| Patents for H02P 4 - Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different voltage or current supplies (242) |
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| 01/29/2015 | US20150026890 Emergency power supply device for an electromotive furniture drive for a piece of furniture, electromotive furniture drive, and a corresponding piece of furniture |
| 01/14/2015 | CN102577080B 改进的感应电动机 Improved induction motor |
| 01/01/2015 | US20150002056 Vehicle, system and method |
| 12/31/2014 | CN104254458A 用于对电驱动装置供给电流的装置和方法 Drive means for supplying electrical current and the means and methods |
| 12/10/2014 | CN204013293U 一种纤维素纤维离心纺丝机的电源 Power A cellulose fiber centrifugal spinning machine |
| 12/10/2014 | CN204013292U 一种电动工具 A power tool |
| 11/27/2014 | US20140346867 Home appliance comprising an electric motor having at least two coils, method and system for controlling the home appliance, use of electric motor for feeding in the home appliance |
| 11/13/2014 | US20140333237 Shredder load optimization system and method |
| 10/02/2014 | US20140292231 Control unit for robots |
| 09/11/2014 | US20140253006 Power converter |
| 09/11/2014 | US20140252996 Hybrid electric device |
| 08/28/2014 | US20140239636 Shovel and method of controlling shovel |
| 08/13/2014 | CN103986374A 智能变频器自动转换电路 Intelligent drive automatically converting circuit |
| 07/24/2014 | US20140203739 Aircraft comprising a distributed electric power unit with free wheels |
| 07/10/2014 | US20140191692 Synchronous energy source switching controller and method of operation thereof |
| 07/09/2014 | EP2751914A2 Rotary electric machine |
| 07/03/2014 | US20140184132 Switching process and associated control device |
| 06/26/2014 | US20140176024 Battery System Having an Intermediate Circuit Voltage which can be Set in a Variable Fashion |
| 06/19/2014 | US20140167654 Circuit arrangements and methods for operating an electrical machine |
| 06/05/2014 | US20140152225 Electric Drive System and Energy Management Method |
| 06/05/2014 | US20140152068 Electromotive furniture drive |
| 05/22/2014 | WO2014075414A1 Fan motor |
| 05/15/2014 | US20140132193 Fuel cell system and control method therefor |
| 05/01/2014 | US20140117690 Chucking apparatus |
| 04/24/2014 | WO2013164191A3 Device and method for supplying an electric drive with electric current |
| 02/26/2014 | CN203457085U Explosion-proof and intrinsic safety type dual power supply and dual frequency conversion speed regulator for ventilator |
| 02/12/2014 | CN103580553A Movement and control system |
| 02/06/2014 | WO2014019509A1 Motion and control system |
| 01/08/2014 | CN103503302A Winding switching circuit and thermal protection for dual voltage hermetic induction motor of hermetic cooling compressor |
| 12/18/2013 | CN103460594A Hybrid electric shovel |
| 11/26/2013 | US8594873 Power supply system for electric powered vehicle and control method thereof |
| 11/21/2013 | US20130307455 Stator teeth, stator, rotating electric machine, and method for controlling rotating electric machine |
| 11/07/2013 | WO2013166123A1 Method and system for controlling electric motors of a common assembly |
| 11/07/2013 | US20130293169 Polyphase Energy Converter for Outputting Electrical Energy |
| 11/07/2013 | DE102012207379A1 Vorrichtung und Verfahren zur Versorgung eines elektrischen Antriebes mit elektrischem Strom Apparatus and method for supplying an electrical drive with electric current |
| 10/30/2013 | CN203261282U Driving system realized by 12-pulse serial DC speed regulator for mine hoist |
| 08/29/2013 | US20130221878 Method for setting a desired output voltage of a power supply branch of a controllable energy store |
| 08/22/2013 | US20130214533 Method for Power Regulation of an Underwater Power Plant |
| 07/24/2013 | CN101939244B Conveyor system |
| 06/19/2013 | CN203014724U Motor standby loop switching circuit |
| 06/13/2013 | WO2013030479A3 Rotary electric machine |
| 05/30/2013 | WO2012127011A3 Method for controlling a rotating electric machine in an open-loop or closed-loop manner, and rotating electric machine |
| 05/22/2013 | CN103117691A Electric vehicle controller used for switching duplex winding motor |
| 05/15/2013 | CN202940761U Six-phase motor driving system |
| 05/02/2013 | WO2012113048A3 Winding switching circuit and thermal protection for dual voltage hermetic induction motor of hermetic cooling compressor |
| 05/01/2013 | CN202918227U Motion and control system |
| 04/24/2013 | CN202906807U Dual-voltage automatic changeover switch |
| 04/04/2013 | US20130082636 Signal processor, filter, control circuit for power converter circuit, interconnection inverter system and pwm converter system |
