| 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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| 11/02/2004 | US6812618 Control apparatus for vibration type actuator |
| 10/28/2004 | US20040212359 Rotor position determination in a switched reluctance machine |
| 10/28/2004 | DE20314865U1 Stromversorgungsschaltung für einen Drehstrom-Asynchronmotor Power supply circuit for a three-phase asynchronous motor |
| 10/28/2004 | DE10331934B3 Control method for washing machine motor using temperature-related operating parameter for adjustment of electrical energy supplied to motor |
| 10/27/2004 | EP1471629A2 Rotor position determination in a switched reluctance machine |
| 10/26/2004 | US6809485 Driving device for oscillatory actuator |
| 10/26/2004 | US6809434 Linear motor |
| 10/21/2004 | US20040210415 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
| 10/21/2004 | US20040207360 Inverter controller for driving motor, and air conditioner |
| 10/21/2004 | US20040207352 Method for reducing the influence of a dc current component in the load current of an asynchronous motor |
| 10/21/2004 | US20040207286 Brushless electro-mechanical device |
| 10/21/2004 | US20040206341 Thermal modeling of a switched reluctance motor |
| 10/20/2004 | EP1469580A1 Motor driving apparatus for a linear vibration motor |
| 10/19/2004 | US6806677 Automatic control switch for an electric motor |
| 10/19/2004 | US6806676 Method for maximizing power output in permanent field synchronous motors |
| 10/14/2004 | US20040204277 Hybrid electric vehicle |
| 10/14/2004 | US20040201358 Synchronous reluctance motor control device |
| 10/14/2004 | US20040200663 Electric motor-driven power steering apparatus |
| 10/14/2004 | US20040200057 Systems and methods for manufacturing adaptive electric machines |
| 10/14/2004 | DE10345268A1 Drehzahlmessung/Drehzahlsteuerung eines Asynchronmotors und eines Universalmotors Speed measurement / speed control of an induction motor and a universal motor |
| 10/12/2004 | US6804131 PWM/linear driver for an electromagnetic load |
| 10/12/2004 | US6803740 Method and apparatus for determining phase current of switched reluctance electric machines |
| 10/12/2004 | US6803739 Method and apparatus for controlling synchronous motor |
| 10/07/2004 | DE10311028A1 Method for determining starting rotor position and revs for permanent magnet excited synchronous machine, involves calculating minimal value depending on current response for switch-on period of zero voltage vector |
| 10/07/2004 | DE102004009638A1 Synchrone Motorsteuerungsvorrichtung und Verfahren zum Korrigieren einer Abweichung einer Drehposition eines Synchronmotors Synchronous motor control device and method for correcting a deviation of a rotational position of a synchronous motor |
| 10/05/2004 | US6801013 PSC motor system for use in HVAC applications |
| 10/05/2004 | US6801012 Sensorless control of switched reluctance electric machines |
| 09/30/2004 | US20040190881 Electrical resonance circuits for high efficiency direct current motors |
| 09/30/2004 | US20040189241 Regulating system having a simple hardware unit for regulating an electric machine optionally in PWM operation or block operation |
| 09/30/2004 | US20040189240 Sensorless control of switched reluctance electric machines |
| 09/30/2004 | US20040189234 Uniaxial drive unit |
| 09/30/2004 | US20040189103 Linear motor |
| 09/30/2004 | DE20318357U1 Synchronous electrical machine with superconducting rotor winding excited through cooled MOSFETS, has individual control circuits and leads to switches |
| 09/29/2004 | EP1462893A2 Uniaxial drive unit |
| 09/29/2004 | EP0893004B1 Improved method and apparatus for controlling a switched reluctance machine |
| 09/28/2004 | CA2368589C Method and apparatus for controlling a compressor |
| 09/23/2004 | WO2004082126A1 Electric vehicle with adaptive cruise control system |
| 09/23/2004 | US20040183497 Controller |
| 09/23/2004 | US20040183496 Motor control apparatus and motor control method |
| 09/23/2004 | US20040183487 Motor driving apparatus |
| 09/23/2004 | CA2519130A1 Electric vehicle with adaptive cruise control system |
| 09/22/2004 | EP1460758A2 Vector control method and apparatus |
| 09/22/2004 | CN1531772A Sensorless switched reluctance electric machine with segmented stator |
| 09/22/2004 | CN1168192C Variable vibration generator and electronic machine equiped with the same vibration generating device |
| 09/21/2004 | US6794839 Precision motor control with selective current waveform profiles in separate stator core segments |
| 09/16/2004 | WO2004079884A1 In-vacuum drive device and substrate transportation system using the same |
| 09/16/2004 | WO2004079880A2 A variable speed drive with a synchronous electric motor |
| 09/16/2004 | WO2004022944A3 Method and device for delivering high torque at low amperage |
