| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 06/09/2011 | DE102009056784A1 Verfahren und Vorrichtung zum Betrieb eines Elektromotors Method and apparatus for operating an electric motor |
| 06/09/2011 | DE102009047645A1 Elektromotor mit einem Pulsweitenmodulator Electric motor with a pulse width modulator |
| 06/09/2011 | DE102009047608A1 Verfahren und Vorrichtung zum Kalibrieren einer Spannungsmessung an einer Treiberschaltung Method and apparatus for calibrating a voltage measurement at a driver circuit |
| 06/08/2011 | CN201860289U Motor control circuit of radiator fan |
| 06/08/2011 | CN201860288U Non-speed sensor speed-adjusting device of DC motor |
| 06/08/2011 | CN102088267A Connecting rod type reciprocating vibration control system |
| 06/08/2011 | CN101378240B Motor driving circuit |
| 06/03/2011 | WO2011064030A1 Apparatus and method for measurement of a motor current of a direct-current motor |
| 06/02/2011 | US20110127941 Power tool |
| 06/01/2011 | CN201854236U Digital display direct-current motor speed regulating system based on single chip microcomputer AT89S52 |
| 06/01/2011 | CN201854235U Simple speed regulation control circuit of PWM (pulse width modulation) DC motor |
| 06/01/2011 | CN201854234U MEMS (micro electro mechanical system) turning gear |
| 06/01/2011 | CN201853158U Power regulating circuit for direct-current motor and heating plate |
| 06/01/2011 | CN201851101U Experimental measurement platform system applicable to high-power transmission and communication system |
| 06/01/2011 | CN102082538A Method and device for adjusting speed of direct current motor |
| 06/01/2011 | CN102082537A Control method and system of motor for electric automobile |
| 06/01/2011 | CN102082531A Device and method for controlling stopping and descending of direct-current motor |
| 05/31/2011 | US7952312 Closure panel control apparatus |
| 05/31/2011 | US7952311 Method and apparatus for variation of a rated current |
| 05/31/2011 | US7952306 Power system with multiple generator units |
| 05/26/2011 | WO2011060531A1 Discrete voltage level controller |
| 05/26/2011 | US20110120073 Water-Resistant Electric Motor |
| 05/26/2011 | DE102009047042A1 Vorrichtung und Verfahren zum Messen eines Motorstroms eines Gleichstrommotors Apparatus and method for measuring a motor current of a DC motor |
| 05/26/2011 | DE102009046959A1 Verfahren zur Kompensation von Störmomenten in elektrischen Arbeitsmaschinen Method of compensating for disturbing torques in electric vehicles |
| 05/25/2011 | EP2324566A2 Method and device for processing a motor signal of a dc motor, having current ripples |
| 05/25/2011 | CN201846296U Fan driving circuit capable of regulating speed automatically and power supplying circuit |
| 05/25/2011 | CN1787721B Method for positioning power controlling device of electric driving power electronic power converter and apparatus thereof |
| 05/25/2011 | CN102075133A Direct current motor speed regulation controller |
| 05/25/2011 | CN102075132A DC motor type triggered travel control device |
| 05/25/2011 | CN102069723A Power device of electric automobile |
| 05/25/2011 | CN101697470B Method for controlling vibration of linear motor |
| 05/25/2011 | CN101156311B Device and method for controlling an electromechanical power converter |
| 05/25/2011 | CN101079588B Pulsation detecting device |
| 05/24/2011 | US7949235 Electronic module and arrangement for signal transmission with the former |
| 05/24/2011 | US7949234 Motor speed control circuit |
| 05/24/2011 | US7949233 Method and device for controlling a heat-dissipating fan for an electronic component |
| 05/24/2011 | US7946951 Vehicle, driving apparatus and control method of both |
| 05/19/2011 | WO2011057629A2 Assembly for actuating an actuator in a motor vehicle |
| 05/19/2011 | WO2011057577A1 Lawn mower |
| 05/19/2011 | US20110113591 Cleaning implement having audible consumer signal |
| 05/19/2011 | DE102009052885A1 Adjusting device for bed, has electric motors controlled by four relays, where three of relays are connected to first terminal of all motors and fourth common relay is connected to second terminal of all motors |
| 05/19/2011 | DE102009044549A1 Baugruppe zum Ansteuern eines Stellgliedes in einem Kraftfahrzeug An assembly for driving an actuator in a motor vehicle |
| 05/18/2011 | EP2321896A1 Method for determining measured values in a system driven in clocked fashion |
| 05/18/2011 | EP2321158A1 Device and method for controlling an electric motor |
| 05/18/2011 | CN201839020U Control system simultaneously controlling motor and DC-DC power supply of HEV (hybrid electric vehicle) |
| 05/18/2011 | CN201837503U Automobile engine knocking sensor test stand and motor control circuit |
| 05/18/2011 | CN201833890U Locomotive-travelling controller and locomotive-travelling control system |
