Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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05/31/2007 | US20070120509 Methods and systems for providing pwm control signals to an electronically commutated motor |
05/31/2007 | DE102006053502A1 Elektrowerkzeug, insbesondere Akku-Elektrowerkzeug Power tool, especially cordless power tool |
05/30/2007 | EP1696818B1 Changing amplitude of movement by changing the drive frequency of a toothbrush brushhead |
05/30/2007 | EP1131873B1 A system and a method for protecting an electric motor and its control circuit, and an electric motor |
05/30/2007 | CN1973430A Method and apparatus for controlling an electric motor |
05/30/2007 | CN1972114A A method for control of non-laminated DC motor with digital DC speed-regulating apparatus |
05/30/2007 | CN1319265C Linear vibration motor |
05/30/2007 | CN1319264C Power circuit of high speed motor |
05/30/2007 | CN1319262C Robust current loop controller used for servo system and control method therefor |
05/29/2007 | US7222694 Control unit for electric power steering |
05/24/2007 | WO2007037692A3 Regulator circuit for an electric motor, provided with a microprocessor |
05/24/2007 | US20070114959 Method and apparatus for controlling the speed of a dc motor |
05/24/2007 | US20070114958 Automatic transfer switch apparatus |
05/24/2007 | US20070114957 Method for controlling the firing angle of an electric motor |
05/24/2007 | US20070114859 Cooling fan |
05/24/2007 | DE102005052991A1 Verfahren und Schaltungsanordnung zur Steuerung des Betriebs eines Elektromotors eines elektrischen Gerätes, insbesondere eines elektrischen Hausgerätes, sowie dabei einsetzbare Schnittstellenschaltungsanordnung Method and circuit arrangement for controlling the operation of an electric motor of an electrical appliance, in particular an electrical household appliance, which can be used here as well as interface circuitry |
05/24/2007 | DE102004010394B4 Strom-Controller für induktive Last Current controller for inductive load |
05/23/2007 | EP1788699A1 Circuit arrangement and method for operating a circuit arrangement |
05/23/2007 | CN2904475Y Control circuit for DC electric machine |
05/23/2007 | CN1969452A Automatic output power limiting electrical device |
05/23/2007 | CN1969229A Actuator drive circuit for shutter and actuator for shutter |
05/23/2007 | CN1968003A A low-loss, high reliability integration magnetic levitation flywheel DC brushless motor control system |
05/23/2007 | CN1968002A A phase-lock steady speed control system of high speed permanent-magnetic brushless DC motor |
05/23/2007 | CN1967733A Resistor for controlling load circuit and its assembly method and wiring board |
05/22/2007 | US7221858 Pulse-width modulation motor speed control circuit |
05/22/2007 | US7221116 Motor control apparatus |
05/18/2007 | WO2007056370A2 Drill with solid state speed control and method of operating |
05/18/2007 | WO2007056255A2 Method and apparatus for providing torque limit feedback in a power drill |
05/17/2007 | US20070110410 Stationary position detection circuit and motor drive circuit |
05/17/2007 | US20070108930 Motor driving apparatus and control method thereof |
05/17/2007 | US20070108925 Method for testing the serviceability of transducers |
05/17/2007 | US20070108924 Motor Driving device |
05/16/2007 | EP1786089A1 System and method for charging and discharging a superconducting coil |
05/16/2007 | EP1784911A1 Circuit arrangement and method for operating an electric motor with varying rotational speed on a constant-voltage source |
05/16/2007 | CN2901696Y Inductive load driving circuit |
05/16/2007 | CN2901695Y Chopper speed regulating electric device for industrial and mining motor car |
05/16/2007 | CN1965213A Single track brush-based position encoder for rotating shaft |
05/16/2007 | CN1964180A Motor control apparatus |
05/16/2007 | CN1962325A Electronic control windshield wiper |
05/15/2007 | US7218846 Fan speed control circuit |
05/15/2007 | US7218120 Fault detection circuit for a driver circuit |
05/15/2007 | CA2567964A1 System and method for charging and discharging a superconducting coil |
05/10/2007 | US20070104468 Motor control apparatus |
05/10/2007 | US20070103106 Electric vehicle drive control device and control method therefor |
05/10/2007 | US20070103105 Control unit for elctric power steering apparatus |
05/10/2007 | US20070103104 Power torque tool |
05/10/2007 | US20070103102 Impulse wrench with angle sensing means |
05/10/2007 | US20070103008 Moving magnet type linear slider |
05/09/2007 | EP1782529A1 Automatic output power limiting electrical device |
