| Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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| 01/25/2007 | US20070018599 Motor driving device and motor driving method |
| 01/25/2007 | US20070018598 Method of Operating a Three Phase Sensorless Brushless Motor |
| 01/24/2007 | EP1746718A1 Method for directly controlling the reactance of a revolving field machine |
| 01/24/2007 | EP1745541A1 Commutator motor having a number of field winding groups |
| 01/18/2007 | US20070013238 Mesh connected electrical rotating machine with span changing |
| 01/18/2007 | US20070012505 Electric steering and driving system for a lateral wheel-steering vehicle |
| 01/17/2007 | EP1743544A2 Electrical apparatus system |
| 01/17/2007 | EP1743414A2 Coil switching circuit for linear electric generator |
| 01/17/2007 | CN1898515A Air-separation apparatus, integrated air-separation and metal-production apparatus and method of starting one such air-separation apparatus |
| 01/16/2007 | US7164252 Electrically powered hand tool |
| 01/11/2007 | WO2007003868A1 Electric motor |
| 01/11/2007 | CA2613900A1 Electric motor |
| 01/10/2007 | EP1742348A1 Device and method for the determination of the torque supplied by an asynchronous electric motor |
| 01/10/2007 | EP1740804A1 Method and system for controlling a free-piston energy converter |
| 01/10/2007 | CN2857323Y Auto speed variable differential dynamo |
| 01/09/2007 | US7161787 Low power solenoid driver circuit |
| 01/09/2007 | US7161267 Displacement apparatus, litographic apparatus, device manufacturing method, and device manufactured thereby |
| 01/09/2007 | US7159307 Electrically operated chucking apparatus |
| 01/09/2007 | CA2290759C Intelligent switch control circuit |
| 01/03/2007 | EP1739812A2 Linear motor and linear compressor using the same |
| 01/03/2007 | EP0928493B1 System and method for servo control of nonlinear electromagnetic actuators |
| 01/03/2007 | CN2854929Y Electric saver for single-phase electric motor |
| 01/02/2007 | US7157722 Positioning device and method of initializing a positioning device |
| 12/27/2006 | EP1737122A2 Generic motor control system |
| 12/27/2006 | EP1737120A1 Voice coil actuator with embedded capacitive sensor for motion, position and/or acceleration detection |
| 12/27/2006 | EP1737119A1 Piloting unit, preferably of vibration apparatus |
| 12/27/2006 | EP1735888A1 Series motor and method for controlling the same |
| 12/27/2006 | CN1292532C Driving device for linear motor |
| 12/26/2006 | US7154208 Control apparatus for vibration type actuator |
| 12/20/2006 | CN1291546C Rotary speed search device of induction motor and its method |
| 12/19/2006 | US7151359 Variable reluctance generator |
| 12/19/2006 | US7151348 Motor driving apparatus |
| 12/14/2006 | WO2006131878A1 Sensorless measurement of the rotation frequency of a rotor of an asynchronous machine |
| 12/14/2006 | US20060279242 Method for effecting the power-optimal control of bldc motors |
| 12/13/2006 | EP1730837A1 Control device for roller shutter drive motor |
| 12/13/2006 | CN2847692Y Ion injector linear motor control system |
| 12/13/2006 | CN1879283A Space vector PWM modulator for permanent magnet motor drive |
| 12/13/2006 | CN1878632A Power tool and method for controlling a power tool |
| 12/13/2006 | CN1877965A Inner feedback integrated type brushless alternating current machine |
| 12/12/2006 | US7148643 Driving a single-phase motor |
| 12/12/2006 | US7148642 Controller arrangement with automatic power down |
| 12/12/2006 | US7148636 Motor drive control apparatus |
| 12/07/2006 | WO2006130565A2 Apparatus and method for increasing efficiency of electric motors |
| 12/07/2006 | DE102005025770A1 Verfahren zur Regelung eines Reluktanzmotors Method for controlling a reluctance motor |
| 12/05/2006 | US7145302 Method and apparatus for driving a brushless direct current motor |
| 11/30/2006 | WO2006126426A1 Linear motor control method and linear motor control device |
| 11/30/2006 | WO2006125240A1 Method for position and/or speed control of a linear drive |
| 11/30/2006 | US20060267531 Method of operating an electronically commutated motor, and method for carrying out such a method |
| 11/30/2006 | DE102005023880A1 Measuring device for recognizing actual rotation number of universal motor, has evaluation device calculating number of rotation of motor from temporal distance of current irregularities, which are formed as current ripples |
| 11/29/2006 | CN1871763A Multiphase motor winding topology and control |
| 11/28/2006 | US7141949 Low noise back EMF sensing brushless DC motor |
