| Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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| 01/18/2005 | US6844693 Position control apparatus for motor |
| 01/13/2005 | DE102004022858A1 System und Verfahren zur Drehzahlregelungs- und Stillstandsschutzkombination für Elektromotoren wie etwa in Motorkühlanwendungen System and method for simple motor control and stall protection combination of electric motors such as in engine cooling applications |
| 01/12/2005 | EP1496608A2 Spindle motor drive controller |
| 01/12/2005 | EP1495944A1 Motor-driven power steering apparatus |
| 01/11/2005 | US6841955 Moving body drive control device |
| 01/11/2005 | CA2231134C Control system for separately excited dc motor |
| 01/06/2005 | US20050002657 Fan speed control circuit |
| 01/06/2005 | US20050002656 Speed control of a d.c. motor |
| 01/06/2005 | US20050001573 Non-contact safety system |
| 01/06/2005 | US20050001571 Method and system for regulating instantaneous electromagnetic torque and storage medium for implementing the method |
| 01/06/2005 | US20050001484 EMC-optimized device for controlling a fan |
| 01/05/2005 | EP1494341A2 A circuit for driving a load, in particular a direct-current electric motor |
| 01/05/2005 | EP1493224A1 Method and apparatus for pulse variable-controlled movable obstacle detection |
| 01/05/2005 | CN2669473Y Weak-current low-power DC speed-regulating circuit |
| 01/05/2005 | CN1559329A Rocking seat control apparatus |
| 01/05/2005 | CN1182987C Electric motor driving unit, and method for testing fault of electric motor driving unit |
| 01/04/2005 | US6839653 Method for correcting the determination of the rotational position of a commutated DC motor drive shaft |
| 01/04/2005 | US6838849 Serially connected double-phase full-wave brushless dc motor |
| 01/04/2005 | US6838845 Circuit arrangement of an electromotor comprising two terminals |
| 01/04/2005 | US6838803 System for detecting abrasion of brush of direct current motor |
| 12/30/2004 | US20040264948 Driving circuit for switches of direct current fan motor |
| 12/30/2004 | US20040264086 Overvoltage protective device for DC motor |
| 12/30/2004 | US20040263105 Thermal control variable-speed circuit without switching noise |
| 12/30/2004 | US20040263104 Sensorless motor driving device and its driving method |
| 12/30/2004 | US20040263102 Holding arrangement having an apparatus for balancing a load torque |
| 12/30/2004 | US20040263101 Apparatus and method for generating torque |
| 12/29/2004 | WO2004114513A1 Method and arrangement for control of direct current motor |
| 12/29/2004 | CN2667799Y Low-cost high-performance DC brushless electric machine controller |
| 12/29/2004 | CN2667798Y Wide voltage, zero power consumption electronic startor for single-phase asynchronous machine |
| 12/29/2004 | CN1558547A Non-linear dynamic calibration method for permanent magnetic synchronous motor |
| 12/29/2004 | CN1182652C Flux-weakening control method in induction motor |
| 12/28/2004 | US6836091 Servo control device of DC motor |
| 12/28/2004 | US6836087 Multiphase motor voltage control for phase windings of different wire gauges and winding turns |
| 12/23/2004 | US20040257022 Method and system for multiple servo motor control |
| 12/23/2004 | US20040257013 Method and system for cooling electronic components |
| 12/23/2004 | DE10325761A1 Vorwiderstandsbaugruppe für einen Elektromotor und Schaltungsanordnung mit ein er Vorwiderstandsbaugruppe zum Betreiben eines Elektromotors sowie Verwendung einer Vorwiderstandsbaugruppe Vorwiderstandsbaugruppe for an electric motor and circuitry with a he Vorwiderstandsbaugruppe for operating an electric motor and use a Vorwiderstandsbaugruppe |
| 12/22/2004 | CN2664651Y Armature voltage negative feedback type control device for motor of massage chair/mat |
| 12/16/2004 | WO2004109902A1 Series resistor assembly for an electric motor, circuit arrangement comprising a series resistor assembly for operating an electric motor and use of said assembly |
| 12/16/2004 | US20040252422 Selective potting for controlled failure and electronic devices employing the same |
| 12/16/2004 | US20040251942 PWM buffer circuit for adjusting a frequency and a duty cycle of a PWM signal |
| 12/16/2004 | DE10322863A1 Circuit for controlling an electric motor powered load via a capacitor which takes up the motor energy during braking e.g. for on-board networks in motor vehicle |
| 12/16/2004 | DE10322118A1 Direct current motor speed control system e.g. for ventilation fan, uses several FET's connected in parallel, with different resistors in series with them and connected to control circuit |
| 12/15/2004 | EP1486398A1 Electric power steering device control apparatus |
| 12/15/2004 | CN1555130A Pulse width modulation method for permanent magnet brushless DC motor |
| 12/14/2004 | US6831477 Motor abnormality detecting apparatus |
| 12/14/2004 | US6831441 Speed regulator by pulse width modulation for direct current motors |
