| Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872) |
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| 04/08/2009 | CN201219248Y Control box for pressure-reduction start of electric motor |
| 04/08/2009 | CN201218972Y Alarm line control device and antitheft alarm system |
| 04/08/2009 | CN101404472A Low/medium voltage and high voltage motor soft starter composed by three-phase commutation bridge |
| 04/08/2009 | CN101403897A Semi-automatic layout machine |
| 04/08/2009 | CN100477478C Device for preheating frequency-conversion compressor and method thereof |
| 04/07/2009 | US7515029 Starting device for single-phase induction motor |
| 04/07/2009 | US7514898 Low loss propulsion system |
| 04/07/2009 | US7514897 Control of a triac for the starting of a motor |
| 04/07/2009 | US7514896 Method of estimating magnetic pole position in synchronous motor |
| 04/07/2009 | US7514892 Method and a control system for starting a motor for driving a compressor |
| 04/07/2009 | US7514885 Methods and systems for medical imaging |
| 04/07/2009 | CA2447880C Stator with multiple winding configurations |
| 04/02/2009 | DE19831458B4 Elektrischer Schalter, insbesondere für ein Akku-Elektrowerkzeug Electric switch, in particular for a cordless power tool |
| 04/01/2009 | CN201215015Y Starting stable development machine |
| 04/01/2009 | CN101400893A Control apparatus for linear compressor |
| 04/01/2009 | CN101397029A Motor controller and electric power steering apparatus |
| 03/31/2009 | US7511474 DC motor phase detection method for determining a distance traveled by a load |
| 03/31/2009 | US7511446 System and method for starting a wound rotor motor |
| 03/31/2009 | US7511442 Linear drive device |
| 03/26/2009 | US20090079376 Delay-based access control apparatus and method |
| 03/26/2009 | US20090079262 Start-up control device for electric vehicle |
| 03/25/2009 | CN201213245Y High-low voltage cage type heat variant fluid blocking soft starter |
| 03/25/2009 | CN101394143A Soft starting device for large power high voltage motor |
| 03/25/2009 | CN101394142A Intelligent Chinese character displaying solid soft starter |
| 03/25/2009 | CN100473077C Open and close apparatus of slide type portable terminal |
| 03/25/2009 | CN100472936C Driving apparatus for a motor |
| 03/24/2009 | US7508158 Excitation system for synchronous machine |
| 03/24/2009 | US7508157 Line synchronous air core motor |
| 03/24/2009 | US7508150 Electric motor controller |
| 03/24/2009 | US7508145 Multiple simultaneous aisle access control for a mobile storage system |
| 03/24/2009 | CA2499958C Reversible housing base for motor controller |
| 03/19/2009 | US20090072775 Method and apparatus for quiet fan speed control |
| 03/18/2009 | EP2035293A2 Hands free waste flap apparatus and method |
| 03/18/2009 | CN201210665Y Energy-saving electrical appliance set for field oil pumping machine |
| 03/18/2009 | CN201210662Y Electric remote controlled lift fishing |
| 03/18/2009 | CN201210661Y PTC starter for compressor |
| 03/17/2009 | US7504798 Wiper controller and method for controlling wiper |
| 03/17/2009 | US7504792 Method of configuring a control unit of an actuator |
| 03/17/2009 | US7504786 Motor controller |
| 03/12/2009 | WO2009000996A3 Rotary electric machine and method for controlling same |
| 03/12/2009 | US20090067110 Switching Device and a System Comprising the Same |
| 03/12/2009 | US20090066280 Motor drive circuit and cooling system using same |
| 03/11/2009 | CN201207631Y Intelligence controller for AC asynchronous motor |
| 03/11/2009 | CN201207597Y Automatic deceleration starting motor |
| 03/11/2009 | CN101383590A Dragging device with high starting performance induction motor and frequency transformer cooperatively running |
| 03/11/2009 | CN100468945C Power tool trigger assembly |
| 03/10/2009 | US7501785 Starting system for a single-phase induction motor |
| 03/10/2009 | US7501777 Printer and method of driving cooling fan of printer |
| 03/10/2009 | US7501775 Switching device system, components therefore and methods relating thereto |
| 03/10/2009 | US7501730 Brushless synchronous motor |
| 03/05/2009 | WO2009026688A1 Remote optical control of electrical circuits |
