| Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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| 03/31/1992 | US5101148 Electric motor actuator |
| 03/25/1992 | EP0476478A2 Digital pulse processing device |
| 03/25/1992 | CA2050084A1 Pmg-based position sensor and synchronous drive incorporating same |
| 03/19/1992 | WO1992004668A1 System for controlling servomotor |
| 03/18/1992 | EP0474888A1 Method of regulating gain of motor control |
| 03/03/1992 | US5093609 Servomotor control method |
| 03/03/1992 | US5093608 Motor control apparatus |
| 02/25/1992 | US5091686 Operation control circuit for pump motor |
| 02/25/1992 | US5091684 Servo-control apparatus |
| 02/05/1992 | EP0469617A1 Closed-loop feedback control system having an adaptive filter |
| 01/28/1992 | CA1295010C Centrifuge control system having dual processors |
| 01/22/1992 | EP0247206B1 Speed control system |
| 01/14/1992 | US5081403 Error detecting unit of motor rotation control device |
| 01/08/1992 | EP0465015A1 Digital comb filter |
| 12/27/1991 | EP0462539A1 Servo motor monitoring unit |
| 12/17/1991 | US5073861 Method of and apparatus for preventing overheating of heating element |
| 12/17/1991 | US5073746 Speed control method for servomotors |
| 12/11/1991 | EP0460453A2 Power production installation, especially propeller propulsion for ships using a solar generator |
| 12/11/1991 | EP0166744B1 A programmed microprocessor for a speed control system for a d.c. motor |
| 12/03/1991 | CA2063243A1 Energy-generating plant, particularly propellor-type ship's propulsion plant, supplied by a solar generator |
| 12/03/1991 | CA2043653A1 Energy-generating plant, particularly propeller-type ship's propulsion plant, supplied by a solar generator |
| 11/21/1991 | DE4116254A1 Brushless DC motor controller - avoids overheating of transistors by adjustment of frequency at which these are pulsed for switching of three=phase stator currents |
| 11/19/1991 | US5067033 Rotation control device using reproduced synchronizing signal |
| 11/12/1991 | US5063740 Electrohydraulic servodevice for position control |
| 10/29/1991 | US5062064 Method and apparatus for measuring velocity in servo systems |
| 10/29/1991 | US5062049 Control method and apparatus for continuously variable transmissions |
| 10/29/1991 | US5060764 Velocity control method for elevator |
| 10/22/1991 | US5059879 Electric actuator control apparatus |
| 10/17/1991 | WO1991015893A1 Method of regulating gain of motor control |
| 10/15/1991 | US5058191 Motor rotation speed control circuit |
| 10/15/1991 | US5056487 Torque control apparatus and method for internal combustion engines |
| 10/01/1991 | CA1290012C Device for the limitation of torque in a hair treatment device |
| 09/25/1991 | EP0448528A1 A non-slip rectilinear wiredrawing machine with synchronization between successive tangentially uncoiling capstans |
| 09/25/1991 | EP0448145A2 Method of controlling the speed of a motor |
| 09/24/1991 | US5051976 Disk recording and reproducing apparatus with speed compensation for CAV and CLV disks in accordance with signals recorded on the disks |
| 09/22/1991 | CA2038301A1 Non-slip rectilinear wiredrawing machine with synchronization between successive tangentially uncoiling capstans |
| 09/17/1991 | CA1289186C Control circuit for an electrical printing-press drive motor or similar |
| 09/10/1991 | CA1288807C Electrical motor system |
| 09/04/1991 | CN1054296A Operation control circuit for pump motor |
| 09/03/1991 | US5046123 Error signal detection circuit in a servo control device |
| 09/03/1991 | CA1288465C Electronic motor controls, laundry machines including such controls and/or methods of operating such controls |
| 08/13/1991 | US5040234 Apparatus for and method of generating a timing signal |
| 08/13/1991 | US5038566 Power supply system for turbocharger with rotary electric machine |
| 08/07/1991 | EP0440185A2 Apparatus for reducing vibrations of the body of a vehicle |
| 07/31/1991 | EP0438827A1 Apparatus comprising an electric motor having a variable motor power |
| 07/23/1991 | CA1286713C Method of limiting motor power output |
| 07/20/1991 | CA2034252A1 Apparatus comprising an electric motor having a variable motor power |
| 07/10/1991 | CN1013152B Core monitor that uses rotor shaft voltage |
| 07/02/1991 | US5029230 Motor control apparatus and speed setting apparatus |
| 07/02/1991 | US5029040 Output circuit having a fail-safe function |
| 06/26/1991 | EP0433733A1 Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor |
