Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872) |
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11/25/2009 | CN101587797A Centrifugal switch suitable for motor driving |
11/24/2009 | US7622883 Controller for motor |
11/24/2009 | US7622882 Position detection device for permanent magnetic machines |
11/24/2009 | US7622878 Wiper unit controller and method for controlling wiper unit |
11/24/2009 | US7622876 Overload prevention device for permanent magnet DC motors |
11/24/2009 | US7622872 Actuator driving apparatus |
11/24/2009 | US7622829 Rotating electric motor for operating an electric component |
11/24/2009 | US7621460 Data storage system having cooling fan speed protection |
11/19/2009 | US20090284201 Motor with magnetic sensors |
11/18/2009 | EP2118995A1 Method and system to start multiple ac motors supplied by a power converter via a common ac bus |
11/18/2009 | CN201349191Y Excitation cubicle automatic de-excitation device |
11/18/2009 | CN201349190Y Silicon controlled thyristor trigger device for motor soft starter |
11/18/2009 | CN201349189Y Anti-electric dazzling actuating apparatus for three-phase asynchronous motor |
11/18/2009 | CN201349183Y Voltage feedback device of motor soft starter |
11/18/2009 | CN100561852C Fan control device |
11/17/2009 | US7619381 Open/close member control apparatus |
11/17/2009 | US7619380 Method and apparatus for controlling rotational speed of fan |
11/12/2009 | WO2008155156A3 Electric tool having cold start function |
11/11/2009 | EP2117108A2 Method for starting a system for generating electrical energy |
11/11/2009 | EP2115298A1 Multiple generator wind turbine and method of operation |
11/11/2009 | CN201345630Y Large-size electric engineering machinery starter |
11/11/2009 | CN201345629Y Soft starter incoming-line busbar |
11/11/2009 | CN201345306Y Auto-charge and auto-recovery circuit for 'two for line incoming and one for connecting' breakers |
11/11/2009 | CN101575523A Electric control withdrawing device for coke pushing rod and coal carrying plate |
11/11/2009 | CN100559698C Motor and motor drive system |
11/10/2009 | US7616443 Cooling device for electrical power units of electrically operated vehicles |
11/10/2009 | US7615952 Electric motor driving device, and air conditioner using the same |
11/05/2009 | WO2009077668A3 System for powering an electric machine |
11/05/2009 | WO2009021302A4 System and method for energizing an electric motor auxiliary winding and electric motor |
11/04/2009 | CN201341106Y Soymilk maker control circuit with 'soft start' function |
11/04/2009 | CN201341041Y Motor controller and motor |
11/04/2009 | CN201340771Y Ptc启动器 Ptc Starter |
11/04/2009 | CN201340532Y Control circuit of automobile soymilk maker |
11/03/2009 | US7613525 Disk device for serial communication and method of controlling the same |
11/03/2009 | US7612522 Motor drive control with a single current sensor using space vector technique |
11/03/2009 | US7612519 Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit, a starting capacitor and a resistive element |
11/03/2009 | US7611061 Electro-optical reader with stop motion sensor |
10/29/2009 | US20090267553 Unknown |
10/29/2009 | US20090267552 Soft Starting Method and System Thereof in the Way of Wave-Skipping with Stepped Frequency and Stepless Voltage Regulating for a Motor |
10/28/2009 | CN101567652A Permanent magnet motor start-up |
10/28/2009 | CN101567651A Electrical safety circuit in electric automobile |
10/28/2009 | CN100555146C Large power long range permanent magnetism synchronous linear motor servo drive apparatus |
10/27/2009 | US7609024 Auxiliary bus method |
10/27/2009 | US7609019 Photovoltaic system and method for operating a photovoltaic system |
10/27/2009 | US7609016 Systems and methods for driving a motor |
10/22/2009 | WO2009127270A1 Fixed rotation speed drive |
10/22/2009 | US20090263260 Inverter device |
10/22/2009 | US20090261775 Permanent magnet motor start-up |
10/22/2009 | DE102008018923A1 Festdrehzahl-Antrieb Constant speed drive |
10/21/2009 | CN201332361Y Transformer automatic pressure regulating apparatus |
10/21/2009 | CN101562416A Zero-power initiating relay |
10/20/2009 | US7606011 Motor controller with automated input power determination |
10/20/2009 | US7605553 System for safely opening/closing power window of vehicle |
10/15/2009 | WO2009126288A2 Weighted field oriented motor control |
10/15/2009 | DE102007030344B4 Einrichtung für die Kontrolle eines sanften Anlaufs oder Auslaufs von Drehstrommotoren, - sog. Soft-Starter Means for controlling a gentle start-up or ramp-down phase motors, - so-called soft-starter. |
