Patents
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)
09/2009
09/24/2009DE102008013750A1 Ice flap device for refrigerator, has drive device comprising alternating current motor and electric switch that activates alternating current motor depending on user action for moving flap unit from closed position to opened position
09/23/2009EP2104225A1 Electrical machine arrangement
09/23/2009EP2104222A1 Method and device for controlling a brushless AC motor
09/23/2009EP2104221A1 Method for controlling a multi-phase electromotor operated in a star circuit
09/23/2009CN101540582A Motor economic operation controller
09/22/2009US7592772 Stator inter-turn fault detection of synchronous machines
09/17/2009DE112007002902T5 Vibrationsisolationssteuerungssystem Vibration isolation control system
09/16/2009EP2101405A2 Controlling switching of thyristors to reduce power loss in variable speed motor
09/16/2009CN201312281Y Improvement on motor control device on iron chip conveyor
09/16/2009CN101534091A Mine flameproof and intrinsic safety type variable frequency speed control device
09/16/2009CN100541961C Series motor and method for controlling the same
09/09/2009EP2097971A1 Asynchronous motor control
09/09/2009CN100539390C Electric motor driving controller
09/09/2009CN100539387C Drive circuit for a synchronous electric motor
09/09/2009CN100538069C A linear motor, a linear compressor, a method of controlling a linear compressor, a cooling system, and a linear compressor controlling a system
09/02/2009CN101521086A Electrical inductor assembly
09/02/2009CN100536291C Variable reluctance generator
09/02/2009CN100536290C Start of switching reluctance generator
08/2009
08/27/2009WO2009082799A3 Gas compressor driven by a linear motor and having a detector of impact between a cylinder and a piston, method of detection
08/26/2009EP2093098A1 Wheel driving apparatus and electric vehicle including the same
08/26/2009EP2092632A1 Method for controlling the driveability of the rear wheels of a vehicle and corresponding driving assembly
08/26/2009CN201298819Y Single-camera circuit device
08/26/2009CN101517887A Method for controlling AC linear motors, device for driving AC linear motors, and system of AC linear motors
08/26/2009CN100533929C Reciprocating motor
08/25/2009US7579804 Method to measure the angular speed of an induction motor
08/25/2009US7579795 Brushless-motor driving control device, image reading apparatus, and image forming apparatus
08/20/2009CA2621889A1 Asphalt melting device and system
08/19/2009EP2088959A1 System for adapting the resonant operation of a personal care appliance during the lifetime thereof
08/19/2009EP1413048B1 Method for controlling a variable-reluctance machine
08/19/2009CN201294483Y Motor driver and control circuit board
08/19/2009CN201294423Y Accurate orientation asynchronous motor
08/19/2009CN100530936C Power supply circuit of an electric and corresponding control method
08/18/2009CA2547023C Battery response control unit and process for an asynchronous machine, data storage medium for this process
08/13/2009CA2751225A1 Electromagnetic field energy recycling
08/12/2009EP2088026A2 Movable body system having linear motor
08/12/2009EP1297608B1 Linear actuator control structure
08/12/2009CN201290091Y Switch device capable of adjusting and displaying motor rotary speed
08/12/2009CN201290089Y Control device for series machine of electric vehicle
08/12/2009CN101505929A Method for determining the dirtiness of an electrically driven cutting tool, and hair cutting device
08/12/2009CN101505135A Controllable flux permanent magnet synchronous motor driving apparatus for built-in mixed rotor
08/12/2009CN101505132A Winch motor control system and control method
08/12/2009CN101505131A Asymmetric direct power control method for dual feed asynchronous wind power generator
08/06/2009US20090193923 Motor control apparatus
08/06/2009DE112007002286T5 Verfahren zum Steuern von Wechselstrom-Linearmotoren, Vorrichtung zum Antreiben von Wechselstrom-Linearmotoren und System von Wechselstrom-Linearmotoren A method for controlling AC linear motors, means for driving linear motors and AC system of AC linear motors
08/06/2009DE102008007401A1 Universal motor operating method for e.g. washing machine, involves executing field switching depending on operating condition of universal motor, and conducting field switching depending on power reserve of universal motor
08/05/2009EP2086094A2 Permanently excited electric machine for a household appliance
08/05/2009CN201286081Y Energy saving control circuit for solar travelling hat
08/05/2009CN201286080Y Energy saving control circuit for solar travelling hat
08/05/2009CN101501983A Variable voltage supply system