| 06/25/1991 | US5027044 Load state decision apparatus for servomotor |
| 06/13/1991 | WO1991008391A1 Safety system for a stepper-motor drive |
| 06/12/1991 | EP0431731A2 Friction-compensating mass motion controller |
| 06/05/1991 | EP0429867A2 Error detecting unit of motor rotation control device |
| 06/04/1991 | US5020491 Method and apparatus for controlling power generation in internal combustion engines |
| 05/29/1991 | EP0428950A2 Motor driving control apparatus |
| 05/28/1991 | US5019757 Method and apparatus for controlling a blower motor in an air handling system to provide constant pressure |
| 05/08/1991 | EP0426577A1 Method and device for moving a shade element to adjustable stable positions and installation applying such |
| 05/08/1991 | EP0426056A2 Procedure and apparatus for the control of a hoisting motor |
| 05/07/1991 | US5014335 Method of controlling at least one electric motor on an offset printing machine |
| 05/07/1991 | US5014020 Amplifier for outputting motor controlling signal in motor controlling circuit |
| 05/07/1991 | US5013981 Control mechanism for a drive motor or the like |
| 05/02/1991 | EP0424823A2 Error detecting unit of a rotational detector |
| 04/24/1991 | CN1012453B Servo system |
| 04/23/1991 | CA1283469C Control mechanism for a printing machine drive motor or similar |
| 04/18/1991 | WO1991005298A1 Process and device for imitating the speed in incremental measuring systems |
| 04/10/1991 | CN1050594A Operation control circuit for pump motor |
| 04/09/1991 | US5006770 Servomotor velocity control apparatus |
| 04/04/1991 | DE3932214A1 Verfahren und vorrichtung zur nachbildung der geschwindigkeit bei inkrementalen messsystemen Method and device for replica of the rate for incremental measuring systems |
| 04/02/1991 | US5004968 Method for acceleration and deceleration control of servomotors |
| 03/20/1991 | EP0417909A2 Control method and apparatus for continuously variable transmissions |
| 03/19/1991 | US5001407 Speed control apparatus having means for changing reference signal for error signal, depending upon load applied to controlled device |
| 03/16/1991 | CA2021399A1 Control method and apparatus for continuously variable transmissions |
| 03/06/1991 | EP0415402A2 Improved method and apparatus for measuring velocity in servo systems |
| 03/06/1991 | EP0414939A1 Vibrationless starting and braking control for transporting equipment |
| 02/12/1991 | US4992716 Motor control with digital feedback |
| 02/12/1991 | US4992715 Torque control apparatus for rotating motor machine |
| 02/06/1991 | EP0411554A2 Motor control with digital feedback |
| 01/30/1991 | EP0410827A1 Washing machine or dryer with means for automatically determining the weight of the laundry |
| 01/16/1991 | EP0407590A1 Servo control apparatus |
| 01/16/1991 | EP0203199B1 Injection molding machine which uses a servo motor and which is provided with a protecting function |
| 01/10/1991 | DE4019849A1 Induction motor control with prim. current feedback loop - changes current loop gain or velocity loop gain to predetermined value, greater in position adjustment mode |
| 01/08/1991 | US4983897 Control circuit |
| 01/02/1991 | EP0404962A1 Anomaly detecting method in a servo system |
| 12/27/1990 | EP0403658A1 Method of controlling the speed of a servomotor |
| 12/25/1990 | US4980625 Apparatus and method for servo control system |
| 12/25/1990 | US4980623 Method and device for reducing torque loading on a system driven by an electric motor |
| 12/25/1990 | US4980622 Actuator two-fault tolerance apparatus |
| 12/25/1990 | US4980619 Speed control device for sewing machine |
| 12/11/1990 | US4977508 Internal combustion engine equipped with a torque controller |
| 12/04/1990 | US4975642 Method of and apparatus for measuring revolution speed in response to pulse signals detected from a rotary member |
| 11/28/1990 | CN1010643B Method of controlling electric motor for air-blower of air conditioner |
| 11/28/1990 | CN1010642B Control arrangement for turning induction motor |
| 11/27/1990 | US4973895 Motor drive method for an industrial robot |
| 11/14/1990 | EP0397316A1 Power supply system for turbocharger with rotary electric machine |
| 11/14/1990 | EP0396749A1 System for controlling servo motor |
| 11/13/1990 | US4969756 Motor driven actuator speed control |
| 10/31/1990 | CN1046472A Chlorine-resistant semipermeable membranes |
| 10/30/1990 | US4967128 Servo motor control device |