| 03/21/2013 | US20130069578 Brushless Ceiling Fan Motor Power Control System |
| 03/20/2013 | CN101895241B Dual-power motor control system and motor control device thereof |
| 03/14/2013 | WO2012113048A8 Winding switching circuit and thermal protection for dual voltage hermetic induction motor of hermetic cooling compressor |
| 03/13/2013 | CN202798545U Dual-stator motor drive system |
| 03/13/2013 | CN202798544U Dual-supply motor drive system |
| 03/07/2013 | WO2013030479A2 Rotary electric machine |
| 02/28/2013 | US20130049668 Power Source to Remote Drive Interconnection Scheme |
| 01/31/2013 | DE102006058613B4 Staubsauger, dessen Gebläsemotor sowohl im Akkumulator-Betrieb als auch im Netzspannungs-Betrieb bestrombar ist Vacuum cleaner, the blower motor in both the accumulator operation and in mains voltage operation is supplied with current |
| 12/25/2012 | US8339087 Fan control circuit |
| 11/21/2012 | CN102064726B Controllable double-power supply series connection asymmetric inverter for single-phase induction motor |
| 11/14/2012 | CN102780428A Dual-stator motor drive system |
| 11/14/2012 | CN102780427A Six-phase motor driving system |
| 11/14/2012 | CN102780426A Dual-power motor driving system |
| 10/24/2012 | CN102751919A Double-voltage automatic switchover switch and processing method |
| 10/03/2012 | CN102714452A Pitch drive device for a wind power or hydroelectric power station |
| 09/26/2012 | EP2502334A2 Pitch drive device for a wind power or hydroelectric power station |
| 08/02/2012 | WO2012102713A1 Hybrid electric shovel |
| 08/02/2012 | CA2825420A1 Hybrid electric shovel |
| 07/18/2012 | CN202340173U 一种双频率磁滞同步电机 A dual frequency hysteresis synchronous motors |
| 07/11/2012 | CN102577080A 改进的感应电动机 Improved induction motor |
| 06/13/2012 | CN101499752B 互锁电路 Interlock circuit |
| 05/03/2012 | WO2011061233A3 Pitch drive device for a wind power or hydroelectric power station |
| 04/04/2012 | CN202183637U 电源切换及电机控制系统 Power switching and motor control systems |
| 12/09/2011 | DE202008018141U1 Steuerung für ein Tor oder dergleichen Control for a door or the like |
| 10/05/2011 | EP2372897A2 Generator apparatus for a combined heat and power system, method for operating a generator apparatus and combined heat and power system |
| 10/05/2011 | CN102208889A Speed adjusting method for DC motor double-power supply |
| 09/28/2011 | CN101322304B Rechargeable vacuum with reduced AC voltage |
| 09/14/2011 | CN102187564A Motor system and method for operating a motor system |
| 08/17/2011 | CN201937529U 线性调速电位器 Linear speed potentiometer |
| 08/04/2011 | DE102011003372A1 Dual source automotive propulsion system and method of operation Dual source automotive propulsion system and method of operation |
| 07/27/2011 | EP2347503A1 Motor system and method for operating a motor system |
| 06/07/2011 | US7956563 System for using a multi-phase motor with a double-ended inverter system |
| 06/07/2011 | CA2631553C Rechargeable vacuum with reduced ac voltage |
| 05/26/2011 | CA2780849A1 Pitch drive device for a wind power or hydroelectric power station |
| 05/25/2011 | CN102069892A Multi-gear variable speed motor synchronous gear shifting system of electric vehicle |
| 04/26/2011 | US7932688 Cleaner and method for driving the same |
| 04/20/2011 | EP2311181A1 A motor |
| 03/03/2011 | WO2011024095A1 Improved induction motor |
| 02/10/2011 | WO2011017015A1 Air conditioning systems with oversped induction motors |
| 02/10/2011 | CA2770315A1 Air conditioning systems with oversped induction motors |
| 01/19/2011 | CN201717819U Circuit board for bipolar double-speed motor |
| 01/11/2011 | CA2591696C Method and apparatus for a hybrid battery configuration for use in an electric or hybrid electric motive power system |
| 01/05/2011 | CN101939244A Conveyor system |
| 12/29/2010 | EP2265533A1 Conveyor system |
| 11/24/2010 | CN201656874U 110V voltage-multiplying circuit in brush direct-current motor drive |
| 11/24/2010 | CN101895241A Dual-power motor control system and motor control device thereof |
| 09/30/2010 | US20100242481 Drive apparatus, and drive-force output system having drive apparatus, and method for controlling the drive apparatus |
| 06/17/2010 | WO2010066178A1 Solar-powered water pump |
| 05/13/2010 | US20100117588 Motor controller system and method for maximizing energy savings |
| 04/22/2010 | WO2010043436A1 Motor system and method for operating a motor system |
| 04/15/2010 | DE102008049832A1 Controller for controlling garage door, has battery providing emergency power supply to motor control with motor during power failure, where battery is charged via charge controller during start-up time of power supply |
| 03/17/2010 | CN201426105Y Control device for movable rack speed-adjusting motor |