Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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02/11/2009 | CN101366168A Method and apparatus for quiet variable motor speed control |
02/11/2009 | CN101362428A Control apparatus of electric motor |
02/05/2009 | WO2009016884A1 Running driver of working vehicle |
02/05/2009 | DE102007036558A1 Information transmission method for e.g. three phase motor, involves modulating information by pulsing load impedance, and separating load impedance from one of electrical connection lines by electronic switch |
02/05/2009 | DE10161032B4 Steuerungs/Regelungs-Vorrichtung zum Steuern/Regeln eines elektrischen Servo-Lenkmechanismus Control / control device for controlling / regulating an electric power steering mechanism |
02/04/2009 | EP2020722A2 Device and method for operating an electricity meter |
02/04/2009 | EP2020721A2 Switching assembly for monitoring a tachometer for a drive motor of a drum of a washing machine |
02/04/2009 | EP2019978A2 Automating tuning of a closed loop controller |
02/04/2009 | CN101359895A Motor drive system |
02/04/2009 | CN101359894A Maintenance method for motor drive system |
02/04/2009 | CN101359880A Power converter |
02/04/2009 | CN100459410C Control system, observer and control method of induction motor without speed sensor |
01/29/2009 | WO2009013669A2 Power supply unit for a home automation actuator and method of operation of said unit |
01/28/2009 | EP2018995A1 Electric car control apparatus |
01/28/2009 | CN100456591C Low current electric motor protector |
01/28/2009 | CN100456193C Motor control device |
01/22/2009 | DE10162196B4 Positions- und Abnormitätserfassungsvorrichtung Position and Abnormitätserfassungsvorrichtung |
01/21/2009 | EP2017955A2 Motor control apparatus |
01/21/2009 | EP2017951A2 Restart control of an A.C. motor drive |
01/21/2009 | CN101351955A Speed controller for portable electric cutting tool |
01/20/2009 | US7479757 System and method for a cooling system |
01/15/2009 | WO2009009232A2 System and method for determining stator winding resistance in an ac motor |
01/15/2009 | WO2009007681A2 Electric motor control |
01/15/2009 | WO2009007671A2 A synchronous electrical machine |
01/15/2009 | DE10066381B4 Verfahren zur Berechnung der Parameter eines Induktionsmotors A method for calculating the parameters of an induction motor |
01/15/2009 | CA2689531A1 System and method for determining stator winding resistance in an ac motor |
01/14/2009 | EP2015445A2 Motor controller and electric power steering apparatus |
01/08/2009 | DE102007030714A1 Verfahren für die Überwachung eines Kraftfahrzeugenergieversorgungssystems Method for monitoring a motor vehicle power supply system |
01/07/2009 | EP2012426A2 Inverter drive and heat pump water heater |
01/07/2009 | EP2011226A1 Motor control device, motored vehicle equipped therewith, and method of controlling a motor |
01/07/2009 | CN101341641A Motor control circuit with malfunction monitoring |
01/07/2009 | CN101340175A Fan motor speed control circuit, fan apparatus, and electronic apparatus |
01/02/2009 | DE102008026759A1 Ölpumpensysteme und Verfahren zum Verhindern einer Drehmomentüberlastung in Motoren von Ölpumpensystemen Oil pumping systems and methods for preventing a torque overload in engines oil pump systems |
12/31/2008 | WO2009001584A1 Controller of electric vehicle |
12/31/2008 | EP2008358A1 Control system for an electric motor |
12/24/2008 | EP2007006A2 Inverter device and air conditioner |
12/24/2008 | EP2006545A1 Method for recording the temperature of the carrier liquid of a rotary pump |
12/24/2008 | CN100446409C Actuator current control method |
12/18/2008 | DE102007027481A1 Electric motor i.e. brushless direct current motor, controlling failure determining method, involves detecting that failure exists during controlling of electric motor, if measured voltage differs from supplied reference voltage |
12/18/2008 | DE102007027187A1 Energieversorgungssystem für ein Kraftfahrzeug An energy supply system for a motor vehicle |
12/18/2008 | DE102007026344A1 Korrekturverfahren für eine mikroprozessor-gesteuerte digitale Regelung Correction method for a microprocessor based digital control |
12/17/2008 | EP2003770A2 Frequency inverter and method of operating an electric motor with such a frequency inverter |
12/17/2008 | CN101325396A Motor controller |
12/11/2008 | WO2008149638A1 Brushless motor |
12/11/2008 | US20080303468 Correction method for microprocessor-controlled digital regulation |
12/10/2008 | EP2001123A1 Method for operating a three-phase rotating electric machine and device for implementing the method |
12/10/2008 | CN101322309A Motor load monitoring unit |
12/10/2008 | CN100442652C Stepping motor control apparatus |
12/10/2008 | CN100442622C Over current protective amperage control for battery of electric tool |
12/10/2008 | CN100441867C Apparatus and method for controlling operation of compressor |
12/04/2008 | WO2008146555A1 Fan motor device |
12/04/2008 | US20080297085 Motor driver system and method for protecting motor driver |
