus for high voltage generation |
| 04/25/2000 | US6054824 Drive circuit with signal detection capability for a DC brushless fan motor |
| 04/25/2000 | US6054820 Motor drive control system |
| 04/20/2000 | WO2000022723A1 Method and device for controlling a brushless electric motor |
| 04/19/2000 | EP0994561A2 Method for restarting a synchronous permanent magnet motor still rotating |
| 04/19/2000 | CN2375030Y D. C. brushless fan driving circuit |
| 04/18/2000 | US6052017 Method and circuit for enabling rapid flux reversal in the coil of a write head associated with a computer disk drive, or the like |
| 04/18/2000 | US6051946 Electrical angle detection apparatus, method of detecting electrical angle, and motor control apparatus |
| 04/18/2000 | US6051944 Drive-circuit of a brushless DC motor |
| 04/18/2000 | US6051943 Servo motor controller using position interpolation |
| 04/18/2000 | US6051942 Method and apparatus for controlling a switched reluctance machine |
| 04/13/2000 | WO2000021189A1 Electronically commutated motor |
| 04/13/2000 | DE19948110A1 Detection method for sensing the speed of rotation of a DC electric motor has, an interrupted pulse code modulated control signal |
| 04/13/2000 | DE19846831A1 Verfahren und Vorrichtung zur Ermittlung der Rotorstellung von Synchronmotoren Method and apparatus for determining the rotor position of synchronous motors |
| 04/12/2000 | EP0993108A2 Method and apparatus for determining the rotor position of a synchronous motor |
| 04/12/2000 | EP0858623A4 Motor controlled surgical system |
| 04/12/2000 | CN1250244A Driver for switching reluctance motor |
| 04/11/2000 | US6049187 Speed control for brushless repulsion motor |
| 04/11/2000 | US6049183 Brushless direct current fan |
| 04/11/2000 | US6049182 Motor speed control device |
| 04/11/2000 | US6049152 Motor/generator |
| 04/06/2000 | WO2000019593A1 Synchronous motor |
| 04/06/2000 | DE19845626A1 Elektronisch kommutierter Motor Electronically commutated motor |
| 04/05/2000 | EP0991179A1 Method of inferring initial pole position of permanent magnet brushless motor |
| 04/05/2000 | EP0991178A1 A synchronous electric motor |
| 04/05/2000 | EP0990303A1 Method for controlling at least two electrical consumers |
| 04/05/2000 | EP0990302A1 Electronically commutated engine |
| 04/05/2000 | CN1249862A Improvement in high speed electric motors |
| 04/05/2000 | CN1051182C Device for controlling speed of rotating DC motor |
| 04/04/2000 | US6046559 Motor control method and disk unit |
| 04/04/2000 | US6046555 System and method for determining a magnetic offset of a brushless DC motor |
| 04/04/2000 | US6046554 Method and apparatus for calibrating a permanent-magnet motor using back EMF measurement |
| 03/30/2000 | DE19944244A1 Regenerative braking system for re-extraction of electrical energy generated by regenerative operation of electric motor, has detection of armature current, supply voltage and motor speed |
| 03/30/2000 | DE19939861A1 Load control system for drive unit has driver circuit stopping operation of drive unit on basis of output signal from determination unit indicating short-circuit of signal input |
| 03/29/2000 | EP0989665A1 Speed control device for brushless motor |
| 03/29/2000 | EP0989664A1 Driving device for three-phase brushless motor |
| 03/29/2000 | EP0989656A1 Permanent magnet excited electric rotary drive |
| 03/29/2000 | EP0989552A2 Disk drive apparatus and motor |
| 03/29/2000 | EP0988689A1 Reluctance motor |
| 03/28/2000 | US6043619 Method and circuit arrangement for commutation of a multiple winding electric motor |
| 03/28/2000 | US6043618 Motor driving apparatus having back-gate-floating MOSFET for avoiding reverse current |
| 03/28/2000 | US6042349 Fuel supply device |
| 03/28/2000 | US6041625 Washing machine with direct drive mechanism for rotatable tub and agitator |
| 03/22/2000 | EP0986855A1 Electronically commutated motor |
| 03/21/2000 | US6040827 Driver circuit, driver integrated circuit, and display device and electronic device using the driver circuit and driver integrated circuit |
| 03/21/2000 | US6040671 Constant velocity control for an actuator using sampled back EMF control |
| 03/21/2000 | CA2148633C Motor drive with programmable function switches |
| 03/16/2000 | WO2000014866A1 Controller for ac motor |
| 03/16/2000 | WO2000014864A1 Method for controlling a current-regulated motor |
| 03/16/2000 | DE19823682C1 Schaltungsanordnung zur Drehzahlerfassung elektronisch kommutierter Elektromotoren Circuit arrangement for speed detection electronically commutated electric motors |
| 03/15/2000 | EP0985753A1 Motor driving system |
| 03/15/2000 | EP0985496A1 Machine tool |
| 03/15/2000 | CN1247643A Brushless direct current motor having adjustable motor characteristics |
| 03/15/2000 | CN1050473C Frequency generator of brushless motor |
| 03/15/2000 | CN1050468C Switching magnetic reluctance drive means, its control method and electric machine controller |
| 03/14/2000 | US6037741 Motor controller and method of controlling motor |
| 03/14/2000 | US6037739 Electromagnetic drive system with integrated path signal generation |
| 03/09/2000 | WO2000013302A1 Controller for pwm/pam motor, air conditioner, and method of motor control |