H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors

Patents for H02P 7 - Arrangements for regulating or controlling the speed or torque of electric dc-motors (10,217)
12/2006
12/14/2006	DE19530474B4 Vorrichtung zum Erfassen der Position und der Last eines sich bewegenden Objekts A device for detecting the position and the load of a moving object
12/14/2006	DE102006023966A1 Torque control device for use in electrical tool, has processor that switches-off one switching circuit of device if actual torque value of motor of tool is determined to be greater than predetermined value
12/14/2006	DE102005027166A1 Electric motor e.g. direct current motor, controlling device for exhaust fan, has resonant circuit arranged parallel to controlled strand of electric motor, and control unit controlling switching unit with preset clock frequency
12/13/2006	CN2847688Y Double speed one-way controller for pull rod type electric suitcase
12/13/2006	CN1878632A Power tool and method for controlling a power tool
12/13/2006	CN1290260C PWM buffer circuit for regulating frequency and duty ratio of PWM signal
12/13/2006	CN1290242C Dual-loop current limitation controller of motor controller
12/12/2006	US7148636 Motor drive control apparatus
12/12/2006	US7147299 Control unit and method for controlling motor for use in printer, and storage medium storing control program
12/07/2006	US20060275970 H-bridge drive utilizing a pair of high and low side MOSFETs in a common insulation housing
12/07/2006	US20060273748 Electrical power converter and control method
12/07/2006	US20060273747 Controlling for motor driving vehicle
12/06/2006	EP1729406A1 Control circuit for a DC motor in a power tool
12/06/2006	CN2845306Y Intellectual motor protector
12/06/2006	CN2845305Y Electromagnetic coupling stepless speed gear
12/06/2006	CN1875540A Motor drive inverter control apparatus
12/06/2006	CN1875539A DC motor drive device
12/06/2006	CN1288833C Control method of PWM for fan
12/06/2006	CN1288832C Control method of multiple PWM for fan
12/05/2006	CA2417384C Wind power plant
11/2006
11/30/2006	WO2006127112A1 Brushed motor position control based upon back current detection
11/30/2006	US20060267542 Pulse width modulation (PWM) rectifier with variable switching frequency
11/30/2006	US20060267530 Power collection switching for automated driverless vehicles
11/30/2006	US20060267529 Position feedback device with prediction
11/30/2006	US20060267528 Motor drive with velocity noise filter
11/30/2006	US20060267527 System, apparatus and method for driving permanent magnet electrical machine
11/30/2006	US20060267417 Power engine
11/30/2006	DE112004002656T5 Barrierenbewegungsbetätiger mit Hemmniserfassung Barrier movement with obstacle detection
11/30/2006	DE102006022615A1 Vorrichtung und Verfahren zum Betreiben eines elektrischen Stellglieds Apparatus and method for operating an electric actuator
11/30/2006	CA2609547A1 Brushed motor position control based upon back current detection
11/29/2006	EP1727270A1 Actuator with electrical motor and a control device to control the motor speed
11/29/2006	EP1726464A2 Self-learning control system and method for controlling fan speed
11/29/2006	CN2842861Y Hollow rotor permanent-magnet DC brushless motor
11/29/2006	CN2842513Y Power-supply device fan
11/29/2006	CN2842079Y Mechanical motor energy-saving device
11/28/2006	US7141948 Electromotive power steering system
11/28/2006	US7141945 Method and apparatus for controlling motor drive
11/28/2006	US7141944 Device and method for controlling an electrical motor mounted on the crossarm of a bridge circuit
11/23/2006	WO2006124010A1 Current regulation for a field weakening motor control system and method
11/23/2006	US20060263072 Fan control device and method
11/23/2006	US20060261768 Wiper controller and method for controlling wiper
11/23/2006	US20060261767 Drive method for brushless motor and drive control apparatus therefor
11/23/2006	US20060261766 Drive method for brushless motor and drive control apparatus therefor
11/23/2006	US20060261765 Motion control using electromagnetic forces
11/23/2006	US20060261763 Brushed motor position control based upon back current detection
11/23/2006	US20060261762 Turn-on interlock for propelling a vehicle, in particular a magnetic levitation train, along a track and a drive with a corresponding turn-on interlock
11/23/2006	DE202005011333U1 Verstellsystem eines Kraftfahrzeugs Adjustment system for a motor vehicle
11/22/2006	CN2840516Y Frequency conversion driving domestic electric washing machine with embedded heat protection
11/22/2006	CN2840513Y Vehicular power-saving DC booster motor
11/22/2006	CN2840495Y Driving motor structural improvement for electric vehicle