11/27/2008 | DE202008010458U1 Vorrichtung zum Betreiben eines elektrischen Antriebs Device for operating an electric drive |
11/27/2008 | DE10340400B4 Verfahren und Vorrichtung zur Dämpfung von niederfrequenten Lastschwingungen bei einem geregelten Antrieb Method and apparatus for damping low-frequency vibrations with a load-controlled drive |
11/27/2008 | DE102007024634A1 Steuerung, Modul und Lüfteranordnung Control module and fan assembly |
11/26/2008 | EP1995871A2 Method for operating an electrical circuit |
11/26/2008 | EP1994631A2 Transverse flux machine, and rotary engine comprising such a transverse flux machine |
11/26/2008 | CN100438323C Resistor for controlling fan motor rotational speed in air conditioning device |
11/26/2008 | CN100438318C Methods and apparatus for fault-tolerant control of electric machines |
11/20/2008 | WO2008139800A1 Device for selecting motor controller, method for selecting motor controller, computer program implementing that method, and its storage method |
11/20/2008 | WO2008138864A1 Method and device for operating a control unit for controlling an electrical machine |
11/20/2008 | WO2008138663A1 Method and device for limiting motor current |
11/20/2008 | WO2008138454A2 Electric drive |
11/20/2008 | US20080284363 Hybrid electric cleaning device |
11/20/2008 | DE102008022497A1 Laststeuervorrichtung und zugehöriges Verfahren zur Verarbeitung eines Diagnosesignals Load control device and associated method for processing a diagnostic signal |
11/20/2008 | DE102008018843A1 Elektronisch kommutierter Asynchronmotor Electronically commutated asynchronous motor |
11/20/2008 | DE102007023082A1 Verfahren zur Prüfung eines Verriegelungszustands einer mechanischen Sperre eines Elektomotors Method for testing a locking state of a mechanical lock of a Elektomotors |
11/20/2008 | DE102007021632A1 Elektrischer Antrieb Electric drive |
11/20/2008 | CA2682980A1 Electric drive |
11/18/2008 | CA2339933C Arrangement with an electric motor |
11/13/2008 | WO2008135327A1 Error correction in an electrical machine of a hybrid drive |
11/13/2008 | DE19927851B4 Verfahren zum Überwachen eines Drehwinkelaufnehmers an einer elektrischen Maschine Method for monitoring a rotational angle sensor to an electrical machine |
11/13/2008 | DE102007022213A1 Verfahren und Vorrichtung zur Begrenzung des Motorstroms Method and device for limiting the motor current |
11/12/2008 | EP1990910A1 Motor drive device, hybrid vehicle using the same, and electric power conversion device stop/control method |
11/12/2008 | EP0948124B1 Motor controller |
11/06/2008 | DE102007017285A1 Method for monitoring three-phase machine, involves supplying input parameters of converter unit, where one of these input parameters is commutating angle of three-phase machine to be operated |
11/04/2008 | US7446989 Device for protection of the bearing of an electrical machine against damaging passage of current |
10/30/2008 | WO2008128893A2 Electric tool and device switch for an electric tool |
10/30/2008 | DE102008000704A1 Elektrowerkzeug und Geräteschalter für ein Elektrowerkzeug Power tool and appliance switch for a power tool |
10/29/2008 | EP1985523A2 Systems and methods for controlling torque of a motor |
10/22/2008 | CN101292418A Motor control device, method and program storage medium |
10/22/2008 | CN101291127A Inverter circuit and compressor |
10/21/2008 | US7439700 Control system |
10/16/2008 | DE112004000829B4 Fahrzeugantriebsmotor-Steuerungsvorrichtung Vehicle drive motor control device |
10/16/2008 | DE102007017708A1 Electric motor arrangement i.e. compact servo actuator, has oscillation detection unit detecting oscillations of motor unit and outputting signal, where detection unit is arranged in such manner that signal is outputted to control unit |
10/15/2008 | CN100426649C Inverter circuit and compressor |
10/09/2008 | WO2008119477A2 Motor arrangement |
10/09/2008 | US20080249691 Gear Drive Controller, Gear Drive Control Method, Turning Operation Controller, and Construction Machine |
10/09/2008 | DE102008000139A1 Motorantriebsschaltung und Ventilsteuerzeiten-Steuerungssystem Motor drive circuit and valve timing control system |
10/08/2008 | EP1271274B1 Servo controlling device and method |
10/02/2008 | WO2008117744A1 Poly-phase load drive |
10/02/2008 | WO2008117603A1 Motor controller and motor control method |
10/02/2008 | WO2008117515A1 Motor control device, its control method, and motor device |
10/02/2008 | US20080238200 Power Converter and Control Method For a Power Converter |
10/02/2008 | DE102007015102A1 Motoranordnung Engine location |
10/02/2008 | DE102007014346A1 Gerät mit elektromotorischem Antrieb und Verfahren zu seinem Betrieb Unit with electric motor drive and method for its operation |
10/02/2008 | DE102007014345A1 Elektromechanisches System und Verfahren zum Betreiben eines elektromechanischen Systems An electro-mechanical system and method for operating an electromechanical system |
10/01/2008 | EP1974459A2 Systems and methods of monitoring a motor load |
10/01/2008 | CN101277093A Motor drive integrated circuit |
10/01/2008 | CN101277092A Motor lock detection circuit |