10/14/2009 | EP2108074A2 Motor-driven adjusting device and method for controllling the same |
10/14/2009 | CN201328095Y Mineral flame-proof type variable-frequency high-voltage soft start device |
10/14/2009 | CN201328094Y Motor control circuit |
10/14/2009 | CN101557186A Maintenance-free motor soft starter with self-checking function |
10/14/2009 | CN101557185A Positive-reverse rotation protector of direct current motor |
10/14/2009 | CN100550594C Motor speed estimation system and method using hybrid model reference adaptive system |
10/13/2009 | US7602137 Electronically commutated motor and control system |
10/13/2009 | US7602130 Apparatus for self-generating a driving force to rotate a shaft without external power after initial activation |
10/13/2009 | US7602128 Device and method to configure same |
10/13/2009 | CA2490089C Motor with additional windings |
10/08/2009 | WO2009121666A2 Compact switchgear for an electrical consumer |
10/08/2009 | US20090251083 Control Apparatus for AC Rotary Machine |
10/08/2009 | DE102009015460A1 Elektronisch kommutierter Elektromotor Electronically commutated electric motor |
10/08/2009 | DE102009003709A1 Systeme und Verfahren zum Starten von Generatoren mit variabler Drehzahl Systems and methods for starting of generators with variable-speed |
10/08/2009 | DE102008018257A1 Electronic switchgear e.g. compact starter for operation of engine, has break accelerator connected with micro controller for degradation of stored magnetic energy of electronically controlled magnetic drive |
10/08/2009 | DE102007058209B4 Verfahren zum Aufschalten eines Umrichters auf eine geberlos betriebene Asynchronmaschine Method for Intrusion of an inverter to run a sensorless induction machine |
10/07/2009 | EP2107677A2 Electronically commutated electric motor |
10/07/2009 | CN201323545Y Starting device for single-phase asynchronous motor |
10/07/2009 | CN201323544Y Circuit for star-triangle starting motor |
10/07/2009 | CN201323543Y Motor variable frequency starting counter-revolution eliminator |
10/07/2009 | CN201323542Y Large-scale motor reduced voltage starting capacitor compensation device |
10/07/2009 | CN201323541Y Control circuit for positive and negative switching of small-power alternating-current motor |
10/07/2009 | CN101552583A Positive control circuit and reversal control circuit of changeable conduction-type single power direct-current motor |
10/07/2009 | CN101552582A Control circuit for motor |
10/07/2009 | CN100547902C An electromotor precursor circuit |
10/07/2009 | CN100547901C Soft starter using self-testing load middle jump starting mode |
10/06/2009 | US7598688 Tilting device |
10/01/2009 | WO2009118135A1 Method for controlling of a multiphase electric motor operating in star-connected mode verfahren zum ansteuern eines mehrphasigen in sternschaltung betriebenen elektromotors |
10/01/2009 | US20090243297 Speed reducer for use in yaw drive apparatus for wind power generation apparatus, and yaw drive method and apparatus for wind power generation apparatus using the speed reducer |
09/30/2009 | CN201319577Y Brushless automatic control motor soft starter |
09/30/2009 | CN201319576Y Special frequency-conversion feedback energy-saving device for oil pumping unit in oil field |
09/30/2009 | CN201319575Y Control circuit of liquid-state soft start device for capacity-increasing high-voltage motor |
09/30/2009 | CN201319574Y DC motor power supply |
09/30/2009 | CN101548462A Single-phase AC synchronous motor |
09/30/2009 | CN101546975A No-spark electronic fuel pump for resisting electromagnetic interference and adopted circuit thereof |
09/29/2009 | US7596304 Starting device and method for eliminating a peak current |
09/23/2009 | EP2104221A1 Method for controlling a multi-phase electromotor operated in a star circuit |
09/23/2009 | CN201315558Y Three phase machine soft start control device |
09/23/2009 | CN101540582A Motor economic operation controller |
09/23/2009 | CN101540575A Flexible starting motor |
09/22/2009 | US7592771 Method for operating a two-phase rotary current controller |
09/22/2009 | US7592763 Motor relay operation |
09/22/2009 | US7592762 System and method for establishing a reference angle for controlling a vehicle rotational closure system |
09/17/2009 | WO2009114198A1 Motor start circuit with capacitive discharge protection |
09/17/2009 | WO2009061220A9 Slow speed drive method for an electronically commutated motor, controller implementing same, washing machine incorporating same |