| 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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| 09/17/2002 | US6452356 Chopping energization control device for electric motor |
| 09/12/2002 | US20020128808 Method and apparatus for characterization of voice-coil motor with eddy current effect |
| 09/12/2002 | US20020125852 Compensation for variable voltage |
| 09/12/2002 | US20020125851 Rotor position estimation for switched reluctance machines |
| 09/11/2002 | EP1239581A2 Compensation for variable voltage |
| 09/10/2002 | US6448736 Method for controlling switched reluctance motor, and controller |
| 09/10/2002 | US6448733 XYZ-axes table |
| 09/05/2002 | US20020121876 Method of optimizing performance parameters of a switched reluctance motor |
| 09/05/2002 | US20020121870 Vibration motor and apparatus using the same |
| 09/04/2002 | EP1236267A2 Drive system for a set of machines |
| 09/04/2002 | EP1236266A1 High stability dynamic force reluctance motor |
| 09/04/2002 | CN1367576A Driving control method for linear vibratory motor and driving control device |
| 09/04/2002 | CN1367570A Oscillating motor and motor control equipment and method |
| 09/03/2002 | US6445156 Speed control |
| 08/29/2002 | WO2001035520A8 Device and method for controlling supply of current and static capacitance to compressor |
| 08/29/2002 | DE10201467A1 Multifunktionales Hybrid Schütz Multi-functional hybrid contactor |
| 08/28/2002 | EP1234372A1 Device and method for controlling supply of current and static capacitance to compressor |
| 08/28/2002 | CN1089659C Reciprocal dry shaver |
| 08/27/2002 | US6442535 Method and apparatus for implementing a low cost, intelligent controller for a switched reluctance machine |
| 08/27/2002 | US6441580 Brushless machine control |
| 08/27/2002 | US6441571 Vibrating linear actuator and method of operating same |
| 08/27/2002 | US6441520 Power module |
| 08/22/2002 | US20020114122 Method of controlling solenoid actuator |
| 08/22/2002 | US20020113565 Coil winding number variable type motor and coil winding number varying method for varying cooling and heating capacity of reciprocating compressor |
| 08/21/2002 | EP1233221A1 Method of controlling solenoid actuator |
| 08/21/2002 | EP1232558A1 Device and method for controlling supply of current and static capacitance to compressor |
| 08/21/2002 | CN1365182A A method and system for determining roto position in switch magnetoresistance machinery |
| 08/20/2002 | US6437524 Frequency control of linear motors |
| 08/15/2002 | US20020109476 Method for reducing torque ripple of switched reluctance motor |
| 08/14/2002 | EP1231706A2 Controlling apparatus for linear oscillation motor and method for controlling linear oscillation motor |
| 08/14/2002 | DE10104275A1 Stromrichtervorrichtung für eine von mehreren Motorwicklungen eines Reluktanzmotors Power converter apparatus for one of a plurality of motor windings of a reluctance motor |
| 08/13/2002 | US6433505 Phase shifting network |
| 08/08/2002 | WO2002061935A1 Power converter device for one of several motor windings on a reluctance motor |
| 08/08/2002 | WO2002061924A1 Electronically controlled changeover switch |
| 08/08/2002 | WO2002061780A1 System and method for servo control of nonlinear electromagnetic actuators |
| 08/08/2002 | US20020105312 Charge pump based negative regulator with adjustable output current to allow reduction of switching noise |
| 08/08/2002 | US20020105301 Scroll compressor having multiple motor performance characteristics |
| 08/08/2002 | CA2436155A1 System and method for servo control of nonlinear electromagnetic actuators |
| 08/06/2002 | US6429620 Motor control device |
| 08/01/2002 | US20020101125 Controlling apparatus for linear oscillation motor and method for controlling linear oscillation motor |
| 08/01/2002 | US20020101122 Electromechanically controlled changeover switch |
| 07/31/2002 | EP1163530A4 Blended velocity estimation |
| 07/31/2002 | EP1141957B1 A method of controlling the speed of an arm of a disk drive |
| 07/31/2002 | CN1361574A Coil windings number-variable type motor and changing method for number of coil windings |
| 07/25/2002 | WO2002045245A3 Xyz-axes table |
| 07/25/2002 | US20020097012 Oscillating motor and motor control apparatus and method |
| 07/25/2002 | US20020096970 Driving device of a vibration type actuator |
| 07/25/2002 | DE10158994A1 Motor for altering heating and cooling capacity of piston compressor e.g. for refrigeration unit, has variable number of coil windings |
| 07/24/2002 | EP1225686A2 Rotor position estimation for switched reluctance machines |
| 07/24/2002 | EP1225685A2 Drive circuit and method for driving a switched reluctance machine |
| 07/24/2002 | EP0938773B1 Load power control method using a phase control system, and device therefor |
| 07/24/2002 | CN1088284C Commutation controller |
| 07/24/2002 | CN1088283C On-off controller |
