| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 09/05/2013 | DE102012101689A1 Method for determining position of spindle nut or adjustable part of spindle drive of drive device in motor vehicle, involves driving spindle at axis, and determining position of nut or adjustable part based on number of rotations of shaft |
| 09/04/2013 | CN203180815U Direct current motor speed regulation controller based on time base integrated circuit |
| 09/04/2013 | CN203180814U Rectifying circuit of excitation power source of DC motor |
| 09/03/2013 | US8525460 Architecture for robust force and impedance control of series elastic actuators |
| 09/03/2013 | US8525451 Motor control device, electric power steering system, and vehicle steering system |
| 08/28/2013 | CN203166818U Half-conversion control device of mining electric shovel motor magnetic field |
| 08/28/2013 | CN103269194A Drive circuit of two-phase half-wave direct current brushless temperature control fan |
| 08/28/2013 | CN103269193A Major loop circuit of two-phase direct current brushless temperature control fan |
| 08/27/2013 | US8519647 Direct current motor |
| 08/21/2013 | CN203151420U Control system of motor |
| 08/21/2013 | CN203151419U Rotating speed controller for gun drill |
| 08/21/2013 | CN203151418U Zoom regulating controller |
| 08/21/2013 | CN203151417U Controller for reversing of series motor of series electric vehicle |
| 08/21/2013 | CN203151416U Direct current motor limiting drive circuit based on optoelectronic switches |
| 08/21/2013 | CN203140084U Shredder with two-grade speed adjustable motor |
| 08/21/2013 | CN203138174U Modified handheld stirring rod |
| 08/21/2013 | CN103261555A Starting circuit for direct-current electric motor |
| 08/21/2013 | CN103259469A Electronic commutation brushless direct current and single phase fan circuit and control method thereof |
| 08/21/2013 | CN103259468A Motor driving circuit and motor unit equipped with the same |
| 08/21/2013 | CN102082531B Device and method for controlling stopping and descending of direct-current motor |
| 08/20/2013 | US8513908 Fan speed control circuit |
| 08/20/2013 | US8512200 Method for operating a hybrid drive of a motor vehicle |
| 08/15/2013 | US20130209074 Control system for a straight slot direct current motor actuator |
| 08/15/2013 | US20130207573 Synchronous control apparatus for speed-reducing dc motor |
| 08/14/2013 | EP2625779A2 Electric motor having windings operable in parallel and/or series, and related methods |
| 08/14/2013 | EP2625420A1 Method for operating an electrical machine |
| 08/14/2013 | CN203135781U 控制电路 The control circuit |
| 08/14/2013 | CN203135780U Reversing converter and series excitation motor speed regulation circuit |
| 08/14/2013 | CN203135779U Pulse-width speed-adjusting device for DC motor |
| 08/14/2013 | CN203135778U Marine thyristor reversible DC speed regulation control system |
| 08/14/2013 | CN203135777U Instantaneous high energy-driven direct current servo control device |
| 08/14/2013 | CN203133098U Rotate speed detecting and controlling device used for DC electric motor |
| 08/14/2013 | CN103248299A Method for operating an work tool with an electric motor and a work tool with an electric motor |
| 08/14/2013 | CN103248298A Driving method for DC motor |
| 08/14/2013 | CN103248297A Motor driving device based on AT89S52 singlechip |
| 08/14/2013 | CN103248296A DC motor control device |
| 08/14/2013 | CN103247433A Tapped self-coupling AC (alternating current) voltage regulator based on sectional winding with variable cross sections |
| 08/13/2013 | US8508178 Torque based electronic pulse width modulation control system for a switched reluctance motor |
| 08/13/2013 | US8508159 Device and method for controlling the movement of a both motorically and manually movable vehicle part |
| 08/13/2013 | CA2729357C Movable barrier operator auto-force setting method and apparatus |
| 08/08/2013 | WO2012085412A3 Method and device making it possible to determine the position of the rotor of an electric machine |
| 08/08/2013 | US20130202275 Method for Calibrating a Drive Motor for a Toner Metering Device in an Imaging Apparatus |
| 08/08/2013 | US20130200836 Motor control device, image forming apparatus, motor control method, and computer-readable storage medium |
| 08/08/2013 | DE102013002245A1 Steuervorrichtung für Gleichstrommotor A control device for DC motor |
| 08/08/2013 | DE102012002270A1 Verfahren zum Betrieb eines Arbeitsgerätes mit einem Elektromotor und Arbeitsgerät mit einem Elektromotor Method for operating a working machine having an electric motor and working tool with an electric motor |
| 08/07/2013 | EP2624440A2 Motor control device, image forming apparatus, motor control method, and computer-readable storage medium |
| 08/07/2013 | CN203119827U Microprogrammed control unit based brushless direct-current motor controller |
