| 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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| 11/25/1997 | US5691638 Apparatus for obtaining 3-phase position detecting signals by using a single position detecting element |
| 11/25/1997 | US5691625 Using sensed stator terminal voltages for determining alternator rotor position for cranking an engine |
| 11/25/1997 | US5691613 Method for determining a rotor position of a rotary motor or linear motor, and circuit arrangement for carrying out the method |
| 11/25/1997 | US5691611 Abnormality detecting system and abnormality detecting method for rotor position detection means, and motor control system |
| 11/25/1997 | US5691591 Switched reluctance motor with indirect position sensing and magnetic brake |
| 11/19/1997 | CN2268339Y Brush-less dc. motor structure |
| 11/18/1997 | US5689181 Brushless motor speed detecting apparatus for reducing generation of spike voltage |
| 11/18/1997 | US5689166 Method and apparatus for controlling hybrid excitation type permanent magnet synchronous motor |
| 11/18/1997 | US5689165 Estimator initialization circuit and method for a sensorless switched reluctance machine system |
| 11/18/1997 | US5689162 Apparatus and method for current sensing for motor driver in pwm mode |
| 11/18/1997 | US5689159 Surgical tool system with brushless, sensorless motor |
| 11/13/1997 | WO1997042701A1 Control circuit for five-phase brushless dc motor |
| 11/11/1997 | US5686805 Repulsion motor |
| 11/11/1997 | US5686770 Position detector of a brushless motor |
| 11/06/1997 | WO1997041558A1 Pwm/linear driver for disk drive voice coil actuator |
| 11/05/1997 | EP0805383A1 Apparatus for controlling speed of a rotary motor |
| 11/04/1997 | US5684373 Encoder output method and servo motor encoder |
| 11/04/1997 | US5682826 Systems and methods for controlling a draft inducer for a furnace |
| 10/29/1997 | EP0803968A1 Motor speed controller |
| 10/28/1997 | US5682334 Motor start acceleration profile |
| 10/28/1997 | US5682089 Control circuit for generating a speed dependent deceleration force in an electronically commutated motor |
| 10/28/1997 | US5682088 Brushless D.C. motor having a predefined minimum time lapse between successive commutation switchings |
| 10/28/1997 | US5682072 Three-phase brushless motor |
| 10/23/1997 | WO1997039523A1 Soft switching, pwm controller and method for reducing torque ripple in multiphase dc motor |
| 10/23/1997 | WO1997039522A1 Improved method and apparatus for controlling a switched reluctance machine |
| 10/22/1997 | EP0802622A2 Driving apparatus for a brushless motor and rotor position detecting apparatus for the motor |
| 10/22/1997 | EP0802620A1 Method of starting electric machines |
| 10/22/1997 | EP0802613A2 Multi-phase, brushless DC motor |
| 10/22/1997 | EP0801843A1 Servo motor controller using position interpolation |
| 10/22/1997 | CN1163022A Process and circuit for controlling fans |
| 10/21/1997 | US5680021 Systems and methods for controlling a draft inducer for a furnace |
| 10/21/1997 | US5679997 Brushless DC motor and method for driving the same |
| 10/16/1997 | WO1997038487A1 Motor driving device |
| 10/16/1997 | WO1997038486A1 Estimator initialization circuit and method for a sensorless switched reluctance machine system |
| 10/16/1997 | WO1997038485A1 Instantaneous position indicating apparatus for a sensorless switched reluctance machine system |
| 10/16/1997 | WO1997038484A1 Relative angle estimation apparatus for a sensorless switched reluctance machine system |
| 10/16/1997 | WO1997038483A1 Estimator lock detection circuit for a sensorless switched reluctance machine system |
| 10/16/1997 | WO1997038482A1 Commutation apparatus and method for a sensorless switched reluctance machine system |
| 10/15/1997 | EP0801463A1 Control of a brushless motor |
| 10/15/1997 | EP0801462A1 Device generating three-phase position detecting signal with two coils |
| 10/15/1997 | EP0800718A1 Apparatus and method for starting a synchronous machine |
| 10/15/1997 | EP0653050B1 Position detection apparatus |
| 10/14/1997 | US5677607 Energization control system for a switched reluctance motor |
| 10/14/1997 | US5677605 Brushless DC motor using phase timing advancement |
| 10/14/1997 | US5677580 Transversal-flux permanent magnet motor |
| 10/14/1997 | US5676069 Systems and methods for controlling a draft inducer for a furnace |
| 10/14/1997 | CA2125587C Integrated anti-backlash gearhead motor |
| 10/08/1997 | EP0800264A2 Encoder output method and servo motor encoder |
| 10/08/1997 | EP0800263A1 Drive system for a brushless motor employing predefined profiles of driving currents stored in a nonvolatile memory |
