| Patents for H02P 23 - Arrangements or methods for the control of ac-motors characterised by a control method other than vector control (5,487) |
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| 06/19/1996 | EP0716782A1 Variable speed motor controller |
| 06/13/1996 | DE19545175A1 Electrical appts. for extn. of juice from prods. esp. fruit and vegetables |
| 06/13/1996 | DE19542904A1 Compressor plant e.g. for ship drive starter compressor |
| 06/12/1996 | EP0716214A2 Method and device for controlling the stopping of electric motor driven roller shutters or the like |
| 06/11/1996 | US5525877 Motor vibration control device and method for matching a motor speed detected value with a motor speed reference value |
| 06/05/1996 | EP0714569A1 Power control system for an a.c. induction motor |
| 06/05/1996 | EP0714567A1 Circuit for speed control for a one-phase or three-phase motor |
| 06/05/1996 | EP0714566A1 Efficient control system for electric motors |
| 06/05/1996 | EP0523255B1 Method of suppressing torsional vibration in a motor speed control system and apparatus therefor |
| 05/29/1996 | EP0714161A1 Apparatus and method for precise velocity control |
| 05/28/1996 | US5521481 Speed estimation observer applied to speed control system for motor |
| 05/23/1996 | WO1996015581A1 Economical wide range speed control system |
| 05/21/1996 | CA2103393C Single phase ac motor speed control system |
| 05/15/1996 | CN1122531A Motor unit, motor drive unit, fan unit and method of controlling the motor drive unit |
| 05/01/1996 | EP0709952A1 Motor speed control apparatus |
| 05/01/1996 | EP0709951A2 Motor control system |
| 04/25/1996 | DE19535676A1 Power control of induction motor e.g for driving pump for heating systems |
| 04/24/1996 | CN1121164A Air conditioning device |
| 04/23/1996 | US5510683 Motor speed control device |
| 04/11/1996 | DE19537302A1 Microcomputer for controlling drive of induction motor |
| 04/10/1996 | EP0714569A4 Power control system for an a.c. induction motor |
| 04/09/1996 | US5506930 Control apparatus for a variable speed motor |
| 04/09/1996 | US5506486 Control apparatus for compressor with induction motor |
| 03/28/1996 | DE4443602A1 On/off and directional controller for mains powered vent actuator |
| 03/28/1996 | DE4433797A1 Vorrichtung zur selbsttätigen Endabschaltung eines Rollvorhangs, insbesondere eines Rolladenpanzers Apparatus for automatically limit a roller blind, especially a roller shutter |
| 03/27/1996 | EP0703344A1 Selfactuating stopping device for a roller blind, especially for a roller shutter |
| 03/27/1996 | EP0605604A4 Automatic motor testing method and apparatus. |
| 03/20/1996 | CN1118951A Inverter apparatus |
| 03/19/1996 | US5500581 High-efficiency power supply control apparatus for variable-speed induction motor |
| 03/14/1996 | WO1996008074A1 Ac/dc unity power-factor dc power supply for operating an electric motor |
| 03/14/1996 | DE4430557A1 AC Motor-driven fan or compressor rotational speed measurement + |
| 03/07/1996 | WO1996007128A1 Drive and x-ray device comprising such a drive |
| 03/05/1996 | US5497065 Inverter operation command process |
| 02/28/1996 | EP0698962A1 Inverter control |
| 02/28/1996 | EP0698955A1 Method for reducing the dynamic closing force of motor operated doors and motor control apparatus for carrying out the method |
| 02/27/1996 | US5495158 Apparatus and method used with AC motors for controlling motor operation |
| 02/15/1996 | WO1996004708A1 Motor speed controller |
| 02/13/1996 | US5491392 Power source regenerative apparatus |
| 02/08/1996 | DE3546896C2 Speed control method for electromotor |
| 02/06/1996 | US5489845 Encoder system and method for determining absolute rotor position by taking a mid value of the multiple coil output sinusoidal signals |
| 02/01/1996 | DE19527166A1 Servo-control device for controlling speed of tape drive motor of video tape recorder |
| 01/31/1996 | EP0695024A2 Air conditioning device |
| 01/30/1996 | CA2070361C Method for decreasing the speed of an alternating current motor |
| 01/11/1996 | DE4423464A1 Motor speed control on draw:frame with individual motor drives |
| 01/10/1996 | EP0691730A2 Inverter control apparatus |
| 01/03/1996 | EP0690557A1 Fuzzy logic control process and device for induction motors |
| 01/03/1996 | EP0689986A1 Control device of power steering motor capable of preventing motor-current-induced vibration and noise |
| 01/03/1996 | EP0689733A1 A method for determining a stator flux estimate for an asynchronous machine |
| 12/27/1995 | EP0689282A1 Motor servo system |
| 12/26/1995 | US5479556 Rotation control apparatus employing a comb filter and phase error detector |