| 08/07/2013 | CN203119826U Driving control device of series wound direct current motor |
| 08/07/2013 | CN203119825U Sound-control direct current brushless motor driver |
| 08/07/2013 | CN203119824U Direct current motor power-saving device |
| 08/07/2013 | CN203119823U Non-inductive brushless motor controller with real time data recording function |
| 08/07/2013 | CN203119822U Roller press rotor side frequency conversion speed regulation circuit |
| 08/07/2013 | CN103230230A Handheld stirring rod and processing method thereof |
| 08/06/2013 | US8503176 Fan system with switching module connecting PWM device and fan |
| 08/06/2013 | US8502490 Method and apparatus for increasing the run time of an electric cart |
| 08/01/2013 | US20130193892 Hybrid construction machine |
| 08/01/2013 | US20130193891 Precision-fastening handheld cordless power tools |
| 08/01/2013 | US20130193887 Motor control device |
| 08/01/2013 | US20130193883 Motor device |
| 08/01/2013 | DE102012201269A1 Wahlweise Steuerung eines Wechselstrommotors oder Gleichstrommotors Optionally, control of an AC motor or DC motor |
| 08/01/2013 | DE102012201163A1 Control method for setting drive frequency of electric actuator of electro-hydraulic brake assembly of motor car, involves adjusting driving frequency in normal operation of actuator for adjusting load-insensitive value |
| 07/31/2013 | CN203104349U Brush motor controller and electric vehicle |
| 07/31/2013 | CN103227043A Carbon brush contact-type self-coupling-type AC (alternating current) voltage regulator based on segmented variable cross-section windings |
| 07/31/2013 | CN101224571B Hand-held electric tool |
| 07/30/2013 | US8497649 Motor driving control apparatus for controlling motor output according to power characteristics of AC power supply |
| 07/30/2013 | US8497646 Controller for AC electric motor and electric powered vehicle |
| 07/30/2013 | US8497644 Refrigerator and method for controlling the same |
| 07/30/2013 | US8497643 Linear scale, linear motor, and linear motor controller |
| 07/30/2013 | US8497641 HDD with VCM back EMF and voltage control circuitry |
| 07/25/2013 | WO2013045148A3 Method for operating an electronically commutated electric motor |
| 07/24/2013 | CN203086399U Direct-current motor controller of electric fork truck lifting hydraulic pump |
| 07/24/2013 | CN203086398U Speed-variable hairdryer |
| 07/24/2013 | CN103219934A Optimum phase position fine adjustment method of driving voltages of direct current brushless motor and motor |
| 07/24/2013 | CN101836355B Method for detecting a load drop |
| 07/23/2013 | US8494349 Measuring pressure |
| 07/23/2013 | US8493016 Semiconductor circuit device including switching element |
| 07/23/2013 | US8493014 Controller and method for estimating, managing, and diagnosing motor parameters |
| 07/23/2013 | US8493013 Electric motor control algorithm with bypass relay |
| 07/23/2013 | US8493007 Method for ascertaining measured values in a cyclically controlled system |
| 07/18/2013 | US20130181653 Brushless starter-generator assembly and method to control magnetic flux excitation |
| 07/18/2013 | US20130181651 Apparatus and method for controlling fan motor |
| 07/18/2013 | US20130181648 Actuator control system |
| 07/17/2013 | CN203071856U Bidirectional DC motor driving circuit |
| 07/17/2013 | CN203071855U Motor controller |
| 07/17/2013 | CN103208958A DC (direct control) servo drive control system |
| 07/16/2013 | US8489250 Fan control system and method for a computer system |
| 07/16/2013 | DE202013102468U1 Schaltungsanordnung zur Betätigung eines gleichspannungsgespeisten linearen Stellantriebes Circuit arrangement for operating a DC-powered linear actuator |
| 07/11/2013 | US20130175961 Electric power tool |
| 07/10/2013 | CN203057533U Direct current motor wireless ad-hoc network control system based on Zigbee |
| 07/10/2013 | CN203057056U PWM speed regulation system of direct current motor |
| 07/10/2013 | CN203057055U High-power mining series excited DC motor controller |
| 07/10/2013 | CN203057054U Motor, controller of motor and speed regulating circuit of same |
| 07/10/2013 | CN203057053U 12 pulsating direct-current speed regulating cabinet |
| 07/10/2013 | CN203057052U Motor control system of low voltage direct current frequency conversion range hood |
| 07/10/2013 | CN203057051U 48V series excitation forklift traction motor controller |
| 07/10/2013 | CN103201945A Programmable motor and method |
| 07/10/2013 | CN103201934A 音圈电机及其驱动方法 Voice coil motor and its driving method |
| 07/10/2013 | CN103199781A Apparatus and method to control brushless direct current motor |
| 07/10/2013 | CN103199780A Rapid accurate adjusting device and adjusting method of degaussing sub-power source current |
| 07/09/2013 | US8482235 Fan arrangement in which the consumed electric power is influenced |