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