| 12/21/1995 | WO1995034946A1 Speed control and bootstrap technique for high voltage motor control |
| 12/20/1995 | EP0688095A2 Variable speed generator-motor apparatus capable of improving accuracy of power system |
| 12/20/1995 | EP0688094A1 Device and method for controlling motor |
| 12/19/1995 | US5477523 Method and a device for altering of the angular velocity of a driven rotating media carrier |
| 12/19/1995 | US5477121 Procedure and apparatus for compensating the slip of an induction machine |
| 12/19/1995 | CA2075351C Energy-saving control apparatus and control method for induction motor |
| 12/13/1995 | EP0579694B1 Process and circuits for determining machine-related electromagnetic and mechanical state variables on electrodynamic induction machines supplied via converters |
| 12/12/1995 | CA2008688C Method and apparatus for detecting deviation of motor speed from frequency of power supply |
| 12/06/1995 | EP0685926A2 Method and device for controlling speed of a washing machine motor |
| 12/06/1995 | EP0569588B1 Device for controlling current application to inductance coil |
| 12/05/1995 | US5473230 Torque disturbance precompensation for disk drive spindle motors |
| 11/29/1995 | EP0684692A2 Motor drive with programmable funtion switches |
| 11/29/1995 | EP0684689A2 Method and device for controlling speed of a washing machine motor |
| 11/29/1995 | EP0684334A2 Method and device for controlling speed of a washing machine motor |
| 11/29/1995 | EP0413032B1 Method of controlling ac motor |
| 11/28/1995 | US5471353 Disk drive employing multi-mode spindle drive system |
| 11/28/1995 | US5471127 Induction motor control |
| 11/28/1995 | US5471125 AC/DC unity power-factor DC power supply for operating an electric motor |
| 11/23/1995 | WO1995031857A1 Method for controlling the power to be transferred via a mains inverter |
| 11/23/1995 | CA2189251A1 Method for controlling the power to be transferred via a mains inverter |
| 11/16/1995 | WO1995030942A1 Induction motor control |
| 11/14/1995 | US5467004 Motor speed control apparatus for keeping the speed of the motor fixed in the presence of a disturbance torque |
| 11/14/1995 | US5467001 Control method for an alternating current motor |
| 11/02/1995 | EP0680138A2 A motor speed control apparatus |
| 10/31/1995 | US5463302 Slip compensation method in a squirrel cage induction motor |
| 10/26/1995 | WO1995028763A1 Method and device for lowering induced voltage of induction motor |
| 10/25/1995 | EP0500948B1 System for driving induction motor |
| 10/18/1995 | EP0677919A2 Method for the control of an asynchronous machine supplied from a converter in the operation of weakening of field |
| 10/17/1995 | US5459387 Control device for electric motors |
| 10/11/1995 | EP0676619A1 Push button for the control of electric motors, especially for cranes and other conveyor means |
| 10/03/1995 | US5455762 Motor controller having multiple command sources |
| 09/20/1995 | EP0672912A1 Indicator for a monophase asynchronous motor |
| 09/13/1995 | EP0671542A1 Electric motor driven device including means for measuring the movement of the driven body |
| 09/13/1995 | CN1108324A Method and device for controlling speed of a washing machine motor |
| 09/06/1995 | EP0670626A2 Method for calculating speed estimated value in speed control system |
| 08/30/1995 | CN1107624A High-efficiency power supply control apparatus for variable-speed induction motor |
| 08/23/1995 | EP0552184B1 Process for determining the load of an asynchronous motor fed via a frequency converter and a device for carrying out the process |
| 08/22/1995 | US5444350 Process for determining the load of an asynchronous motor fed via a frequency converter and a device for carrying out the process |
| 08/22/1995 | US5444345 Speed control apparatus for a motor |
| 08/22/1995 | US5444344 System for controlling variable frequency driver for AC motor including selectable speed signals |
| 08/17/1995 | DE19504287A1 AC motor torque measurement with hum reduction circuit |
| 08/16/1995 | EP0667009A1 Motor driven step switch |
| 08/15/1995 | US5442273 Drive control apparatus |
| 08/10/1995 | DE4403493A1 Regenerative braking system e.g for vehicles |
| 08/09/1995 | EP0666642A1 Apparatus and method for controlling a servomotor |
| 08/02/1995 | EP0447405B1 Control system for a motor |
| 07/27/1995 | WO1995020265A1 One switch multi-phase modulator |
| 07/27/1995 | DE4429581C1 Motion control unit for servomotor |
| 07/25/1995 | US5436819 Apparatus for and method of compensating for an output voltage error in an inverter output |
| 07/25/1995 | US5436544 Method of phase advancing compensation control for an AC synchronous motor |