Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217) |
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11/02/2004 | US6812658 Drive unit |
11/02/2004 | US6812656 Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors |
10/28/2004 | WO2004093287A1 Method and sytem for controlling the reactive power of a variable speed drive |
10/28/2004 | US20040213558 Control circuitry for controlling rotational speed of a DC motor |
10/28/2004 | US20040213072 Boost capacitor layout technique for an H-bridge integrated circuit motor controller to ensure matching characteristics with that of the low-side switching devices of the bridge |
10/28/2004 | US20040212359 Rotor position determination in a switched reluctance machine |
10/28/2004 | US20040211200 Current control loop for actuator and method |
10/28/2004 | DE19935100B4 Halbbrückenkonfiguration Half-bridge configuration |
10/28/2004 | DE10316641A1 EMV-optimierte Vorrichtung zur Ansteuerung eines Gebläses EMC-friendly device for driving a blower |
10/27/2004 | EP1471630A2 Three phase machine, apparatus and method for supplying a electrical network |
10/27/2004 | EP1471629A2 Rotor position determination in a switched reluctance machine |
10/27/2004 | EP1470630A1 Device for suppressing the radio-interference of an electric commutator |
10/27/2004 | EP1008233B1 Current supply device for a d.c. motor drive system, especially comprising travel-dependent detection of parameters of the driven object |
10/27/2004 | CN2652038Y Feedback electrical vibrator controller with double-circuit current |
10/27/2004 | CN1540834A Circuit supplying power from generator driven by inertial force of electric rotating motor and internal-combustion engine |
10/27/2004 | CN1173549C Speed control device for motor of scanner and control method |
10/26/2004 | US6809488 Method for determining the position of an element driven by the drive shaft of a direct current motor |
10/26/2004 | US6809484 Multiple electronically commutated motor control apparatus and method |
10/21/2004 | US20040210701 Method of providing an interface to a plurality of peripheral devices using bus adapter chips |
10/21/2004 | US20040207360 Inverter controller for driving motor, and air conditioner |
10/21/2004 | US20040207353 Method and apparatus for synchronizing a scan operation with the motion of the scan mechanism |
10/20/2004 | EP1105964B1 Circuit for regulating the rotational speed of a fan |
10/20/2004 | CN1538584A Motor control equipment |
10/19/2004 | US6806673 Fan driving circuit using a PWM input signal |
10/19/2004 | US6806672 Movable barrier operator |
10/19/2004 | US6806667 Control unit and control method for controlling vibration of an electric vehicle |
10/14/2004 | US20040201354 Vsd control |
10/14/2004 | US20040200663 Electric motor-driven power steering apparatus |
10/14/2004 | US20040200017 Surface maintenance tool power control system |
10/13/2004 | EP1467479A1 Drive device for a closing unit |
10/13/2004 | EP1467476A2 Device with an electromotor |
10/13/2004 | CN1536118A Sewing machine and recording medium recorded with pulse electric machine control program |
10/07/2004 | US20040195989 DC motor control |
10/07/2004 | US20040195986 Movable barrier operator |
10/07/2004 | DE10356844A1 Positionssteuerungsverfahren durch Motorantrieb und zugehörige Steuereinheit Position control method by motor drive and associated control unit |
10/07/2004 | DE102004011441A1 Motorsteuervorrichtung The motor control apparatus |
10/07/2004 | DE102004010687A1 Servomotor mit eingebauter Treiberschaltung Servo motor with integrated driver circuit |
10/06/2004 | EP1465332A2 DC Motor control based on motor temperature |
10/06/2004 | EP1279219B1 Electrohydraulic converter, especially a motor pump module for an electronic driving dynamics control system |
10/05/2004 | US6801420 Selective potting for controlled failure and electronic devices employing the same |
10/05/2004 | US6801009 Current limitation process of brush and brushless DC motors during severe voltage changes |
10/05/2004 | US6800978 Contact washer system and method for controlling a windscreen wiper motor |
09/30/2004 | WO2004084397A2 Control and monitoring arrangements for an aperture closure member |
09/30/2004 | US20040190881 Electrical resonance circuits for high efficiency direct current motors |
09/30/2004 | US20040189229 H-bridge drive utilizing a pair of high and low side MOSFET's in a common insulation housing |
09/30/2004 | US20040189225 Driving control device for actuator |
