| 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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| 02/02/2005 | CN1574568A Linear motor, method for controlling the same, and linear compressor equipped with the same |
| 02/02/2005 | CN1573107A Apparatus and method for controlling operation of a reciprocating compressor |
| 02/02/2005 | CN1187010C Controller for rocking chain |
| 02/01/2005 | US6850029 Electrical machines |
| 01/27/2005 | WO2004073140A3 Excitation circuit and control method for flux switching motor |
| 01/27/2005 | US20050017670 Driving circuit for improving starting of hybrid induction motor and method thereof |
| 01/26/2005 | EP1501183A2 Current delay control in switched reluctance motor |
| 01/26/2005 | EP1501182A2 Driving circuit and method for starting hybrid induction motors |
| 01/25/2005 | US6847186 Resonant motor system |
| 01/20/2005 | WO2005006521A1 Method for controlling an electric motor comprising several oscillating motor components |
| 01/20/2005 | WO2005005707A1 Method for controlling a washing machine motor and washing machine motor |
| 01/20/2005 | US20050013085 Method and system of controlling asynchronous contactors for a multi-phase electric load |
| 01/20/2005 | US20050012486 Variable speed drive with a synchronous electric motor |
| 01/20/2005 | US20050012483 Drive arrangement, especially for a lifting mechanism and/or a traveling drive |
| 01/20/2005 | DE10329157A1 Antriebsanordnung, insbesondere für ein Hubwerk und/oder einen Fahrantrieb Drive arrangement, especially for a hoist and / or a traction drive |
| 01/19/2005 | CN1185783C Motor control device |
| 01/18/2005 | US6844698 Device and method for controlling supply of current and static capacitance to compressor |
| 01/13/2005 | US20050007061 Feedforward controller for synchronous reluctance machines |
| 01/13/2005 | DE10297637T5 Überlastschutzvorrichtung und -verfahren eines Kompressors Overload protection device and method of a compressor |
| 01/13/2005 | DE102004020025A1 Leistungsverbesserung eines integrierten Starter und Drehstromgenerators durch Ändern der Statorwicklungsschaltung Performance improvement of an integrated starter and alternator by changing the Statorwicklungsschaltung |
| 01/12/2005 | EP1496607A1 Device comprising an electric motor and a speed controller |
| 01/12/2005 | EP0902918B2 Motor-regulating device and method |
| 01/11/2005 | US6841967 Coil winding number variable type motor and coil winding number varying method for varying cooling and heating capacity of reciprocating compressor |
| 01/11/2005 | US6841966 Driving control device of a motor |
| 01/11/2005 | US6841961 Method and regulator for electrical reluctance machines |
| 01/06/2005 | WO2005001903A2 Pulse drive of resonant mems devices |
| 01/06/2005 | US20050001584 Motor controller |
| 01/05/2005 | EP1494346A2 A controller device, in particular for induction motors and more particularly for compressors in refrigerating apparatuses. |
| 01/05/2005 | DE10361021A1 Reciprocating compressor`s operation controlling apparatus for e.g. refrigerator, has controller variably controlling operation frequency of compressor based on comparison of determined and current operation frequencies |
| 01/05/2005 | CN1559329A Rocking seat control apparatus |
| 01/04/2005 | US6839216 Solenoid driving device |
| 01/04/2005 | US6838791 Mesh connected electrical rotating machine with span changing |
| 01/04/2005 | CA2182332C Method and apparatus for controlling a motor |
| 12/29/2004 | WO2004114498A2 Electric submersible pumps |
| 12/29/2004 | EP1492223A1 Synchronous reluctance motor control device |
| 12/29/2004 | EP1492221A1 Drive assembly, in particular for a lifting device and/or for a vehicle propulsion |
| 12/29/2004 | EP1492142A2 Method and system for controlling asynchronous contactors for a multi-phase load |
| 12/28/2004 | US6836087 Multiphase motor voltage control for phase windings of different wire gauges and winding turns |
| 12/28/2004 | US6834413 Variable speed leaf blower |
| 12/23/2004 | US20040257030 Motor control device |
| 12/23/2004 | US20040256930 Flat noncommutator vibration motor |
| 12/23/2004 | US20040256921 Pulse drive of resonant MEMS devices |
| 12/23/2004 | DE10324665A1 Electrical machine control device providing additional current signal for reduction or compensation of given current signal waveform for reducing operating noise |
| 12/22/2004 | EP1488505A2 An asymmetric drive motor for a barrier operator or the like |
| 12/22/2004 | EP0995260B1 Rotating electric motor system capable of vibrating and method for operating a rotating electric motor capable of vibrating |