11/22/2006	CN1866147A Fan control device and method
11/22/2006	CN1286263C Driving control method for linear vibratory motor and driving control device
11/21/2006	US7138785 Power tool with means for obtaining product use information
11/21/2006	US7138778 Current sensor using mirror MOSFET and PWM inverter incorporating the same
11/21/2006	US7138777 Sensorless motor drive apparatus and method for protecting and controlling the same
11/21/2006	US7138775 Control for battery pack
11/21/2006	US7138321 Boost capacitor layout technique for an H-bridge integrated circuit motor controller to ensure matching characteristics with that of the low-side switching devices of the bridge
11/16/2006	US20060257125 Motor drive circuit
11/16/2006	US20060255754 Power tool and method for controlling a power tool
11/16/2006	DE102005022396A1 Control method for electromechanical actuator/servo e.g., for motor vehicle torque, requires use of average value by using pulse form
11/16/2006	DE102005020675A1 Electric motor has speed regulation provided by having balls that move radially outward due to centrifugal force
11/15/2006	EP1722468A2 Motor drive circuit
11/15/2006	EP1721384A1 System and method for increasing output horsepower and efficiency in a motor
11/15/2006	EP1721383A1 Method and apparatus for controlling an electric motor
11/15/2006	EP1721079A1 System and method for variable speed operation of a screw compressor
11/15/2006	CN1864162A Systems and methods for operating an electromagnetic actuator
11/14/2006	US7135827 Sawyer motor forcer with integrated drive electronics
11/09/2006	US20060250107 Variable speed drive for a chiller system
11/09/2006	US20060250100 Drive arrangement for a wiper device for windows of motor vehicles
11/09/2006	DE102005020377A1 Verfahren zum Betreiben einer Elektrowerkzeugmaschine Method for operating an electric machine tool
11/08/2006	CN1858985A Method for operating a power tool
11/07/2006	US7133603 Motor driving apparatus, digital camera, and motor controlling method
11/07/2006	US7133601 Amperage control for protection of battery over current in power tools
11/07/2006	US7132814 Method of calculating correction value and method of manufacturing printer
11/07/2006	US7132812 Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
11/07/2006	US7132811 Vehicle speed dependent compensator for electric steering systems
11/07/2006	US7132808 Solid state series motor control
11/07/2006	CA2463832C Full wave dc/dc converter
11/02/2006	US20060245743 Circuit to improve motor phase current reconstruction via DC link
11/02/2006	US20060244408 Electrical Safety Lockout Mechanism for Power Tools and Other Hazardous Machinery
11/02/2006	US20060244405 Protection device for electric motor driving devices and corresponding driving device
11/02/2006	US20060244404 Systems and methods for reducing torque disturbance in devices having an endless belt
11/02/2006	US20060244402 Method for driving a machine and drive for said machine
11/02/2006	US20060244401 Brushless motor system
11/02/2006	EP1717932A1 Rotating electric machine
11/02/2006	EP1716066A2 Improved energy storage method for load hoisting machinery
11/01/2006	CN2833669Y Rotation control apparatus for cold rolling wheel disk crimper
10/2006
10/31/2006	US7129661 Motor driver, motor driven by the motor driver, and apparatus employing the motor
10/31/2006	US7129660 Motor-temperature estimation apparatus and motor control apparatus
10/31/2006	US7129659 Stabilizer apparatus for vehicle
10/31/2006	US7129657 Single track brush-based position encoder for rotating shaft
10/31/2006	US7128185 Motor-driven power steering control apparatus
10/31/2006	US7128184 Motor-driven power steering control apparatus
10/26/2006	US20060238152 Method for detecting unbalanced conditions of a rotating load driven by a synchronous motor and for controlling said motor
10/26/2006	US20060238151 Image forming apparatus using noise-resistant motor control device
10/26/2006	US20060238150 Method for controlling an electronically-commutated dc motor
10/26/2006	US20060238149 Drive system for a vehicle moving along a trackway, particularly a magnetic levitation train
10/26/2006	DE202006013145U1 Electric motor drive, especially for moving parts of furniture items, has switch in circuit for unlocking drive motor acting as brake with control for manual adjustment of drive
10/26/2006	DE102005018526A1 Verfahren zur sensorlosen Positionserfassung eines Rotors eines Elektromotors Method for sensorless position detection of a rotor of an electric motor
10/25/2006	EP1715575A1 Inductive load driving device

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