| 03/05/2009 | US20090058337 Control device and control method of boost converter |
| 03/05/2009 | US20090056385 Motor controller and washing machine |
| 03/04/2009 | CN201204566Y Ultra-jump-start control drive power supply for numerical control air-jet loom |
| 03/04/2009 | CN100466456C Method for driving the load with periodical change requirement and a driving system |
| 03/04/2009 | CN100466127C Switch assembly |
| 03/03/2009 | US7498775 Electric machine |
| 03/03/2009 | US7498763 Apparatus and method for reducing the current drawn during starting of a single-phase AC asynchronous motor |
| 03/03/2009 | US7498762 Motor |
| 03/03/2009 | US7498761 Motor control method and motor control apparatus |
| 02/27/2009 | CA2598972A1 Starter/generator with permanent magnet generator position indicator |
| 02/26/2009 | US20090051306 Electric power tool, control unit and recording medium |
| 02/25/2009 | CN201199678Y Servo power amplifier |
| 02/25/2009 | CN201199677Y Power supply control apparatus for motor |
| 02/24/2009 | US7495410 Systems and methods for improved motor drive power factor control |
| 02/24/2009 | US7495400 Apparatus and method for controlling temperature |
| 02/19/2009 | WO2009023206A1 Method, controller, and power converter for controlling a single-switch based switched reluctance machine |
| 02/19/2009 | WO2009023205A1 Motor power factor correction apparatus and method |
| 02/19/2009 | WO2009023106A1 Igbt/fet-based energy savings device, system and method |
| 02/19/2009 | WO2009021303A2 A method of actuating a single-phase motor, a system for actuating a single-phase motor and a single-phase motor |
| 02/19/2009 | WO2009021302A2 System and method for energizing an electric motor auxiliary winding and electric motor |
| 02/19/2009 | US20090044794 Inducer speed control method for combustion furnace |
| 02/19/2009 | CA2695192A1 Igbt/fet-based energy savings device, system and method |
| 02/18/2009 | EP1349711B1 Speed controller for flywheel operated hand tool |
| 02/18/2009 | CN201197128Y Industrial drawer type soft starter |
| 02/18/2009 | CN201197127Y Soft-start phase-changing reactance resistor |
| 02/18/2009 | CN201196125Y Vehicle starter with low-speed tooth-entering mechanism |
| 02/18/2009 | CN101369791A Implementing DC motor positive and negative rotation circuit by PLC-controlled relay |
| 02/18/2009 | CN101369790A Energy-saving type integral single phase AC electric motor starting and protection device |
| 02/18/2009 | CN101369764A Novel high-efficiency asynchronous motor |
| 02/18/2009 | CN101369763A High-efficiency motor with large starting moment |
| 02/18/2009 | CN101369140A Sightseeing cable car escape door ladder double-control apparatus with wireless timing function |
| 02/18/2009 | CN101369139A Sightseeing cable car escape door ladder double-control apparatus with wireless timing function |
| 02/17/2009 | US7492119 Circuit arrangement for generating motor characteristic curves |
| 02/17/2009 | US7492112 Apparatuses and methods for controlling rotational direction of fan |
| 02/12/2009 | DE10134104B4 Stromversorgungsschaltung für Anlasser Power supply circuit for the starter |
| 02/11/2009 | CN201194381Y Exciting electric power apparatus for synchronous motor |
| 02/11/2009 | CN201194380Y Armored flame-proof type switch transformer type flexible starting equipment |
| 02/11/2009 | CN201194379Y Armored flame-proof type flexible starting equipment |
| 02/11/2009 | CN101364778A Non-contact control circuit for bidirectional water spraying pump |
| 02/11/2009 | CN101364777A Motor starting circuit and method thereof |
| 02/11/2009 | CN100461611C Method and system for starting a sensorless motor |
| 02/11/2009 | CN100461610C Starter for a linear start electric motor |
| 02/10/2009 | US7489095 Adjustment of anti-pinch parameters according to voltage |
| 02/10/2009 | US7489093 Method and apparatus for producing tractive effort |
| 02/10/2009 | US7489048 Energy storage system for electric or hybrid vehicle |
| 02/10/2009 | US7487844 Drill with solid state speed control |
| 02/05/2009 | WO2009017704A1 Dc brushed motor drive with circuit to reduce di/dt and emi |
| 02/05/2009 | US20090033267 Wiper Apparatus |
| 02/04/2009 | EP2020745A2 Engine start system with a regulated permanent magnet machine |