| 09/16/2004 | US20040181323 Electric vehicle with adaptive cruise control system |
| 09/16/2004 | US20040178774 Variable reluctance generator |
| 09/16/2004 | DE19616851B4 Schutzgerät zum Vermeiden einer unerwünschten Stromversorgung Apparatus for avoiding unwanted power supply |
| 09/15/2004 | EP1297608A4 Linear actuator control structure |
| 09/14/2004 | US6791226 Multiphase motor winding topology and control |
| 09/08/2004 | EP1454410A1 Method for reducing the influence of a dc current component in the load current of an asynchronous motor |
| 09/07/2004 | US6788022 Electric motor |
| 09/07/2004 | US6788021 Control method for switched reluctance motor |
| 09/07/2004 | US6788020 Electrical machines |
| 09/02/2004 | US20040169480 Control system for a linear vibration motor |
| 09/02/2004 | US20040169479 Multiple-speed electric machine and method of operating the same |
| 09/01/2004 | CN1525628A Electric motor |
| 08/31/2004 | US6784633 Method and apparatus for controlling switched reluctance motor and compressor |
| 08/26/2004 | WO2004073158A1 Software-based adaptive control system for electric motors and generators |
| 08/26/2004 | WO2004073155A1 In-wheel electric motor system |
| 08/26/2004 | WO2004073140A2 Excitation circuit and control method for flux switching motor |
| 08/26/2004 | US20040165869 Speed control circuit for a brushless dc motor |
| 08/26/2004 | US20040164636 Electric motor |
| 08/25/2004 | EP1450471A1 Motor driving apparatus for a linear vibration motor |
| 08/25/2004 | EP1450469A2 Electric motor |
| 08/25/2004 | EP1449294A1 Electronically-commutated motor |
| 08/19/2004 | WO2004070934A1 Motor control system and method with adaptive current profile |
| 08/17/2004 | US6777902 Asymmetric drive motor for a barrier operator or the like |
| 08/11/2004 | EP1444774A2 Motor controller |
| 08/11/2004 | CN1520023A 控制器 Controller |
| 08/10/2004 | US6775161 Power supply circuit for an electric motor and corresponding control method |
| 08/10/2004 | US6774594 Asymmetric drive motor for a barrier operator or the like |
| 08/10/2004 | US6774589 Rocking seat control apparatus |
| 08/10/2004 | US6774588 Controlling apparatus for linear oscillation motor and method for controlling linear oscillation motor |
| 08/04/2004 | EP1443637A2 Controller |
| 08/04/2004 | EP1443634A2 Inverter drive system having changeable configurations |
| 08/04/2004 | EP1442513A1 Method and apparatus for maintaining force of a variable reluctance motor |
| 08/04/2004 | CN1518195A Variable reluctance generator |
| 08/04/2004 | CN1160846C Method for starting and steady-state supply of permanent-magnet synchronous notor particularly for driving hydraulic pump |
| 07/29/2004 | WO2004064239A1 Multi-axis motor control device resonance frequency detection device |
| 07/29/2004 | WO2004063569A1 A linear-compressor control system a method of controlling a linear compressor a linear compressor and cooling system |
| 07/29/2004 | US20040145337 Inverter drive system |
| 07/29/2004 | US20040145326 Multiphase motor voltage control for phase windings of different wire gauges and winding turns |
| 07/29/2004 | US20040145323 Adaptive control of motor stator current waveform profiles |
| 07/29/2004 | DE202004004061U1 Electromagnetic movement unit has a control circuit with energy supply circuits with detection and electrical energy units that enable oscillating movement and energy recovery |
| 07/29/2004 | DE10301826A1 Regelsystem mit einer einfachen Hardware-Einheit zur Regelung einer elektrischen Maschine wahlweise im PWM-oder Blockbetrieb Control system with a simple hardware unit for controlling an electric machine either in PWM mode or block |
| 07/28/2004 | EP1441436A2 Control system with a simple hardware unit to control an electric machine in PWM mode or square wave mode |
| 07/28/2004 | EP1441435A1 A variable reluctance generator |
| 07/28/2004 | CN1516918A Synchronuos reluctance motor control device |
| 07/27/2004 | US6768977 Method and circuit for modeling a voice coil actuator of a mass data storage device |
| 07/27/2004 | US6768279 Reprogrammable motor drive and control therefore |
| 07/27/2004 | US6768278 Gas turbine engine starter generator with switchable exciter stator windings |
| 07/24/2004 | CA2436163A1 Inverter drive system |
| 07/22/2004 | US20040139767 Rotary speed control for a universal motor, in particular for a washing machine drive |
| 07/15/2004 | WO2004045059A3 Multiphase motor having winding connections specific to respective operating speed ranges |
| 07/15/2004 | US20040134267 Diagnostic system and method for an electric motor using torque estimates |
| 07/15/2004 | DE10334213A1 Vorrichtung zum Steuern des Antriebs eines Linearmotors und Verfahren dazu An apparatus for controlling the drive of the linear motor and method thereof |