| 12/14/2004 | US6831431 Method for regulating the rotational speed of a motor and a motor for carrying out a method of this type |
| 12/14/2004 | US6831429 Prediction of available torque and power from battery-powered traction motor |
| 12/09/2004 | WO2004107551A1 Inverter device |
| 12/09/2004 | WO2004084397A3 Control and monitoring arrangements for an aperture closure member |
| 12/09/2004 | WO2004004109A3 Electronically controlled electric motor |
| 12/09/2004 | US20040247449 Fan control system using a microcontroller |
| 12/09/2004 | US20040247299 Motor control device for vehicular power mirror |
| 12/09/2004 | US20040246637 Motor condition detection apparatus and vehicle height control apparatus |
| 12/09/2004 | DE10357806A1 Servomotor mit eingebauter Treiberschaltung Servo motor with integrated driver circuit |
| 12/08/2004 | EP1484835A2 Method and system for regulating the instantaneous electromagnetic torque, and memory support for carrying out the method |
| 12/08/2004 | EP1483964A1 Motor control device for motor driven reel |
| 12/08/2004 | EP1330868B1 Circuit arrangement with an electric motor comprising two terminals |
| 12/08/2004 | CN1179479C Method and circuit for power detection in electronically switched electric motor |
| 12/07/2004 | US6828748 Speed control circuit for a brushless dc motor |
| 12/02/2004 | US20040239277 Method of regulating an electric motor and corresponding electric motor |
| 12/02/2004 | US20040239273 Serially connected double-phase full-wave brushless dc motor |
| 12/02/2004 | US20040239174 Pump drive motor control apparatus |
| 12/02/2004 | DE10320276A1 Determining defect in electrical machine, especially generator involves evaluating running down by determining parameter characterizing running down and comparing with predefined reference value |
| 12/01/2004 | EP1481464A1 H-bridge with single lead frame |
| 12/01/2004 | EP1481426A2 H-bridge with single lead frame |
| 12/01/2004 | EP1480847A1 Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors |
| 12/01/2004 | CN1551484A Rotor position determination in a switched reluctance machine |
| 12/01/2004 | CN1551464A DC magneto with speed control |
| 12/01/2004 | CN1550946A Fan control apparatus |
| 11/30/2004 | US6825625 Device with an electromotor |
| 11/25/2004 | WO2004102783A2 Linear control systems and methods for avoiding motor in dc motor |
| 11/25/2004 | US20040234402 Motor drive apparatus |
| 11/25/2004 | US20040232871 Apparatus, methods, and articles of manufacture for a terminator positioning system |
| 11/25/2004 | US20040232864 Apparatus for controlling motor |
| 11/24/2004 | EP1480324A2 Apparatus for controlling motors |
| 11/24/2004 | EP1480319A2 Apparatus, methods and articles of manufacture for a terminator positioning system |
| 11/24/2004 | CN1549434A Output current adjustable electric current drive circuit |
| 11/24/2004 | CN1549430A Servo motor with a built-in drive circuit |
| 11/23/2004 | US6823134 Automatic reverse motor controller |
| 11/23/2004 | US6822409 Circuit using current limiting to reduce power consumption of actuator with DC brush motor |
| 11/18/2004 | WO2004098261A2 Control system for doubly fed induction generator |
| 11/18/2004 | US20040228051 System and method for speed control and stall protection combination for electric motors such as in engine cooling applications |
| 11/18/2004 | US20040227486 Resonant motor system |
| 11/18/2004 | US20040227483 Motor drive apparatus and method of controlling an operation on the same |
| 11/18/2004 | US20040227477 Differential current output unit |
| 11/18/2004 | DE202004010231U1 Datenübertragungsvorrichtung zum Aktualisieren der Programmierung eines Steuerungssystems einer rotierenden elektrischen Maschine The data transmission apparatus to update the programming of a control system of a rotating electric machine |
| 11/17/2004 | CN2657285Y Switch control circuit for kitchen ventilator |
| 11/12/2004 | CA2428474A1 Dc magnetic motor with speed control |
| 11/11/2004 | US20040222772 Control apparatus and control method of generator for vehicle |
| 11/11/2004 | US20040222764 Servo motor with a built-in drive circuit |
| 11/11/2004 | US20040222763 Brushless dc motor applied to ac power |
| 11/11/2004 | US20040222759 Power window driving device |
| 11/04/2004 | US20040217729 Electric power assist steering system and method of operation |
| 11/04/2004 | US20040217724 Driving circuit for rotating motor in forward and reverse direction |
| 11/04/2004 | DE10346645A1 Mit elektrischem Motor angetriebenes Servolenkgerät With electric motor-driven power steering apparatus |
| 11/03/2004 | CN2653779Y Door machine driving controller |
| 11/03/2004 | CN1543047A Inverter controller for driving motor, and air conditioner |
| 11/02/2004 | US6812666 Current sense IC with circuitry for eliminating ripple current error from motor current measurement |
| 11/02/2004 | US6812661 Multiphase motor having winding connections specific to respective operating speed ranges |