| 11/23/2006 | US20060261776 Brushless repulsion motor speed control system |
| 11/23/2006 | US20060261773 Method, system, and program product for feedback control of a target system utilizing imposition of a periodic modulating signal onto a command signal |
| 11/22/2006 | EP1724914A2 System and method for controlling linear compressor |
| 11/22/2006 | EP1723026A1 Electric steering and driving system for a wheel-steering vehicle |
| 11/22/2006 | CN1867773A Electromagnetic pump driving method |
| 11/22/2006 | CN1286263C Driving control method for linear vibratory motor and driving control device |
| 11/22/2006 | CN1286261C Device and method for controlling supply of current and static capacitance to compressor |
| 11/21/2006 | US7139040 Method to correct non-periodic index event time-of-arrival data in a synchronization system |
| 11/16/2006 | WO2006121958A1 Variable speed drive for a chiller system with a switched reluctance motor |
| 11/16/2006 | US20060255754 Power tool and method for controlling a power tool |
| 11/16/2006 | DE19824223B4 Steuereinrichtung für einen Reluktanzmotor A control device for a reluctance motor |
| 11/16/2006 | CA2607450A1 Variable speed drive for a chiller system with a switched reluctance motor |
| 11/15/2006 | CN1862946A Method for controlling advance angle of double salient-pole electric machine and circuit thereof |
| 11/13/2006 | CA2545984A1 Filtering and boosting a signal from a drive circuit |
| 11/09/2006 | US20060250099 Method for sensing the back electromotive force induced in the winding of a voice coil motor |
| 11/08/2006 | CN1860676A Electric vehicle with adaptive cruise control system |
| 11/02/2006 | EP1717947A2 Switched reluctance generator with improved generation efficiency in low-speed range |
| 11/02/2006 | EP1717946A2 Switched reluctance generator |
| 11/02/2006 | EP1716633A1 Control of electrical machines |
| 11/02/2006 | EP1716632A1 Control of electrical machines |
| 11/01/2006 | CN2834013Y Oil extractor motor control cabinet |
| 11/01/2006 | CN2834012Y IGBT-based chopping speed regulator |
| 10/26/2006 | WO2006113121A1 Induction and switched reluctance motor |
| 10/26/2006 | WO2006111252A1 Heat treatment of metal work pieces |
| 10/26/2006 | US20060238154 Controller arrangement with automatic power down |
| 10/26/2006 | DE102005017747A1 Antrieb für ein sich längs einer Fahrbahn bewegendes Fahrzeug, insbesondere eine Magnetschwebebahn Driving on a road along a moving vehicle, especially a magnetic levitation |
| 10/26/2006 | DE102005017498A1 Synchronlinearmotor mit berührungsloser Abtastung der Zahnstruktur des Sekundärteils Synchronous linear motor with non-contact scanning of the tooth structure of the secondary part |
| 10/26/2006 | CA2605124A1 Heat treatment of metal work pieces |
| 10/25/2006 | CN1282297C Power supply circuit for 3-phase asynchronous motor |
| 10/25/2006 | CN1281865C Device and method for controlling reciprocative compressor |
| 10/24/2006 | US7126309 Motor |
| 10/24/2006 | US7126306 Motor control unit |
| 10/19/2006 | WO2006109037A1 Converting mechanical vibrational energy into electrical energy |
| 10/18/2006 | EP1713171A1 Electrically driven vehicle |
| 10/18/2006 | CN1848665A Three-switch type power converter |
| 10/18/2006 | CN1280979C Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor |
| 10/17/2006 | US7123462 Load control device |
| 10/12/2006 | WO2006106642A1 Control device |
| 10/12/2006 | DE112004002100T5 Geschwindigkeitssteuerungssystem für einen bürstenlosen Repulsionsmotor Speed control system for a brushless Repulsion |
| 10/11/2006 | EP1709727A1 Method for reducing the rotational speed of a drivetrain in a wind energy plant and wind energy plant with at least two nominal speeds |
| 10/11/2006 | EP1709378A1 Air-separation apparatus, integrated air-separation and metal-production apparatus and method of starting one such air-separation apparatus |
| 10/11/2006 | EP1709328A1 A linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system |
| 10/11/2006 | EP1708853A1 Electric hand-held power tool having a memory function |
| 10/11/2006 | CN2826829Y Remote control energy-saving safety control cabinet of pumping unit |
| 10/11/2006 | CN1846349A Transient protection and current control of devices |
| 10/11/2006 | CN1846061A Linear motor controller improvements |
| 10/11/2006 | CN1279691C Electric control energy saving device for oil pump unit |
| 10/10/2006 | US7119512 Switched reluctance machine control system and method |
| 10/05/2006 | WO2006103159A1 High-phase order generator |