| 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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| 05/30/2012 | CN202261156U Efficient electricity saver |
| 05/30/2012 | CN202261155U Electric executing mechanism with dynamic force balanced positioning |
| 05/30/2012 | CN102484447A 用于通用电动机的电动力的制动装置 Braking means for the electric power of the universal electric motor |
| 05/30/2012 | CN102484439A 包括开关系统、同步电机械、以及变速驱动器的组件 Including switching systems, synchronous electrical machinery, as well as components of variable speed drives |
| 05/30/2012 | CN102484437A 用于交流电动机控制的方法以及装置 AC motor control method and apparatus for |
| 05/30/2012 | CN102480263A 空调器、交流电机及其调速装置 Air conditioners, AC motor and speed control device |
| 05/30/2012 | CN102480210A 模块化、长行程电磁直线执行器及其电流换相技术 Modular, long stroke electromagnetic linear actuator technology and its current commutation |
| 05/30/2012 | CN101438490B Operation control device and method of compressor |
| 05/24/2012 | WO2012066939A1 Power control device and power control system |
| 05/24/2012 | WO2011026681A3 Method and device for determining a rotor position of a synchronous machine |
| 05/24/2012 | US20120126728 Integrated electric machine and silicon carbide power converter assembly and method of making same |
| 05/23/2012 | EP2456065A2 High power-density, high back emf permanent magnet machine |
| 05/23/2012 | EP2273657B1 Electric motor |
| 05/23/2012 | CN1429422B Reluctance motor and method for controlling reluctance motor |
| 05/23/2012 | CN102474217A 分布式布置的直线电机及分布式布置的直线电机的控制方法 Distributed control method and arrangement of linear motors arranged in a linear motor distributed |
| 05/23/2012 | CN102474216A 用于调节电动机的驱动电流频率的方法和装置 Method and apparatus for adjusting the frequency of the motor drive current |
| 05/23/2012 | CN101610057B Three-motor common-drive spiral tower system of spiral freezer |
| 05/22/2012 | US8183816 Method for field-oriented operation to zero speed of an encoder-less asynchronous machine |
| 05/18/2012 | WO2012063401A1 Brushless dc motor, and method for controlling same |
| 05/18/2012 | WO2011020650A3 Circuit assembly for a motor vehicle |
| 05/16/2012 | EP2452427A2 Method and apparatus for ac motor control |
| 05/16/2012 | CN202221976U Single-phase operation device of a small three-phase asynchronous motor |
| 05/15/2012 | US8179080 Reciprocating actuator with closed loop servocontrol |
| 05/15/2012 | US8179072 Method for counting the number of revolutions of a burr of a coffee mill and appliance comprising such a mill |
| 05/10/2012 | DE112010001155T5 Steuersystem für einen Einphasen-Induktionsmotor und Steuerverfahren für einen Einphasen-lnduktionsmotor A control system for a single phase induction motor and control method for a single phase induction motor |
| 05/09/2012 | EP2451061A1 Position detection device for movable magnet type linear motor |
| 05/09/2012 | CN202218190U Motor-driven circuit |
| 05/09/2012 | CN202218189U Load follow-up self-adapting power saving device special for pumping unit |
| 05/09/2012 | CN102449901A Position estimation at starting and lower speeds in three-phase switched reluctance machines |
| 05/09/2012 | CN102449900A Method for operating an induction machine containing a pulse-controlled converter |
| 05/09/2012 | CN101623827B Positioning numerical control device and method used for bending machine tool |
| 05/03/2012 | WO2012056844A1 Linear motor control apparatus |
| 05/03/2012 | WO2012056843A1 Transfer control device for distributed linear motor |
| 05/03/2012 | WO2012056842A1 Distributed linear motor system |
| 05/03/2012 | WO2011061233A3 Pitch drive device for a wind power or hydroelectric power station |
| 05/03/2012 | US20120104987 Method of controlling current of high-speed switched reluctance motor |
| 05/02/2012 | EP2448105A1 Motor control device |
| 05/02/2012 | EP2446529A2 Emergency adjusting device for blade adjusting systems of wind power plants |
| 04/26/2012 | WO2012053405A1 Control device and control method |
| 04/26/2012 | WO2012053027A1 Boost dc-to-dc converter and switched reluctance motor powered with the same |
| 04/26/2012 | US20120098355 Multiple-phase linear switched reluctance motor |
| 04/26/2012 | US20120098261 Systems and Methods Involving Electrical Start and Power Generation |
| 04/26/2012 | DE102010042870A1 Stator of electric machine e.g. induction machine used in vehicle e.g. electric car, has additive winding that is attached to neutral point, made to contact from outside of electric machine and magnetically coupled with stator winding |
| 04/25/2012 | CN102427327A 一种电机控制电路及其控制方法 A motor control circuit and control method |
| 04/25/2012 | CN101860316B 自适应负载随动控制技术系统 Adaptive Load servo control technology systems |
| 04/19/2012 | WO2012050362A2 Method for expressing vibration pattern of non-resonance frequency vibration motor |
| 04/19/2012 | WO2012050361A2 Method for saving vibration pattern of resonance-free frequency vibration motor |
| 04/19/2012 | WO2010099787A3 Electrodynamic braking device for a universal motor |
| 04/19/2012 | US20120092948 Concrete vibrator system and motor therefor |
| 04/18/2012 | CN102422522A Control system for single-phase induction motor and control method for single-phase induction motor |
| 04/18/2012 | CN102420566A 一种无刷双馈电机控制装置及其控制方法 A brushless doubly-fed motor control device and control method |
