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)
09/2010
09/29/2010EP2232696A2 Control of electrical machines
09/29/2010EP2232695A2 Control of electrical machines
09/29/2010CN201594808U Control device for adjusting motor speed
09/29/2010CN1694193B Low power solenoid driver circuit
09/29/2010CN101847963A Motor rotation control system
09/29/2010CN101847960A Novel switched reluctance motor servo system
09/23/2010WO2010107982A1 Dual voltage electromagnet motor for airless fluid sprayer
09/23/2010US20100237808 Efficient generator grid connection scheme powering a local variable frequency motor drive
09/22/2010EP2229534A2 Apparatus and method for controlling operation of compressor
09/22/2010CN201590796U Driving circuit of single-phase permanent magnet synchronous motor
09/21/2010US7800321 Method for the detection of the rotational position of the rotor of a DC motor with commutator
09/16/2010WO2010102364A1 Control system for single-phase induction motor and control method for single-phase induction motor
09/16/2010WO2009057873A3 Linear motor and reciprocating compressor employing the same
09/15/2010EP2227634A2 Gas compressor driven by a linear motor and having a detector of impact between a cylinder and a piston, method of detection
09/15/2010CN201584940U Intelligent electricity saver for motor
09/15/2010CN101835980A Reciprocating compressor
09/08/2010EP2226930A1 Method for regulating a motor with various operating speeds
09/08/2010CN201577061U Electric machine control device of a mine hoist
09/08/2010CN201577060U Automatically-tracing liquid resistant speed-governing cabinet for polar plate
09/07/2010US7791294 Starting control apparatus and method for motor
09/02/2010US20100219779 Variable drive gas turbine engine
09/01/2010EP2223668A1 Power toothbrush with adjustable operation
09/01/2010EP2223427A1 Method and device for operating an electric drive with the aid of a phase angle control
09/01/2010CN101047360B Method and apparatus for increasing AC motor torque output at low frequency
08/2010
08/25/2010EP2220760A2 Arrangement having oscillating motor and method for controlling an oscillating motor
08/25/2010CN101540582B Motor economic operation controller
08/24/2010US7781994 Method and circuit for regulating the speed of a commutator series-wound motor
08/19/2010DE102009007961A1 Drive system, has energy storage and unipolar voltage, direct current link for supplying current to two inverters, respectively, and electric motor with stator windings that are inductively coupled with each other
08/19/2010DE102009007960A1 Antriebssystem, Verfahren zum Betreiben eines Antriebssystems und Verwendung Drive system, method of operating a drive system and using
08/18/2010CN201557078U Energy-saving device for AC asynchronous motor with function of improving power factor
08/18/2010CN201557032U Variable frequency motor and potential energy loading high-speed-ratio frequency conversion system for hoisting machinery
08/18/2010CN101806193A Light-duty underground drill rig
08/11/2010EP2216899A2 Control techniques for motor driven systems
08/11/2010EP2216898A2 Control techniques for motor driven systems
08/11/2010EP2216897A2 Control technique for motor driven systems
08/11/2010EP2215361A2 Reciprocating compressor
08/11/2010CN201550077U 10kV digital high-voltage stator voltage-regulating and speed-regulating device
08/11/2010CN201550076U Intelligent alternating electromagnetic induction motor control protector
08/11/2010CN101800511A Single-phase motor-driving device with energy saving module
08/11/2010CN101505135B Controllable flux permanent magnet synchronous motor driving apparatus for built-in mixed rotor
08/05/2010WO2010068709A3 Apparatus, systems, and methods for controlling energy converting devices
08/04/2010EP2214297A1 One directional electrification-type brushless dc motor provided with ac voltage output winding and motor system
08/04/2010CN201541230U Intelligent energy-saving control cabinet of pumping unit
08/04/2010CN201541218U Soft starting and double-fed speed regulation integrated device for high-voltage winding motor
08/04/2010CN1756906B System for controlling linear compressor
07/2010
07/29/2010WO2009030542A3 Electrical machine
07/28/2010CN201536344U 一种双速电机在线变极调速电气控制电路 A two-line variable speed motor control circuit speed electrical pole
07/28/2010CN201536343U 新型电动机节能保护装置 The new energy-efficient motor protection devices
07/28/2010CN201536342U Control device of single phase capacitor operating asynchronous motor for ventilator
07/28/2010CN101789750A Control method for reducing traction pulsation of linear induction motor