08/05/2009CN101501982A Power supply device for permanent magnet field type linear motor and PWM inverter for permanent magnet field type motor
08/05/2009CN101500398A Heat radiation structure for motor driver
08/05/2009CN101499769A Three phase rat cage asynchronous motor having self interference resisting speed regulating circuit
08/04/2009US7570464 Overload protective apparatus of a compressor and a method thereof
07/2009
07/30/2009WO2009050400A3 Method for controlling the power supply of an electric machine with variable reluctance
07/30/2009WO2006006810A9 Power variable-type motor driving circuit and driving method
07/29/2009CN100521500C Coil load driving circuit and optical disc device
07/28/2009US7567749 Motor control circuit
07/23/2009WO2009091319A1 Electric motor
07/22/2009EP2079377A1 Method for the bidirectional control of an electric motor for a surgical or dental instrument
07/16/2009US20090179601 Transition wiring system for multiple traction generators
07/16/2009DE102008058717A1 Verfahren und System zum Betreiben eines Elektromotors, der mit mehreren Leistungsversorgungen gekoppelt ist Method and system for operating an electric motor, which is coupled with a plurality of power supplies
07/09/2009WO2009082799A2 Gas compressor driven by a linear motor and having a detector of impact between a cylinder and a piston, method of detection
07/08/2009CN201270493Y On-chip motor servo-controlled system
07/08/2009CN100511964C Motor controller
07/01/2009CN201266903Y Shunt chopper for side control of high-voltage motor speed-governing rotor
07/01/2009CN101473526A Method and apparatus for quiet fan speed control
07/01/2009CN100508366C Electric hand-held power tool having a memory function
07/01/2009CN100508360C Rotor position detection in an electrical machine
07/01/2009CN100508353C Vibration type actuator drive controller and method of controlling drive speed of vibration type actuator
06/2009
06/25/2009WO2009077053A2 Arrangement having oscillating motor and method for controlling an oscillating motor
06/25/2009US20090160392 Virtual Moving Air Gap For An Axial Flux Permanent Magnet Motor With Dual Stators
06/25/2009DE102007060466A1 Anordnung mit einem schwingenden Motor und Verfahren zur Regelung eines schwingenden Motors Assembly comprising a vibrating engine and method for controlling a vibrating motor
06/24/2009EP1769576B1 Device for driving an electromagnet, particularly for operating pumps
06/24/2009CN201263136Y Single-phase capacitor motor controller of single-phase electric power used in building hanging cradle
06/24/2009CN100505511C Device for driving an electromagnet, particularly for operating pumps
06/23/2009US7552005 Method for fault diagnosis of a turbine engine
06/23/2009US7550941 Linear-compressor control system, a method of controlling a linear compressor, a linear compressor and cooling system
06/18/2009WO2009075271A1 Air compressor and motor control device
06/18/2009WO2009075171A1 Flat motor
06/18/2009US20090153095 Driving Circuit for Single-Phase Switched Reluctance Motor and Driving Method Thereof
06/17/2009CN100502225C General AC motor control system
06/10/2009CN100499353C Drive system for a set of machines
06/09/2009US7545122 Control method of generator
06/09/2009US7545070 Commutator motor having a number of field winding groups
06/04/2009WO2009070089A1 Method and system for controlling an electric ac motor
06/04/2009WO2006057529A3 Operation control device and method of compressor
06/04/2009WO2006006810A3 Power variable-type motor driving circuit and driving method
06/04/2009DE102007055020A1 Vorrichtung zur Energieversorgung einer mehrere Wicklungsabschnitte aufweisenden Langstatorwicklung Apparatus for supplying power to a plurality of winding sections having long stator winding
06/03/2009EP2066020A2 Deriving values of parameters in electrical machines
06/03/2009EP2066019A2 Voltage clamping and energy recovery circuits
06/03/2009CN201252516Y Photoelectric controllable silicon type wound motor speeder
06/03/2009CN201252515Y Stator-rotor synchronously and reversely rotated generator
06/03/2009CN201252514Y Stator-rotor synchronously and reversely rotated motor
06/02/2009US7541761 Electric motor with integral regulator inductance
06/02/2009US7541758 MOS rectifying device, driving method thereof, and motor generator and motor vehicle using thereof
06/02/2009CA2530162C Electric submersible pumps
05/2009
05/27/2009EP2063528A2 Improvements in or relating to BLDC motors
05/27/2009CN201248026Y Energy-saving control circuit for solar traveler's cap
05/27/2009CN100492874C Diesel engine linear electric motor speed regulating actuator
05/22/2009WO2009019344A3 Supply device for a motor vehicle alternator, and alternator employing such a device
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