| 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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| 04/25/2006 | US7034499 Electromagnetic motor |
| 04/25/2006 | US7034498 Resonant motor system |
| 04/25/2006 | US7034474 Auto-calibration of attraction-only type actuator commutations |
| 04/25/2006 | US7034426 Electric motor windings |
| 04/19/2006 | EP1648083A2 Circuit arrangement for controlling an electric motor |
| 04/18/2006 | US7030583 Method for the commutation of brushless direct current motor |
| 04/18/2006 | US7030531 Controlled reluctance AC induction motor |
| 04/13/2006 | WO2006038510A1 Linear motor system |
| 04/13/2006 | US20060076919 Feedforward controller for synchronous reluctance machines |
| 04/12/2006 | EP1646140A2 Electrical equipment |
| 04/12/2006 | EP1646138A1 Device for estimating pole position of synchronous motor |
| 04/12/2006 | EP1646137A2 Motor drive apparatus having oscillation-reducing control function for output torque |
| 04/12/2006 | EP1645022A2 Pulse drive of resonant mems devices |
| 04/12/2006 | CN1251391C Method for controlling reluctance motor rotor alignment |
| 04/11/2006 | US7026771 Motor control apparatus and electric appliance using the same |
| 04/06/2006 | WO2006035540A1 Ac power generator and stirling refrigerator employing the same |
| 04/06/2006 | DE4406546B4 Treiberschaltung eines schaltbaren Reluktanzmotors Driver circuit of a switchable reluctance motor |
| 04/06/2006 | DE102004046824A1 Speed measuring instrument for e.g. absolute speed sensor, has two sensors attached at primary part of synchronous machine for producing signal that is proportional to number of revolutions and speed of machine |
| 04/05/2006 | EP1642380A1 Method for controlling an electric motor comprising several oscillating motor components |
| 04/05/2006 | EP1423318B1 Arrangement for operating a contact roller and associated method for operating a contact roller |
| 04/05/2006 | CN1757154A Excitation circuit and control method for flux switching motor |
| 04/05/2006 | CN1756906A Linear compressor control system,method for controlling linear compressor, linear compressor and refrigeration system |
| 04/05/2006 | CN1756069A Motor control device for compressor |
| 04/05/2006 | CN1756068A Drive circuit for rotating resonance type motor |
| 04/05/2006 | CN1756064A Load torque control device and compensation process for synchronous reluctance motor |
| 04/04/2006 | US7023158 Motor control apparatus |
| 04/04/2006 | CA2241532C Electromagnetic piston engine |
| 03/30/2006 | WO2006033085A2 A motor control circuit |
| 03/30/2006 | WO2004079880A3 A variable speed drive with a synchronous electric motor |
| 03/29/2006 | CN1754307A Motor control system and method with adaptive current profile |
| 03/29/2006 | CN1248405C System for controlling ac motor rotation speed |
| 03/29/2006 | CN1247896C Equipment and method for controlling linear compressor |
| 03/23/2006 | DE10226491B4 Hubsteuervorrichtung eines Kolbenverdichters und Verfahren dafür Lifting control device of a reciprocating compressor and method thereof |
| 03/22/2006 | EP1638201A2 Method for controlling and driving a pump for household appliances |
| 03/22/2006 | CN2766453Y Dough mixing machine rotary speed control circuit |
| 03/22/2006 | CN2766452Y Intelligent controller |
| 03/22/2006 | CN1750383A Motor control apparatus |
| 03/21/2006 | US7015672 Method for controlling a variable-reluctance machine |
| 03/16/2006 | WO2006000192A3 Electric drive for a vehicle |
| 03/16/2006 | DE102004043506A1 Control method for an electric machine, e.g. a positioning drive for a machine tool, in which the position of a displaceable machine part is detected and used to modify a speed or other control parameter in a feedback loop |
| 03/15/2006 | CN2765390Y Chopped mode tandem speed control device for medium voltage asynchronous motor with inversion failure protection |
| 03/09/2006 | WO2006024920A1 Method for controlling a wound rotor synchronous motor |
| 03/09/2006 | WO2006024344A1 Selector drive for automatic manual transmissions of motor vehicles |
| 03/09/2006 | US20060049809 Control method of generator |
| 03/08/2006 | EP1396077B1 Dual sided self-oscillation circuit for driving an oscillatory actuator |
| 03/08/2006 | CN2764060Y Intelligent control driving device for capacitance adjustable and power illegal use proof transformer used in oil pump |
| 03/08/2006 | CN2764059Y Vector overlaping transformer and motor energy-saving operation controller |
| 03/07/2006 | US7009360 Method for controlling SRM switching angle by analog encoder system |
| 03/01/2006 | EP1630962A1 Digital differential amplification control device |
