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