05/09/2007 | EP0950280B1 Adjustable speed control for children's ride-on vehicle |
05/09/2007 | CN1961470A Moving magnet type linear slider |
05/09/2007 | CN1960158A Drive and brake modes of micro motor in a portable type electronic product |
05/09/2007 | CN1959580A Circuit for controlling speed of fan, and control method |
05/08/2007 | US7215093 Motor drive circuit and motor drive method that can positively perform a brake operation |
05/08/2007 | US7215091 Method for controlling a DC printer motor with a motor driver |
05/08/2007 | US7213461 Torsional shaker apparatus for inspecting rotatable power generation machinery |
05/03/2007 | US20070101193 Diagnostic and managing distributed processor system |
05/03/2007 | US20070098374 Information processing apparatus and fan control method |
05/03/2007 | US20070098373 Dc motor drive unit |
05/03/2007 | US20070096683 Electric Motor Driving System, Electric Four-Wheel Drive Vehicle, and Hybrid Vehicle |
05/03/2007 | US20070096672 Electric power steering apparatus and controller therefor |
05/03/2007 | US20070096671 Inverter |
05/03/2007 | US20070096669 Apparatus and method for controlling rotation speed of a fan |
05/03/2007 | US20070096665 Method and circuit for controlling motor speed |
05/02/2007 | EP1780726A2 Movement control device, movement control method, movement control program and recording medium storing the program |
05/02/2007 | EP1779351A1 Electric roller-shutter actuator comprising a control interface with electric break contacts |
05/02/2007 | CN2896349Y Vehicle-door control device of automotive network system |
05/02/2007 | CN1957525A Coil load driving circuit and optical disc device |
05/02/2007 | CN1956315A Circuit for controlling speed of fan |
05/02/2007 | CN1313733C Apparatus and method for controlling operation of linear compressor |
05/01/2007 | US7212036 Driving apparatus of H bridge circuit and protection method of the same |
05/01/2007 | US7211974 Motor and drive control system thereof |
05/01/2007 | US7211972 Power tool with remote stop |
04/26/2007 | WO2007046120A1 Actuator for automotive climatization units |
04/26/2007 | US20070092232 Motor drive unit |
04/26/2007 | US20070090782 Control apparatus of electric power steering apparatus |
04/26/2007 | US20070090780 Series motor and method of controlling the same |
04/26/2007 | DE202006011247U1 Modul eines PWM-Treibers als Motortreiber für SPS-Steuerung Module of a PWM driver as an engine driver for PLC |
04/26/2007 | DE19910755B4 Lineare Strommeßschaltung für Motorsteuerung Linear current sensing circuit for motor control |
04/26/2007 | DE102006047707A1 Verfahren zur Messung eines Motorstromes A method of measuring a motor current |
04/26/2007 | DE10048353B4 Antriebssteuerung für einen elektrischen Antrieb Drive controller for an electric drive |
04/24/2007 | US7207173 Method and apparatus for warm up control of autonomous inverter-driven hydraulic unit |
04/19/2007 | WO2007044913A2 Wheelchair with motor speed and torque control |
04/19/2007 | WO2007042359A1 Device for supplying pulse width-modulated output pulses for the motor of a fan |
04/19/2007 | WO2007015968A3 kW-BASED TORQUE CONTROL FOR AC MOTORS |
04/19/2007 | US20070086755 Pulse width modulation drive and method for ornaments with movable components |
04/19/2007 | US20070085500 Apparatus and method for controlling brushless DC motor |
04/19/2007 | US20070085499 Rotor position detection of a brushless DC motor |
04/19/2007 | US20070085498 Method and apparatus to control a variable speed motor |
04/19/2007 | DE102005048330A1 Ansteuersystem für eine elektrische Maschine Drive system for an electric machine |
04/19/2007 | DE102005048192A1 Drive for moving displays in a vehicle comprises a position-determining device consisting of a Hall switch integrated in a d.c. motor to produce a signal during adjustment of a display |
04/19/2007 | DE102005007259B4 Positionsmessvorrichtung Position measuring device |
04/18/2007 | CN1950993A Commutator motor having a number of field winding groups |
04/18/2007 | CN1950613A System and method for variable speed operation of a screw compressor |
04/18/2007 | CN1949119A Fan system and method with circuit magnetic hysteresis feature |
04/18/2007 | CN1311605C Wire or wireless system for power tool and method for power supply |
04/17/2007 | US7205736 Method for voltage feedback for current mode linear motor driver |
04/12/2007 | US20070081800 System and method for controlling the rotating speed of a fan |
04/12/2007 | US20070081799 Motor driving device and electric power steering apparatus |
04/12/2007 | US20070080656 Wheelchair with motor speed and torque control |