| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 06/25/2009 | DE102007060949A1 Device for determining rotational speed of electric machine, particularly direct current motor, on basis of regenerative residual voltage, has circuit with main switch, which is arranged in current path of electric machine |
| 06/24/2009 | CN201263135Y Non-cable electric tool with multi-speed transmission and constant speed in light torquemoment range |
| 06/24/2009 | CN100503304C Electrically operated drive controller, electrically operated drive control method and its program |
| 06/23/2009 | US7552364 Diagnostic and managing distributed processor system |
| 06/23/2009 | US7550940 Overload current control circuit for a DC motor |
| 06/18/2009 | WO2009074856A1 Electric motor drive provided with electric energy accumulation for switch-devices |
| 06/18/2009 | WO2009074640A1 Circuit for controlling a number of motors |
| 06/18/2009 | US20090154906 System and Method for Controlling Multiple DC Fans |
| 06/18/2009 | US20090154905 Single Output H-Bridge Drive |
| 06/18/2009 | US20090153090 Motor controller |
| 06/18/2009 | US20090151801 Method, system and apparatus for an efficient design and operation of a pump motor |
| 06/18/2009 | DE102007060242A1 Verfahren und Vorrichtung zum Betreiben eines elektrischen Antriebs mithilfe einer Phasenanschnittssteuerung Method and apparatus for operating an electric drive using a phase control |
| 06/17/2009 | CN201260145Y Series excited machine control device |
| 06/16/2009 | US7548036 DC motor mechanical shock protection system |
| 06/16/2009 | US7548035 Control apparatus of electric power steering apparatus |
| 06/16/2009 | US7548034 Centrifuge |
| 06/11/2009 | US20090148140 Electronic Device for Regulating the Voltage Across a High-Side Load |
| 06/11/2009 | US20090148139 Method of Operating Drill with Solid State Speed Control |
| 06/11/2009 | US20090148138 Method for controlling an electric motor by using the PWM Technique |
| 06/10/2009 | EP2068435A1 Method for controlling an electric motor by using the PWM technique |
| 06/10/2009 | EP1854203B1 Ventilation appliance |
| 06/10/2009 | EP1797635B1 Device for the incremental control of a direct-current motor for the cooling fan of a motor vehicle |
| 06/10/2009 | DE202009001955U1 Schaltung zur Drehzahlregelung eines Elektromotors Circuit for speed control of an electric motor |
| 06/10/2009 | DE102007056229A1 Verfahren und Vorrichtung zur Positionsbestimmung eines beweglichen Schließteils eines Fahrzeugs Method and apparatus for determining the position of a movable closing member of a vehicle |
| 06/10/2009 | DE102007055718A1 Elektrowerkzeug Power Tool |
| 06/10/2009 | DE102007053613A1 Windkraftanlage mit Ansteuerschaltung für einen drehzahlbegrenzten und spannungsquellenschonenden Betrieb eines Pitchantrieb-Reihenschlussmotors bei generatorischen Momenten Wind turbine with a control circuit for a speed-limited and voltage source responsible operation of a pitch drive series-wound motor with regenerative moments |
| 06/10/2009 | CN201256378Y Speed-regulation start/stop brake controller of special DC motor for bill counter |
| 06/09/2009 | US7545655 Inverter apparatus |
| 06/09/2009 | US7545110 Motor drive control |
| 06/09/2009 | US7545070 Commutator motor having a number of field winding groups |
| 06/04/2009 | US20090140679 Tertiary lock system power unit |
| 06/04/2009 | DE102007057923A1 Direct-current motor method for determining the position of rotation in a drive shaft on a direct-current motor in a run-out/braking stage uses peak loads arising through transferring brushes from one stator lamella to another |
| 06/04/2009 | DE102007057922A1 Establishing the direct current motor drive shaft position, e.g. on starting a window winder/sliding roof motor, the motor current is monitored to give the ripple of current peaks for assessment |
| 06/04/2009 | DE102005047905C5 Fahrzeugsitzanordnung mit mindestens einer elektrischen Verstellung A vehicle seat assembly having at least one electrical adjustment |
| 06/03/2009 | EP2066016A1 Static switch for motors of climate control units and climate control unit comprising the switch |
| 06/03/2009 | EP2064808A1 Motor driving apparatus |
| 06/03/2009 | EP1673852B1 Method and circuit arrangement for operating a pulse width modulation-controlled electric motor |
| 06/03/2009 | CN101447758A Method for controlling an electric motor by using the PWM technique |
| 06/03/2009 | CN101447757A Method for controlling battery-powered mower |
| 06/03/2009 | CN101447756A Switching power supply circuit of embroidery machine and method for capacitating embroidery machine with speed regulation capacity |
| 06/03/2009 | CN100495898C A brushless motor controller having overload switching and adjusting function |
| 05/28/2009 | WO2009066840A2 Motor controller of air conditioner |
| 05/28/2009 | WO2009066839A2 Motor controller of air conditioner |
| 05/28/2009 | WO2009066838A2 Motor controller of air conditioner |
| 05/28/2009 | WO2009065699A2 Method and device for determining the position of a mobile closing part of a vehicle |