| 02/28/2006 | US7005810 Motor driving apparatus |
| 02/22/2006 | CN1737377A Automatic water injection method using pump-control-pump to adjust pressure and flow |
| 02/16/2006 | US20060036385 Rotor position detection in an electrical machine |
| 02/16/2006 | US20060036384 Rotor position detection in an electrical machine |
| 02/16/2006 | US20060033465 Method for driving a synchronous electric motor in particular for fans |
| 02/16/2006 | US20060033464 Motor control apparatus |
| 02/16/2006 | DE102004034470A1 Steuerung für einen geschalteten Reluktanzmotor A controller for a switched reluctance motor |
| 02/15/2006 | CN2759056Y Double feeding rotation difference ratio regulator |
| 02/15/2006 | CN2759051Y Star-delta converter |
| 02/15/2006 | CN1735749A A control system for the movement of a piston |
| 02/15/2006 | CN1242547C Device and method for controlling running of compressor of linear motor |
| 02/15/2006 | CN1242546C Coil windings number-variable type motor and changing method for number of coil windings |
| 02/15/2006 | CN1242544C Switch reluctance machine drive |
| 02/14/2006 | US6998736 Apparatus and method for controlling driving of linear motor |
| 02/09/2006 | US20060028751 Drive mechanism |
| 02/08/2006 | EP1624563A2 Rotor position detection in an electrical machine |
| 02/08/2006 | CN2757427Y Power saving device special for acynchronous oil field |
| 02/07/2006 | US6995528 Linear motor apparatus |
| 02/02/2006 | WO2006011341A1 Shaft type linear motor, mounting head and component mounting device with the linear motor, and position detection method for shaft for driving the linear motor |
| 02/02/2006 | DE10206191B4 Verfahren zur feldorientierten Regelung einer permanenterregten Synchronmaschine mit Reluktanzmoment Procedures for field-oriented control of a permanent magnet synchronous machine with reluctance torque |
| 02/01/2006 | EP1622255A2 Rotor position detection in an electrical machine |
| 02/01/2006 | EP1622254A2 Rotor position detection in an electrical machine |
| 02/01/2006 | CN1729612A Power conversion apparatus |
| 02/01/2006 | CN1729609A Method for controlling operation of compressor and apparatus thereof |
| 02/01/2006 | CN1728536A Rotor position detection in an electrical machine |
| 02/01/2006 | CN1728535A Rotor position detection in an electrical machine |
| 01/31/2006 | US6992451 Motor control apparatus operable in fail-safe mode |
| 01/26/2006 | WO2006008777A1 Device for driving an electromagnet, particularly for operating pumps |
| 01/26/2006 | WO2006008540A1 Method and apparatus for instability detection and correction in a domestic combined heat and power unit |
| 01/26/2006 | DE10157699B4 Vorrichtung zum Erkennen von Hubinstabilität bei einem linearen Kompressor und ein Verfahren dafür An apparatus for detecting Deviation instability in a linear compressor and a method therefor |
| 01/26/2006 | CA2571747A1 Method and apparatus for instability detection and correction in a domestic combined heat and power unit |
| 01/25/2006 | EP1619670A1 Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track tape driver |
| 01/25/2006 | EP1619669A1 Voice coil driven positioner for coarse and fine positioning of magnetic head in multi-track type drive |
| 01/25/2006 | CN2754270Y Brushless dual-power motor controller for electric vehicle |
| 01/25/2006 | CN2754269Y Capacitance motor current-regulating identical-speed device |
| 01/25/2006 | CN2754258Y Brushless dual-power DC motor for electric vehicle |
| 01/25/2006 | CN1238962C Drive circuit for single-phase motor and drive method for single-phase motor |
| 01/24/2006 | US6989668 Rotor position detection of a switched reluctance drive |
| 01/18/2006 | EP1617556A2 Rotor position detection in an electrical machine |
| 01/18/2006 | CN1723605A Load and speed sensitive motor starting circuit and method |
| 01/18/2006 | CN1237695C Multifunctional composite contactor |
| 01/17/2006 | US6987375 Dual-stage drive for switched reluctance electric machines |
| 01/17/2006 | US6987345 Vibration type actuator drive controller and method of controlling drive speed of vibration type actuator |
| 01/17/2006 | US6987335 Alignment apparatus and exposure apparatus using the same |
| 01/12/2006 | WO2006003617A1 Power toothbrush with adjustable operation |
| 01/12/2006 | US20060006831 Induction motor controller |
| 01/12/2006 | US20060006830 Induction motor controller |
| 01/12/2006 | US20060005605 Rotor position detection in an electrical machine |
| 01/12/2006 | CA2572120A1 Power toothbrush with adjustable operation |
| 01/11/2006 | EP1615330A1 Load angle control for a synchronous electric motor in particular for fans |
| 01/11/2006 | EP1615328A1 Induction motor controller |