| 04/18/2012 | CN102420562A 一种三相交流异步电机短信控制器 A three-phase AC induction motor controller SMS |
| 04/11/2012 | CN202190249U 适用于电动车的双动力转换器 Suitable for the hybrid electric vehicle converter |
| 04/11/2012 | CN202190248U Mobile air conditioner compressor circuit |
| 04/11/2012 | CN102412780A Electric machine system including an electric machine having switched stator windings |
| 04/11/2012 | CN102412779A Dynamic efficient power-saving device for alternating-current motor |
| 04/11/2012 | CA2747023A1 Dephasing control |
| 04/05/2012 | WO2012043448A1 Control apparatus for linear motor, and linear motor apparatus |
| 04/05/2012 | WO2012042293A1 Method for controlling an electrical motor |
| 04/05/2012 | US20120081060 Control apparatus for driving apparatus |
| 04/05/2012 | US20120081054 Control device of a driving apparatus |
| 04/05/2012 | US20120081044 Electrical Power Tool for Operating with Alternating Current |
| 04/05/2012 | DE102010041828A1 Electrically operated floor cleaning device such as vacuum cleaner used in multi-storey house, has supply line for supplying main voltage to motor, and converter with which output voltage of rechargeable battery pack is increased |
| 04/05/2012 | DE102010041823A1 Electrically operated floor cleaning apparatus i.e. hand-held vacuum cleaner, for use in e.g. houses, has switch for automatically switching-on and -off power sources of respective alternating current and direct current motors |
| 04/04/2012 | CN102403955A 单相水泵变频节电器 Single-phase pump frequency Saver |
| 04/04/2012 | CN102403954A 三相空压机变频节电器 Three-phase inverter compressor Saver |
| 04/04/2012 | CN101557194B 电动机驱动装置 The motor driving device |
| 04/04/2012 | CN101552588B 电动机控制装置及电动机控制系统 Motor control device and motor control system |
| 03/28/2012 | CN202178737U 使鳞板电机与造型砂型运行相配套的控制电路 So that the shape of sand scales board motor runs matched with a control circuit |
| 03/28/2012 | CN101022050B Controller |
| 03/27/2012 | US8144416 Hard disk driving circuit and method of driving spindle motor |
| 03/27/2012 | US8144380 Drive mechanism |
| 03/22/2012 | WO2012035758A1 Multi-degree-of-freedom positioning device and multi-degree-of-freedom positioning method |
| 03/22/2012 | US20120068657 Electric machine system including an electric machine having switched stator windings |
| 03/22/2012 | US20120068656 Switch module for an electric machine having switchable stator windings |
| 03/22/2012 | US20120068655 Output filter and motor drive system including the same |
| 03/22/2012 | DE102011053572A1 Elektromaschinensystem umfassend eine elektrische Maschine mit geschalteten Statorwicklungen Electric machine system comprising an electric motor with stator windings connected |
| 03/21/2012 | EP2432116A2 Control of pole-change induction motors |
| 03/21/2012 | CN101351957B Method and circuit for regulating the speed of a commutator series-wound motor |
| 03/20/2012 | US8138700 Synchronous rectification device and synchronous electric machine implementing the device |
| 03/15/2012 | DE10297637B4 Überlastschutzvorrichtung und -verfahren eines Kompressors Overload protection device and method of a compressor |
| 03/14/2012 | CN101390277B Method for the predictive closed-loop control of a linear drive or of a linear compressor and linear drive or linear compressor subject to predictive closed-loop control |
| 03/13/2012 | US8134322 Motor control apparatus |
| 03/08/2012 | US20120056564 Electrical Drive With Switchable Coil Sections |
| 03/08/2012 | DE102011003866A1 Verfahren, Systeme und Vorrichtung zur Approximation von spitzensummierten Spannungen der Grundschwingung und der dritten Harmonischen in einer Mehrphasenmaschine Methods, systems and apparatus for approximating spitzensummierten voltages of the fundamental and the third harmonic in a polyphase machine |
| 03/07/2012 | EP2426815A2 Electric drive |
| 03/07/2012 | EP2424419A1 Vacuum cleaner and method for controlling an electric motor |
| 03/06/2012 | US8129935 Motor control device |
| 03/01/2012 | WO2012002544A3 Linear actuator device |
| 03/01/2012 | DE102011101528A1 Steinmetz circuit for recognizing jamming of rotor of synchronous motor, has auxiliary capacitor for recognizing jamming of rotor of motor by changing voltage ratio of motor phases, where circuit is not adjusted based on voltage or current |
| 03/01/2012 | DE102011052920A1 Elektrischer Leistungswandler, Antriebsvorrichtung und elektrische Lenkhilfevorrichtung An electric power converter, drive device and electric power steering device |
| 02/28/2012 | US8125179 Controlling a power of an electrical motor |
| 02/23/2012 | WO2012023121A2 Method for operating an electric appliance and electric appliance |
| 02/23/2012 | WO2012023120A2 Resonant motor unit and electric device with resonant motor unit |
| 02/23/2012 | CA2817062A1 Resonant motor unit and electric device with resonant motor unit |
| 02/23/2012 | CA2807221A1 Method for operating an electric appliance and electric appliance |
| 02/22/2012 | EP2420204A2 Method for operating an electric appliance and electric appliance |
| 02/22/2012 | EP2420203A2 Resonant motor unit and electric device with resonant motor unit |
| 02/22/2012 | EP2420202A2 Resonant motor unit and electric device with resonant motor unit |
| 02/22/2012 | EP2420201A1 Method for detecting the mechanical load on a vibratory mechanism |