07/28/2010CN101789669A DC commutator double-salient reluctance motor
07/21/2010EP2208282A2 Linear motor and reciprocating compressor employing the same
07/21/2010CN201533276U Intelligent three-phase motor driven control module
07/21/2010CN201533269U Double-speed single-phase alternating current motor
07/21/2010CN201533268U Anti-corrosive water resistance secondary short circuit polar plate
07/21/2010CN1980047B Control device for driving motor
07/21/2010CN101783648A Gear position identifying device and identifying method thereof for multi-speed motor
07/15/2010WO2010057863A3 Compressor motor control circuit
07/14/2010CN201528311U Stepless speed regulating circuit of single-phase alternating current motor
07/14/2010CN201528310U Intelligent driving control module for single phase motor
07/14/2010CN201528309U Motor speed regulation device for water cooling air conditioner
07/14/2010CN101777867A Voltage compensation device for rare-earth permanent magnet motor
07/08/2010DE102005017498B4 Synchronlinearmotor mit berührungsloser Abtastung der Zahnstruktur des Sekundärteils Synchronous linear motor with non-contact scanning of the tooth structure of the secondary part
07/07/2010CN101772883A Method for controlling an induction motor
07/06/2010US7750596 Semiconductor device, motor drive device and air conditioning machine
07/06/2010US7750594 Control of electrical machines
07/06/2010CA2459405C Electronic control system and process for electromagnetic pump
07/01/2010WO2010074112A1 Linear motor
07/01/2010WO2010073073A1 Control system for ac motor
07/01/2010US20100164420 Brushless direct current motor and driving unit thereof
06/2010
06/30/2010EP2201674A2 Method for analysing the operation of an electromechanical actuator for the powered manoeuvre of a screen, and actuator for implementing same
06/30/2010EP2201672A2 Method and control system for controlling a synchronous electric machine
06/30/2010CN201518469U Triphase low power motor speed-regulating energy-saving control device
06/30/2010CN201518468U Novel three-phase large-power alternating current solid relay
06/30/2010CN101764568A Electro-active movable vehicle, power system and power management method
06/30/2010CN101762780A Motor control and detection circuit of forced-exhaust gas water heater
06/30/2010CN101425776B Fault tolerant control method for double salient pole permanent magnet motor
06/29/2010US7747355 Electrical power generator with adaptive coupling
06/24/2010WO2010071779A1 High performance and improved efficiency electric vehicle and methods of production
06/23/2010EP2198512A2 Method and apparatus for unambiguous determination of the rotor position of an electrical machine
06/23/2010CN101755124A stroke-regulated linear compressor
06/23/2010CN101237957B Method for the technique of cold microforging any freely formed 3D surfaces
06/22/2010US7741803 Apparatus and method for driving 2-phase SRM
06/17/2010WO2010068709A2 Apparatus, systems, and methods for controlling energy converting devices
06/17/2010WO2010067837A1 Thrust generation mechanism, drive device, xy stage, and xyz stage
06/17/2010WO2010067021A2 Device with a polyphase electrical machine, and related electrical machine
06/17/2010WO2010066270A1 Electrical power tool for operating with alternating current
06/17/2010US20100148717 Asynchronous AC induction electrical machines in cross-interlockingly parallel connection
06/17/2010US20100148716 Asynchronous AC induction electrical machines in cross-interlockingly parallel connection
06/17/2010US20100148712 Brushless Multiphase Self-Commutation (or BMSCC) And Related Invention
06/17/2010US20100147605 Brushless Multiphase Self-Commutation Control (or BMSCC) and Related Inventions
06/17/2010US20100147039 Device and method for sensing temperature of a rotating electromagnetic machine
06/16/2010EP2197103A2 Speed controller of magnetic motor
06/16/2010CN101741310A Electrical control structure
06/10/2010DE202004021677U1 Vorrichtung zur Regelung des Ankerhubs in einem reversierenden Linearanrieb Apparatus for controlling the armature stroke in a reversing Linearanrieb
06/09/2010EP2193600A2 Method for controlling the power supply of an electric machine with variable reluctance
06/09/2010CN101414803B Method and apparatus for recognizing multi-speed motor gear based on voltage mutual inductance technology
06/09/2010CN101345509B Driving device and method
06/09/2010CN101145756B A vertical installation line motor cut-off braking protection device and method
06/08/2010US7733050 Motion control using electromagnetic forces
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