| 12/16/2004 | WO2004109919A1 Digital differential amplification control device |
| 12/16/2004 | DE10322463A1 Spaltrohrmotorpumpe mit einem permanentmagnetisch erregten Synchronmotor Canned motor pump having a permanent magnetically excited synchronous motor, |
| 12/15/2004 | EP1487091A2 Linear motor |
| 12/14/2004 | US6831439 Apparatus for measuring magnetic flux of synchronous reluctance motor and sensorless control system for the same motor |
| 12/09/2004 | WO2004107537A1 Systems and methods for manufacturing adaptive electric machines |
| 12/09/2004 | US20040245983 Rotor position detection of a switched reluctance drive |
| 12/09/2004 | US20040245862 Linear motor, method for controlling the same, and linear compressor equipped with the same |
| 12/09/2004 | US20040245859 Arrangement for operating a contact roller and associated method for operating a contact roller |
| 12/08/2004 | EP1484834A2 Rotor position detection of a switched reluctance drive |
| 12/08/2004 | CN1179478C Start relay for voltage control of induction motor |
| 12/07/2004 | US6828750 Method of controlling a motor and device therefor |
| 12/07/2004 | US6828748 Speed control circuit for a brushless dc motor |
| 12/02/2004 | US20040239284 Method for controlling a variable-reluctance machine |
| 12/02/2004 | US20040239266 Apparatus and method for controlling operation of a reciprocating compressor |
| 12/01/2004 | CN1551484A Rotor position determination in a switched reluctance machine |
| 12/01/2004 | CN1551482A Excitation of switched reluctance motors |
| 12/01/2004 | CN1551467A Motor driving apparatus |
| 12/01/2004 | CN1551466A Motor driving apparatus |
| 11/30/2004 | US6826449 Method for producing natural motions |
| 11/30/2004 | US6825582 Linear motor drive unit for a machine |
| 11/30/2004 | US6823853 Thermal modeling of a switched reluctance motor |
| 11/30/2004 | US6823560 Buffering structure for wheels |
| 11/25/2004 | WO2004102784A1 Driving method of synchronous motor and carrier |
| 11/25/2004 | WO2004030407A3 Drive mechanism |
| 11/25/2004 | US20040234394 Linear motor |
| 11/25/2004 | US20040232871 Apparatus, methods, and articles of manufacture for a terminator positioning system |
| 11/24/2004 | EP1480319A2 Apparatus, methods and articles of manufacture for a terminator positioning system |
| 11/24/2004 | EP1020020B1 Method for the starting and steady-state supply of a permanent-magnet synchronous motor particularly for driving a hydraulic pump |
| 11/24/2004 | CN1550062A Method and apparatus for maintaining force of a variable reluctance motor |
| 11/23/2004 | US6822417 Synchronous reluctance motor control device |
| 11/23/2004 | US6822355 Electronically-commutated motor |
| 11/18/2004 | US20040227486 Resonant motor system |
| 11/18/2004 | DE10319394A1 Geschaltete Reluktanzmaschine, insbesondere SR-Motor Switched reluctance machine, in particular SR motor |
| 11/17/2004 | EP1478079A1 Canned motor pump with permanent magnet excited synchronous motor |
| 11/16/2004 | US6819075 Voltage-controlled starting relay for induction motor |
| 11/11/2004 | WO2004098030A1 Switched reluctance machine, especially an sr-motor |
| 11/11/2004 | WO2004082126A8 Electric vehicle with adaptive cruise control system |
| 11/11/2004 | US20040223283 Adaptive gain adjustment for electromagnetic devices |
| 11/11/2004 | US20040222765 Excitation of switched reluctance motors |
| 11/10/2004 | EP1475883A2 Excitation of switched reluctance motors |
| 11/10/2004 | CN1545758A Control system for a linear vibration motor |
| 11/09/2004 | US6815926 Single phase induction motor with partially shared windings |
| 11/09/2004 | US6815920 Motor driver and system with phase-spaced redundancy |
| 11/09/2004 | US6815916 Speed-control drive circuit for a D.C. brushless fan motor |
| 11/09/2004 | US6815847 Linear motor |
| 11/04/2004 | US20040217723 Performance improvement of integrated starter alternator by changing stator winding connection |
| 11/04/2004 | US20040217721 Generic motor control system and method |
| 11/04/2004 | US20040217668 Electrical machine |
| 11/04/2004 | DE10346645A1 Mit elektrischem Motor angetriebenes Servolenkgerät With electric motor-driven power steering apparatus |
| 11/03/2004 | EP1473825A2 Generic AC motor control system |
| 11/03/2004 | EP1472774A1 Single phase induction motor with partially shared windings |
| 11/03/2004 | CN1543055A Generic AC motor control system |
| 11/03/2004 | CN1543047A Inverter controller for driving motor, and air conditioner |
| 11/03/2004 | CN1174171C Circuit for driving linear compressor |
| 11/02/2004 | US6812661 Multiphase motor having winding connections specific to respective operating speed ranges |