Patents for H02P 25 - Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details (7,591) |
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11/28/2007 | CN100352147C Reacting force treating system of operation table device |
11/28/2007 | CN100352146C Opening/closing reluctance motor and initial driving method |
11/28/2007 | CN100351519C Linear compressor and device for controlling same |
11/22/2007 | WO2007089529A3 Permanent magnet disc motor with dual stators and its control |
11/22/2007 | US20070267926 Mechatronic integration of motor drive and E-machine, especially smart-E-motor |
11/22/2007 | DE102006021498A1 Electrical alternating current machine e.g. induction machine, for use in e.g. collector design, has winding arrangement with winding segments that are switched such that some windings are supplied with current of different amperages |
11/21/2007 | EP1597818B1 Method and apparatus for adjustment of the rotor angle of an elevator motor |
11/20/2007 | US7298106 Motor driving device and motor driving method |
11/17/2007 | CA2589400A1 Medical instrument having a catheter and having a catheter accessory device and method for using |
11/15/2007 | WO2006111252A8 Heat treatment of metal work pieces |
11/14/2007 | EP1522141B1 Motor control system and method with adaptive current profile |
11/14/2007 | CN200976564Y PWM motor driving circuit |
11/14/2007 | CN200976562Y Electromagnetic speed governing brake motor |
11/08/2007 | WO2007126024A1 Servo motor control device and method |
11/07/2007 | EP1852965A1 Apparatus and method of controlling synchronous reluctance motor |
11/07/2007 | CN200973067Y Single-phase electric saving for sewing machine |
11/07/2007 | CN101068103A Diesel engine linear electric motor speed regulating actuator |
11/07/2007 | CN100347944C Induction motor controller |
11/07/2007 | CN100347943C Induction motor controller |
11/06/2007 | US7292012 Control method of generator |
11/01/2007 | WO2007123323A1 Driving control apparatus and method for linear compressor |
11/01/2007 | US20070252551 Control of Electrical Machines |
11/01/2007 | US20070252543 Electric Drive for a Vehicle |
10/31/2007 | CN200969551Y Single-phase tap speed governing motor |
10/30/2007 | US7288915 Rotor position detection of an electrical machine |
10/30/2007 | US7288911 System and method for commutating a motor |
10/25/2007 | US20070247014 Communicator Motor Having Number of Field Winding Groups |
10/25/2007 | CA2629725A1 Application of a switched reluctance motion control system in a chiller system |
10/18/2007 | US20070241705 Method & arrangement for sensorless operation of an electronically commutated motor |
10/17/2007 | CN200962576Y Automatic capacitance-changing energy-saving electromotor |
10/17/2007 | CN101056082A Motor drive circuit |
10/11/2007 | WO2007114109A1 Ac motor driving apparatus and control method |
10/11/2007 | WO2007114058A1 Permanent magnet synchronization motor magnetic pole position detecting method |
10/10/2007 | EP1842484A1 Control system of an electric motor for surgical applications |
10/10/2007 | EP1529335B1 Device for controlling power by phase control, and method for reducing harmonic waves |
10/10/2007 | CN200959587Y Controller of double-speed asynchronous motor |
10/09/2007 | US7280308 Motor drive semiconductor integrated circuit and magnetic disk storage apparatus |
10/09/2007 | US7279864 Control unit for driving a regulating transistor of a fan arrangement |
10/09/2007 | US7279860 System and method for evaluating back electromotive force in a motor |
10/04/2007 | WO2007110328A1 Injection moulding machine |
10/04/2007 | US20070228844 Alignment apparatus and exposure apparatus using the same |
10/03/2007 | EP1841056A1 A motor controller |
10/03/2007 | CN200956563Y High-voltage AC winding motor rotor variable frequency speed-regulating control system |
10/03/2007 | CN101047360A Method and apparatus for increasing AC motor torque output at low frequency |
10/03/2007 | CN100341236C Motor control apparatus |
10/02/2007 | US7276821 Moving magnet type linear slider |
09/26/2007 | EP1837629A1 Method and device for estimating displacements of the rotor of a motor |
09/26/2007 | EP1836765A1 Transistor matrix switched reluctance variable speed motor drive |
09/26/2007 | EP1358711B1 Power converter device for one of several motor windings on a reluctance motor |
09/26/2007 | CN101043197A 驱动电路 Drive circuit |
09/26/2007 | CN100340058C Three-phase AC. electric motorelectricity-saver |
09/25/2007 | US7274866 Power tool and method for controlling a power tool |
09/20/2007 | DE102006011993A1 Control loop drive for working unit e.g. manure distributor, of land vehicle e.g. agricultural machine, has three-phase alternator, drive motor e.g. three-phase motor, and frequency converter forming electrically encapsulated unit |