| 05/18/2011 | CN102057800A Mower |
| 05/18/2011 | CN101394147B DC motor speed control device and method |
| 05/18/2011 | CN101256910B Switch of electric tool and electric tool using the switch |
| 05/12/2011 | WO2008110964A3 Controlling a power of an electrical motor |
| 05/12/2011 | DE102010042863A1 Drehwinkelerfassungsvorrichtung und Ansteuereinheit Rotation angle detecting device and control unit |
| 05/12/2011 | DE10001094B4 Verfahren und Vorrichtung zum optimalen Bremsen von Druckmaschinen Method and apparatus for optimum braking of printing machines |
| 05/11/2011 | EP2320557A2 Method and apparatus for powering a pitch control system |
| 05/11/2011 | CN201826671U Electric window control device and automobile window control system comprising same |
| 05/11/2011 | CN201822798U Host mainboard for Intelligent dust collector |
| 05/11/2011 | CN102057565A Method and device for controlling a motor |
| 05/11/2011 | CN102055395A Motor driver for machine tool with fan motor |
| 05/11/2011 | CN102055069A Electric tuning antenna control system and method |
| 05/11/2011 | CN101567656B Switch type regulating circuit and double-coil motor device |
| 05/11/2011 | CN101429943B Timing fan |
| 05/10/2011 | US7940022 Motor controlling device and method thereof |
| 05/10/2011 | US7940021 Motor sensing circuit with transient voltage suppression |
| 05/05/2011 | US20110102214 Rotation angle detecting device and drive unit |
| 05/05/2011 | US20110101904 Overheat Protection Apparatus |
| 05/04/2011 | EP2145384B1 Electric drive |
| 05/03/2011 | US7936140 Torque control circuit for electrical motor |
| 04/28/2011 | WO2011049543A1 Electric motor with a dc travelling magnetic field (variants) |
| 04/28/2011 | US20110095717 Method of and apparatus for controlling oil temperature increase for electric vehicle and electric vehicle |
| 04/28/2011 | DE19922622B4 Gleichstrom-Drehmomentmotor sowie Treibersteuervorrichtung und Drosselventilsteuervorrichtung, die einen Gleichstrom-Drehmomentmotor verwenden DC torque motor and drive control means and throttle valve control device that uses a DC torque motor |
| 04/28/2011 | DE102007055837B4 Last-Ansteuerverfahren Load-driving |
| 04/27/2011 | EP2313968A2 Method and device for determining the operating state of an electric machine |
| 04/27/2011 | EP1602170B1 Excitation circuit and control method for flux switching motor |
| 04/27/2011 | EP1225489B1 Electronic timepiece |
| 04/26/2011 | CA2454503C Movable barrier operator auto-force setting method and apparatus |
| 04/26/2011 | CA2404768C Brushless dc ring motor cooling system |
| 04/21/2011 | US20110089877 Fault-tolerant electromechanical actuator having a torque sensing control system |
| 04/20/2011 | CN201805396U Device for realizing electronic commutation and four-quadrant working of series motor |
| 04/20/2011 | CN201805395U Medical speed regulation device |
| 04/20/2011 | CN102025307A Motor system, device for detecting rotate speed of the motor system and method for detecting rotate speed |
| 04/20/2011 | CN102019082A Fully automatic direct current frequency conversion mahjong machine |
| 04/20/2011 | CN101674042B Driving device for low-temperature superconductive ball rotor and driving method thereof |
| 04/20/2011 | CN101471618B Drive circuit and drive method for motor |
| 04/19/2011 | US7928680 Fan system and starting method thereof |
| 04/19/2011 | US7928674 Motor speed control systems |
| 04/14/2011 | US20110085842 Printing apparatus |
| 04/14/2011 | US20110084637 Motor and drive control system thereof |
| 04/14/2011 | US20110084632 Circuit for controlling rotation speed of computer fan |
| 04/13/2011 | EP2309640A2 Drive device for a blind with low voltage motor |
| 04/13/2011 | EP2309282A2 Method for detecting faults when controlling a rotating field motor |
| 04/13/2011 | EP2308737A1 Control system for train doors and actuation method based on said system |
| 04/13/2011 | EP1784911B1 Circuit arrangement and method for operating an electric motor with varying rotational speed at a constant-voltage source |
| 04/13/2011 | CN201797622U Circuit for dimming or speed regulation control |
| 04/13/2011 | CN201797476U Electric vehicle motor controller |
| 04/13/2011 | CN1904217B Self-propelled snow remover |
| 04/13/2011 | CN102013865A Series excitation direct-current motor controller with regenerative braking function |
| 04/13/2011 | CN102013864A Speed regulating method, speed regulating circuit and lifting device of permanent-magnet motor |
| 04/12/2011 | USRE42284 Signaling techniques for DC track powered model railroads |
| 04/07/2011 | US20110080128 Fan system circuit module |
| 04/07/2011 | DE102009045328A1 Schaltungsanordnung zum Betreiben eines Elektromotors Circuit arrangement for operating an electric motor |