Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905) |
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05/01/2007 | US7211977 Pulse width modulation fan control |
05/01/2007 | US7211976 Control and motor arrangement for use in model train |
05/01/2007 | US7211975 Motorized barrier operator system adaptable to different safety configurations and methods for programming the same |
05/01/2007 | US7211974 Motor and drive control system thereof |
05/01/2007 | US7211972 Power tool with remote stop |
04/26/2007 | WO2006106530A3 Switched reluctance machine and method of operation thereof |
04/26/2007 | US20070090783 Method for braking a synchronous machine |
04/26/2007 | US20070090781 Barrier Movement Operator Having Obstruction Detection |
04/26/2007 | DE102005047787A1 Control circuit and device for a synchronous motor, has capacitor to phase shift second AC voltage in operation and limit DC voltage in stopped condition |
04/25/2007 | EP1777141A1 System and method for determining operational states of first and second electrical contacts in a motor |
04/25/2007 | EP1776615A2 Improved circuit for energy conservation |
04/25/2007 | CN2893139Y Pumping unit crank pin breaking proof automatic shut-down device |
04/24/2007 | US7208907 System and method of restarting a switched reluctance motor after a rapid cycling of power |
04/19/2007 | WO2007042732A1 Electromechanical driving system, in particular for progressive cavity pump for oil well |
04/19/2007 | US20070085503 Circuit for driving an appliance for treating laundry |
04/19/2007 | US20070085502 Braking system and method |
04/19/2007 | CA2626066A1 Electromechanical driving system, in particular for progressive cavity pump for oil well |
04/18/2007 | EP1775829A2 Servo motor stop controlling method and servo motor controller |
04/18/2007 | EP1775187A2 Motor Break Releasing Device |
04/18/2007 | CN2891476Y Three-phase electromagnetic braking motor |
04/18/2007 | CN1311620C Method and device for controlling inductive motor regenerated energy flow and DC bus voltage in frequency modulation driving system |
04/17/2007 | US7205735 Barrier movement operator having obstruction detection |
04/17/2007 | US7205734 Control device for vehicular opening/closing body |
04/12/2007 | WO2007039377A1 Control system and method for controlling a permanently excited electric motor |
04/12/2007 | WO2006088821A3 Safety interlock and protection circuit for permanent magnet motor drive |
04/11/2007 | EP1772953A2 Method for maintaining the DC voltage at the input of a DC-AC voltage converter, storage means for this method and electric vehicle |
04/11/2007 | EP1772547A2 Method of controlling motor-driven washing machine and control system for the same |
04/11/2007 | EP1772546A2 Method of controlling motor-driven washing machine and control system for the same |
04/11/2007 | EP1772545A2 Method of controlling motor-driven washing machine and control system for the same |
04/11/2007 | CN1945956A Low voltage AC soft starting method |
04/11/2007 | CN1310417C Controller for motor driving unit |
04/05/2007 | WO2006026682A3 Apparatus, software and method for controlling the operation of a window covering |
04/05/2007 | US20070075675 Control circuit of rotational speed of a fan |
04/05/2007 | US20070075664 Device and method for controlling motor |
04/05/2007 | DE19539577B4 Verfahren zum Überwachen des Bewegungswegs eines Teils A method of monitoring the path of movement of a part |
04/04/2007 | CN1941603A Generator control device and refrigeration cycle device |
04/04/2007 | CN1939766A Power control apparatus, electrically powered vehicle and power control method of power system |
04/03/2007 | CA2391616C Power source device for a.c. elevator |
03/29/2007 | US20070069673 Power control apparatus, electrically powered vehicle and power control method of power system |
03/28/2007 | EP1768251A1 Protection circuit for permanent magnet synchronous motor in field weakening operation |
03/28/2007 | CN1937395A Coutrol apparatus of synchronous motor and control method therefor |
03/27/2007 | US7196485 Universal low-power ceiling fan controller |
03/27/2007 | CA2455133C Automatic garage door closing system |
03/22/2007 | US20070063668 A ride-through method and system for hvac&r chillers |
03/21/2007 | EP1764906A1 Controller apparatus for synchronous motor and controlling method thereof |
03/21/2007 | CN1934777A Driving device and braker |
03/21/2007 | CN1305701C Brake device for wheel motor |
03/20/2007 | US7193380 Method for rotating a printer paper-feed roller |