09/19/2007 | EP1835615A2 Motor speed control systems |
09/19/2007 | EP1835614A1 Motor control device |
09/19/2007 | EP1834405A1 Method for regulating the current supply of a coil of a reluctance motor and electric circuit arrangement for said method |
09/19/2007 | CN200948752Y Electric automobile motor controller bus wire polar plate |
09/19/2007 | CN100338870C High-slip frequency speed-adjusting method and its mechanism |
09/18/2007 | US7271564 Method, apparatus, and system for drive control, power conversion, and start-up control in an SRM or PMBDCM drive system |
09/18/2007 | US7271556 Method and apparatus for estimating rotor position of switched reluctance motor, and method and apparatus for sensorless control of switched reluctance motor |
09/12/2007 | CN200946578Y Stepless adjusting mechanism for electric fan shaking angle |
09/12/2007 | CN101036287A Linear motor system |
09/12/2007 | CN101034638A High-current low-voltage DC electromotor control switch |
09/11/2007 | US7268516 Circuit for use with switched reluctance machines |
09/07/2007 | WO2007098973A1 Method for the predictive closed-loop control of a linear drive or of a linear compressor and linear drive or linear compressor subject to predictive closed-loop control |
09/05/2007 | CN200944576Y Automatic control device of double fed motor generating maximum advancing reactive power |
09/04/2007 | US7265516 Linear electric motor controller and system for providing linear control |
09/04/2007 | US7265505 Control apparatus for selectively driving plural stator windings of synchronous motor |
08/30/2007 | US20070201842 Switched Dc Electrical Machine |
08/29/2007 | EP1683263B1 Method for operating a synchronous machine |
08/29/2007 | CN101026330A Magnetic micromotion machine |
08/28/2007 | US7262578 Direct control of an induction motor |
08/28/2007 | US7262576 Method for driving a synchronous electric motor in particular for fans |
08/23/2007 | US20070195451 Motor drive semiconductor integrated circuit and magnetic disk storage apparatus |
08/23/2007 | US20070194734 Method and device for controlling a multiphase electronically commutated motor |
08/23/2007 | US20070193794 Vehicle for materials handling and other industrial uses |
08/22/2007 | EP1821401A1 Improved method and apparatus for movable element position detection in an electrically commutated machine |
08/22/2007 | EP1820265A2 Method for controlling a heat engine vehicle driving assembly |
08/22/2007 | EP1820264A1 Method for controlling the operation and continuous current mode of a drive assembly for a motor vehicle provided with an internal combustion engine |
08/22/2007 | EP1820263A1 System and method of restarting a switched reluctance motor after a rapid cycling of power |
08/22/2007 | EP1820262A2 Operation control device and method of compressor |
08/22/2007 | EP1163716B1 Electronic controller for an electric hand tool |
08/22/2007 | CN1333517C Method for starting and controlling switch reluctance motor no-rotor position sensor |
08/22/2007 | CN101022050A 控制器 Controller |
08/16/2007 | WO2007057817A3 Driver for an inductive load |
08/16/2007 | US20070188121 Motor and drive control system thereof |
08/16/2007 | US20070186582 Air-seperation apparatus, integrated air-separation and metal-production apparatus, and method of starting one such air-separation apparatus |
08/15/2007 | EP1818135A1 Linear drive apparatus |
08/09/2007 | WO2007089529A2 Permanent magnet disc motor with dual stators and its control |
08/09/2007 | US20070182353 Motor control apparatus |
08/09/2007 | DE102006004277A1 Rotary semiconductor machine for motor and generator operation, has stator and rotor connected by suitable electronic control on speed-torque-characteristics, so that start-up mode combines currently known speed-torque-characteristics |
08/08/2007 | CN1331304C Driving unit |
08/07/2007 | US7253576 E/I core actuator commutation formula and control method |
08/02/2007 | WO2007061901A3 Method and apparatus for quiet fan speed control |
08/01/2007 | CN1330075C Motor with variable rotational speed |
08/01/2007 | CN101010870A System and method of restarting a switched reluctance motor after a rapid cycling of power |
08/01/2007 | CN101010530A Selector drive for automatic manual transmissions of motor vehicles |
08/01/2007 | CN101009455A Long range big-push force permanent-magnet brushless linear DC motor |
07/31/2007 | US7250740 Method and apparatus for generating pulse-width modulated waveform |
07/26/2007 | DE19924025B4 Erregungssteuerungseinrichtung für eine Phasenspule eines elektrischen Motors Excitation controller for a phase coil of an electric motor |