| 07/23/2002 | US6424112 Electric motor hand tool with digital input and control |
| 07/18/2002 | US20020093774 Multi-functional hybrid contactor |
| 07/18/2002 | US20020093327 Apparatus for detecting shaking of stroke of linear compressor and method therefor |
| 07/18/2002 | US20020093252 Integrated system of a permanent magnet excited motor and a non-contact power feeding apparatus |
| 07/18/2002 | US20020093200 Toroidally wound induction motor-generator with selectable number of poles and vector control |
| 07/18/2002 | DE10148517A1 Geschwindigkeitsregelungsvorrichtung eines synchronen Reluktanzmotors und Verfahren dazu Speed control apparatus of a synchronous reluctance motor and method therefor |
| 07/18/2002 | DE10100196A1 Supplying electrical load e.g. electric motor for vacuum cleaner, involves alternately providing voltage components dependent on second and third phase angles that correspond essentially to first periodic voltage component |
| 07/17/2002 | CN1359557A Power supply circuit of an electric and corresponding control method |
| 07/17/2002 | CN1359556A 线性电机 Linear motors |
| 07/17/2002 | CN1359515A Active damping of actuator beairng translational mode |
| 07/11/2002 | WO2002054573A2 Vibration motor and apparatus using the same |
| 07/11/2002 | US20020089303 Driving circuit for electronically switched motors |
| 07/11/2002 | US20020089301 Method and system for determining rotor postion in a switched reluctance machine |
| 07/11/2002 | DE10157257A1 Toroidal gewickelter Asynchronmotorgenerator mit wählbarer Polzahl Toroidal wound Asynchronmotorgenerator with selectable number of poles |
| 07/10/2002 | EP1221764A1 A method and system for determining rotor position in a switched reluctance machine |
| 07/10/2002 | EP1221763A2 Methods of optimizing performance parameters of a switched reluctance machine |
| 07/03/2002 | EP1219012A1 Motor assembly with electronic switch, device powering said motor and electrical vacuum cleaner equipped with said assembly |
| 07/03/2002 | CN1356766A Operation of switch magnetoresistance drive system using double voltage source |
| 07/03/2002 | CN1356765A Current chopping in switch magnetoresistance driven system |
| 07/03/2002 | CN1356473A Equipment and method for controlling linear compressor |
| 07/03/2002 | CN1356469A Equipment and method for detecting stroke vibration of linear compressor |
| 07/02/2002 | US6414857 Pulse width modulated control apparatus and method of using the same |
| 07/02/2002 | US6414462 Speed control apparatus for synchronous reluctance motor |
| 07/02/2002 | US6414452 Waveform control device for vibrating tables and method thereof |
| 06/27/2002 | WO2002050477A1 Controller for a inrush current of air-conditioner compressor and thereof controlling method |
| 06/27/2002 | US20020081106 Circuit for the speed recovery of a direct current motor and method using said circuit |
| 06/27/2002 | US20020079854 Automatic gain adjustment for voice call motor back EMF monitor |
| 06/26/2002 | CN1355453A Circuit for driving linear compressor |
| 06/25/2002 | US6411060 Driving device for switched reluctance motor and method therefor |
| 06/20/2002 | DE10062940A1 Method for electronic control of RPMs in an asynchronous motor like a capacitor motor or a split-pole motor, using a sinusoidal input AC voltage to generate a variable motor AC voltage to adjust RPMs regarding basic frequency. |
| 06/19/2002 | EP1214778A1 Arrangement for the protection of a power semiconductor output stage switching an inductive consumer |
| 06/19/2002 | EP1214777A1 A controller for electrical machines |
| 06/18/2002 | US6407530 Device and method for controlling supply of current and static capacitance to compressor |
| 06/13/2002 | US20020071199 Magnetic disc storage apparatus |
| 06/13/2002 | DE10157699A1 Control circuit for air conditioning coolant compressor has detector for differences in compressor reciprocation and coolant flow to adjust for variations in phase |
| 06/12/2002 | EP0768750B1 Switched-reluctance rotary machine |
| 06/12/2002 | CN1353495A Articulated driving equipment |
| 06/11/2002 | US6404154 Force control system |
| 06/06/2002 | WO2002045245A2 Xyz-axes table |
| 06/06/2002 | US20020067081 System monitor for a linear/rotary actuator |
| 06/06/2002 | DE10157700A1 Schaltung zur Ansteuerung eines linearen Kompressors Circuit for driving a linear compressor |
| 06/06/2002 | DE10147610A1 Reciprocating compressor controller for refrigerator, controls voltage supply to drive circuit to make stroke corresponding to detected phase difference inflection point |
| 06/05/2002 | EP1023533B1 Method for controlling an electromechanical actuating device |
| 06/04/2002 | US6400131 Transducer offset compensation |
| 06/04/2002 | US6400046 Linear motor driver having a position detection means |
| 05/30/2002 | WO2002043225A1 Power supplies for drive assemblies which minimize net torque and/or vibration thereof |
| 05/30/2002 | US20020064461 Circuit for driving linear compressor |