03/15/2007 | WO2005076989A3 Improved energy storage method for load hoisting machinery |
03/15/2007 | US20070057646 Automatic anti-trap device |
03/15/2007 | DE102005040549A1 Pulswiderstand Pulsed resistor |
03/14/2007 | EP1761984A2 Engine driven power inverter system with cogeneration |
03/14/2007 | CN1930771A Motor and drive control system thereof |
03/14/2007 | CN1930071A Elevator control device |
03/14/2007 | CN1929287A Device capable of returning electrical energy to electrified wire netting |
03/14/2007 | CN1929238A Control device for speed transmission self-charging of electric vehicle |
03/14/2007 | CN1305213C Power supply device for motor |
03/14/2007 | CN1304172C Hand-held machine tool |
03/13/2007 | US7190138 Failure monitor for motor drive control system |
03/13/2007 | US7190133 Energy storage system and method for hybrid propulsion |
03/13/2007 | US7190132 Method and apparatus for motor control using relays |
03/13/2007 | US7190130 Electric motor pole position sensing method, pole position sensing apparatus, and electric motor control apparatus using the same |
03/07/2007 | EP1760874A2 Control device for an electronic apparatus for home or garden |
03/07/2007 | CN2877137Y Three-phase electric operating mechanism |
03/07/2007 | CN2877136Y DC electric machine electromagnetic braking controller |
03/07/2007 | CN1924743A On-site manual and long-distance remote control method for long-distance remote control system |
03/06/2007 | US7187144 Power converter and vehicle equipped with power converter |
03/01/2007 | US20070046236 Actuator with feedback for end stop positioning |
03/01/2007 | US20070046233 Arc Suppression Circuit |
03/01/2007 | US20070046232 System and methods for automatically moving access barriers initiated by mobile transmitter devices |
03/01/2007 | US20070046231 System and methods for automatically moving access barriers initiated by mobile transmitter devices |
03/01/2007 | CA2620098A1 Pulse resistor |
02/28/2007 | CN2874572Y Oil pumping machine efficiency device |
02/28/2007 | CN1922783A Induction motor stopping method and control apparatus |
02/28/2007 | CN1302612C Control equipment of brushless motor and washing machine with the same equipment |
02/27/2007 | US7183731 Pulse generating method and pulse generator, and motor control system using the same |
02/27/2007 | US7183729 Motor vehicle comprising means for varying accelerator pedal extreme actuated position |
02/27/2007 | US7183668 Generator with current and voltage abnormality detection |
02/22/2007 | WO2005089257A3 Engine driven power inverter system with cogeneration |
02/22/2007 | US20070040522 Mechanical braking system for use on a vehicle having an electric propulsion system and automatic retard speed regulation |
02/21/2007 | CN1917357A Intelligent permanent magnet type breath generator complemental between wind and light |
02/21/2007 | CN1301585C Motor driving unit and electric sealed vehicle-door mirror |
02/15/2007 | WO2007017043A1 Drive train for a motor vehicle and method for operating a drive train |
02/15/2007 | US20070035262 Mesh connected brake array for electrical rotating machines |
02/13/2007 | US7176653 Electric motor drive |
02/13/2007 | US7176649 DC motor control apparatus and recording apparatus |
02/13/2007 | US7176647 Light-emitting device having a phosphor particle layer with specific thickness |
02/13/2007 | US7176645 Control apparatus for electric railcar |
02/13/2007 | CA2461173C Movable barrier operator |
02/13/2007 | CA2275756C Dosing pump and method for enhancing dosing precision |
02/08/2007 | US20070029957 Device and method for controlling an electric motor, especially in motor vehicles |
02/08/2007 | US20070029953 Control apparatus for electric motor of inverter system and control apparatus for electro mechanical brake |
02/07/2007 | CN2866560Y Dewatering braking device |
02/07/2007 | CN1908434A Direct ground driving gear of screw pump |
02/07/2007 | CN1908287A Method of controlling motor-driven washing machine and control system for the same |
02/07/2007 | CN1908286A Method of controlling motor-driven washing machine and control system for the same |
02/07/2007 | CN1908285A Method of controlling motor-driven washing machine and control system for the same |
02/06/2007 | US7173389 Motorized barrier operator adapted to vary operator force for safety purposes and methods for accomplishing the same |
02/06/2007 | CA2461178C Movable barrier operator |
02/01/2007 | WO2007012358A1 Electric motor |