09/30/2004 | DE10232717B4 Gebläseansteuerung für Kühlungsgebläse an Fahrzeugen Fan control for cooling fan on vehicles |
09/30/2004 | DE102004012886A1 Motorsteuervorrichtung The motor control apparatus |
09/30/2004 | DE102004010394A1 Strom-Controller für induktive Last Current controller for inductive load |
09/29/2004 | EP1461864A2 Selective potting for controlled failure and electronic devices employing the same |
09/29/2004 | CN2645345Y Portable digital power generating set |
09/29/2004 | CN1533023A Controller for inductive load current |
09/29/2004 | CN1532503A 冰箱 Refrigerator |
09/28/2004 | US6798162 12/42 volt DC brush motor control system |
09/28/2004 | US6798159 VSD control |
09/28/2004 | US6796475 Speed controller for flywheel operated hand tool |
09/23/2004 | WO2004072130A3 Method and device for controlling a direct current motor |
09/23/2004 | WO2004070882A3 Multiphase motor voltage control for phase windings of different wire gauges and winding turns |
09/23/2004 | WO2004068691A3 Method and control circuit for triggering an electric motor by means of a pulse width modulation signal |
09/23/2004 | US20040186641 Control method for electric power steering apparatus |
09/23/2004 | US20040184206 Motor control apparatus |
09/22/2004 | EP1459437A1 Method and circuit arrangement for protecting an electric motor from an overload |
09/22/2004 | EP1459434A1 Circuit arrangement for operating an electrical machine |
09/22/2004 | CN1531185A Motor driving circuit and method |
09/22/2004 | CN1531178A DC-to-AC converter |
09/22/2004 | CN1531172A Servo-type motor with built-in driving circuit |
09/16/2004 | US20040179830 PWM driving apparatus |
09/16/2004 | US20040179829 Amperage control for protection of battery over current in power tools |
09/16/2004 | US20040178782 Current controller for inductive load |
09/16/2004 | US20040178759 Motor driving device |
09/16/2004 | US20040178756 Prediction of available torque and power from battery-powered traction motor |
09/16/2004 | US20040178755 Motor drive circuit and motor drive method that can positively perform a brake operation |
09/15/2004 | EP1458085A2 PWM output driver for two loads |
09/15/2004 | EP1088387B1 Device with an electromotor |
09/15/2004 | EP0865681B1 Process for controlling a physical quantity, and arrangement for carrying out said process |
09/14/2004 | US6791911 Motion control system for a CD carousel loader using a braking circuit |
09/14/2004 | US6791290 Electrohydraulic converter |
09/14/2004 | CA2396624C Railway switch machine motor control apparatus |
09/09/2004 | US20040174133 Servo motor with a built-in drive circuit |
09/09/2004 | US20040174128 Circuit using current limiting to reduce power consumption of actuator with DC brush motor |
09/09/2004 | DE10307997A1 Antriebssteuereinrichtung für einen selbstgeführten Stromrichter Drive control device for a self-commutated converter |
09/02/2004 | US20040169968 Method and circuit arrangement for protecting an electric motor from an overload |
09/02/2004 | US20040169484 Robot apparatus, and load absorbing apparatus and method |
09/02/2004 | US20040169479 Multiple-speed electric machine and method of operating the same |
09/01/2004 | CN1526195A Microprocessor for controlling the speed and frequency of a motor shaft in a power tool |
09/01/2004 | CN1525637A 电机控制装置 The motor control device |
08/31/2004 | US6784687 Diagnostic device for electric mechanism drive circuits |
08/31/2004 | US6784629 Dual function solid state relay |
08/26/2004 | WO2004072130A2 Method and device for controlling a direct current motor |
08/26/2004 | US20040165869 Speed control circuit for a brushless dc motor |
08/26/2004 | US20040164773 Fan driving circuit using an adaptive PWM input signal |
08/26/2004 | US20040164699 Fan driving circuit using a PWM input signal |
08/26/2004 | US20040164694 Drive controller for a self-commutated converter |
08/26/2004 | US20040164690 Method and system for controlling a motor |
08/26/2004 | DE10306329A1 Direct current motor control method for an actuator positioning motor that positions an actuator along a predefined path, whereby final position is calculated from current cumulative rotation angle plus a calculated braking angle |
08/26/2004 | DE102004007425A1 Steuereinheit zur elektrisch unterstützten Lenkung Control unit for electric power steering |
08/25/2004 | EP1449000A2 Control device |
08/25/2004 | EP0500852B2 Positioning control |
08/25/2004 | CN1523748A Thermal fan driver module applied to power supply system or power supplier |
08/25/2004 | CN1523725A Over current protective amperage control for battery of electric tool |