| 05/28/2009 | WO2009065540A2 Fan arrangement in which the consumed electric power is influenced |
| 05/28/2009 | WO2009065280A1 An electric shaver with an led/lcd speed display |
| 05/28/2009 | US20090136360 Method of constant airflow control for a ventilation system |
| 05/28/2009 | US20090136359 Motor control apparatus for a ventilation system |
| 05/28/2009 | US20090136220 Method of transition between controls for a ventilation system |
| 05/28/2009 | US20090134827 Compensation of motor control using current-rpm relation for a ventilation system |
| 05/28/2009 | US20090134823 Multi-level programming of motor for a ventilation system |
| 05/28/2009 | DE102007055230A1 Controller for e.g. table, has controlling part for controlling electrically adjustable furniture, and switching power supply supplying power to controlling part, where power supply and controlling part are integrated into housing |
| 05/28/2009 | DE102007054191A1 Elektronische Regeleinrichtung Electronic control device |
| 05/27/2009 | EP2063525A1 Electronic control device |
| 05/27/2009 | CN201248024Y DC drive system for mining side dismounting rock machine or mining digging drill vehicle running |
| 05/27/2009 | CN201248023Y Control circuit for DC fan motor of outdoor unit of air conditioner |
| 05/27/2009 | CN201248022Y Electric tool with motor control module |
| 05/27/2009 | CN101439327A Backpack high-pressure electric sprayer |
| 05/27/2009 | CN100492867C Coutrol device for electric booster steering system |
| 05/27/2009 | CN100491147C Control unit for moped |
| 05/26/2009 | US7538503 Hand-held power tool, in particular a trimmer or the like, having an electric drive motor |
| 05/26/2009 | US7538502 Motor driver circuit, control method thereof, and electronic apparatus |
| 05/21/2009 | US20090129761 Actuator for Automotive Climatization Units |
| 05/21/2009 | US20090129760 Method and device for controlling a heat-dissipating fan for an electronic component |
| 05/21/2009 | US20090128078 Motor and motor speed controlling system |
| 05/20/2009 | DE102008057871A1 Lüfteranordnung mit Beeinflussung der aufgenommenen elektrischen Leistung Fan assembly with influencing the electrical power consumed |
| 05/20/2009 | CN201243251Y Power system of variable torsion DC motor |
| 05/20/2009 | CN101436842A Motor drive circuit |
| 05/20/2009 | CN101436841A Motor |
| 05/20/2009 | CN100490300C Motor-generator integrated bidirectional AC/DC converting circuit |
| 05/19/2009 | USRE40713 Turbogenerator/motor controller |
| 05/19/2009 | US7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 05/14/2009 | WO2009020737A3 A motor controller |
| 05/14/2009 | WO2008069359A3 Motor power device and a motor including the same |
| 05/14/2009 | US20090121667 Electronic control system |
| 05/13/2009 | EP2058939A1 Wind energy plant with control circuit for operation under limited speed and voltage source protection concerning a series wound DC pitch drive with generator torque |
| 05/13/2009 | EP2057734A2 Method for determining the rotation speed of a starter |
| 05/13/2009 | CN201238281Y Integration type optoelectronic controlled silicon coupler |
| 05/13/2009 | CN101429943A Timing fan |
| 05/13/2009 | CN100488024C Current controller and method |
| 05/12/2009 | US7531978 System and method for controlling motion of electromechanical devices such as seats and opening elements of motor vehicles |
| 05/07/2009 | US20090116823 Fan speed control device |
| 05/07/2009 | US20090115425 Drive System and Method for Final Testing of an Electronic Domestic Appliance and Electronic Domestic Appliance Having the Drive System |
| 05/07/2009 | US20090115365 Method of determining torque limit with motor torque and battery power constraints |
| 05/07/2009 | US20090115359 Adjustment device for a motor vehicle seat |
| 05/06/2009 | CN201234417Y Insulation housing apparatus for waterproof low temperature pedal type speed regulator |
| 05/06/2009 | CN201234235Y Energy saving control system for non-reversible DC transmission experiment bench |
| 05/06/2009 | CN101425771A Control circuit, braking method, energy production method and device for DC motor |
| 05/06/2009 | CN101425770A Stepless speed regulator for DC electric motor |
| 05/06/2009 | CN100486100C Method and apparatus for driving brushless DC motor |
| 05/06/2009 | CN100486091C Device for controlling power supply by phase gating and method for reduction of harmonic waves |
| 05/06/2009 | CN100485580C Fan rotary speed control device using a microprocessor |
| 04/30/2009 | WO2009053161A1 Method for detecting a load drop |
| 04/30/2009 | WO2009052808A2 Circuit arrangement for a power tool |
| 04/30/2009 | WO2007001800A3 Digital motor control system and method |
| 04/30/2009 | US20090109712 Capacitor based energy storage |
| 04/30/2009 | DE102008052852A1 Schaltungsanordnung für ein Elektrowerkzeug Circuit arrangement for a power tool |
| 04/29/2009 | EP1766769A4 Electrical device for automatically adjusting operating speed of a tool based on tool wear |
| 04/29/2009 | EP1712448B1 Electric power steering device |