| 10/08/1997 | EP0800262A1 Synchronous driving of the phase windings of a DC motor according to predefined digitized driving profiles permanently stored, the reading of which is synchronized with the rotor position for optimizing torque characteristics |
| 10/08/1997 | EP0631367B1 Integrated anti-backlash gearhead motor |
| 10/08/1997 | CN1161599A Brushless motor |
| 10/07/1997 | US5675226 Control circuit for an synchronous electric motor of the brushless type |
| 09/30/1997 | US5672948 Digital, Back EMF, single coil sampling, sensorless commutator system for a D.C. motor |
| 09/30/1997 | US5672944 Method and apparatus for minimizing torque ripple in a DC brushless motor using phase current overlap |
| 09/25/1997 | DE19610994A1 Development of motor driver with digitally generated sinewave-PWM e.g. for driving video heads |
| 09/23/1997 | US5670852 Pump motor and motor control |
| 09/23/1997 | CA2046149C Brushless dc motor |
| 09/18/1997 | DE19651820A1 Electronic control for single-phase synchronous motor |
| 09/17/1997 | EP0795434A1 Vehicle with an electric synchronous motor |
| 09/16/1997 | US5668456 Servo motor encoder |
| 09/16/1997 | US5668450 Half-wave, brushless, four-phase DC motor with bifilar windings |
| 09/16/1997 | US5668449 Motor with input-controlled high side driver |
| 09/16/1997 | CA2048018C Method for regulating the motor current of a brushless d.c. motor |
| 09/12/1997 | WO1997033364A1 Electronic control for a single-phase synchronous motor, single-phase synchronous motor and process for operating it |
| 09/12/1997 | WO1997033363A1 Electronically commutated motor |
| 09/11/1997 | DE19608424A1 Verfahren zum drehzahlabhängigen Steuern des Kommutierungszeitpunkts bei einem elektronisch kommutierten Motor, und Motor zur Durchführung eines solchen Verfahrens A method for controlling the rotational speed-dependent commutation instant in an electronically commutated motor, and the motor for performing such a method |
| 09/10/1997 | CN1159097A Scanning magnetism-controlling technology for synchronous electric motor |
| 09/09/1997 | US5666034 Method for controlling velocity of a rotary motor and an apparatus therefor |
| 09/04/1997 | WO1997032390A1 High-efficiency electric motor of electronic commutation type |
| 09/03/1997 | EP0793337A2 Electrical angle detecting device and synchronous motor drive device |
| 09/03/1997 | EP0792537A1 Method and apparatus for control of a switched reluctance motor |
| 09/03/1997 | CN1158675A Motor speed controller |
| 09/02/1997 | US5664047 System for controlling the speed of a motor driven by an unregulated voltage |
| 09/02/1997 | US5663618 Driving apparatus for a commutatorless DC motor |
| 09/02/1997 | US5663616 Noise tolerant brushless motor position monitoring apparatus and method |
| 08/27/1997 | EP0791241A1 Method and apparatus to maximize the top speed of brushless dc motors |
| 08/27/1997 | EP0791240A1 Economical wide range speed control system |
| 08/27/1997 | EP0766885A4 Brushless dc motor control network |
| 08/27/1997 | CN1158022A Electrical drive arrangement |
| 08/26/1997 | US5661383 Control of slew rate during turn-on of motor driver transistors |
| 08/26/1997 | US5661382 Motor drive circuit having a soft switching circuit and a push-pull configuration of transistors operated in a linear mode |
| 08/26/1997 | US5661381 Apparatus for external inductance sensing for variable-reluctance motor commutation |
| 08/26/1997 | CA2057992C Method of and or apparatus for electronically commutated motor control |
| 08/20/1997 | EP0790700A1 Apparatus for external inductance sensing for variable reluctance motor commutation |
| 08/20/1997 | EP0789948A1 Dual mode controller for a brushless dc motor |
| 08/20/1997 | CN1035710C Device for driving brushless DC motor and method of idntification of falt thereof |
| 08/19/1997 | US5659231 Brake for DC brushless motor |
| 08/19/1997 | US5659230 Brushless motor drive circuit |
| 08/14/1997 | WO1997029540A1 Switch mode sine wave driver for polyphase brushless permanent magnet motor |
| 08/14/1997 | CA2215787A1 Switch mode sine wave driver for polyphase brushless permanent magnet motor |
| 08/13/1997 | CN1157065A Brushless DC motor using phase timing advancement |
| 08/12/1997 | US5656897 Current sensing and control in brushless DC motors |
| 08/06/1997 | EP0788222A1 Current-controlled pwm inverter for motor control |
| 08/06/1997 | EP0788221A1 Commutation delay generator for a multiphase brushless DC motor |
| 08/06/1997 | EP0788220A1 Inverter to supply an electric traction motor in a vehicle |
| 08/06/1997 | EP0788215A2 Blower motor with adjustable timing |
| 08/06/1997 | EP0769220A4 Brushless dc motor using phase timing advancement |
| 08/06/1997 | CN1156346A Method and device for driving DC. brushless motor |
| 08/06/1997 | CN1035575C Recorder with drive phase detector |