Patents for H02P 29 - Arrangements for regulating or controlling electric motors, appropriate for both ac- and dc-motors (5,779) |
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10/27/1987 | US4703241 Motor servo system |
10/21/1987 | CN87103189A Control arrangement for turning induction motor |
10/20/1987 | CA1228412A1 Procedure for determining the operating status of an actuating drive of a printing machine and device for implementing the procedure |
10/14/1987 | EP0241045A1 Motion control apparatus for induction motor |
10/14/1987 | EP0240678A2 Rotational velocity control with pulse width modulation |
10/13/1987 | US4700189 Linear resolver |
10/13/1987 | US4699097 Means for suppressing engine output torque fluctuations |
09/24/1987 | DE3608888A1 Control arrangement for an auxiliary unit which is allocated to a main machine which is constructed as an alternating-current machine |
09/23/1987 | EP0237717A2 Speed control of an electrical motor |
09/22/1987 | US4695780 Servomotor velocity control system |
09/22/1987 | US4695778 Rotation phase control device |
09/22/1987 | US4695776 Power converter for an electrically-compensated constant speed drive |
09/15/1987 | US4694234 For detecting a pulse width of a pulse signal |
09/08/1987 | US4692671 Electrically-compensated constant speed drive |
08/27/1987 | WO1987005167A1 Method of controlling servo motor |
08/05/1987 | EP0230470A1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine |
07/29/1987 | EP0166744A4 A programmed microprocessor for a speed control system for a d.c. motor. |
07/16/1987 | WO1987004276A1 Motor system |
07/14/1987 | US4680746 Recording disc rotary drive control apparatus |
07/14/1987 | US4680518 Servomotor velocity control method |
07/14/1987 | US4680516 Motor speed control system |
07/07/1987 | US4678182 Bicycle ergometer and eddy current brake therefor |
07/02/1987 | WO1987003928A1 Power converter for an electrically-compensated constant speed drive |
07/01/1987 | EP0227014A1 Turbine helper drive apparatus |
06/09/1987 | US4672595 System for controlling rotary drive of recorded disk player |
06/04/1987 | WO1987003432A1 Speed control system |
06/03/1987 | CN86107916A Printer-driving motor and its control device |
05/27/1987 | EP0223102A2 Control circuit for an electric printing machine drive motor or the like |
05/27/1987 | EP0223100A2 Control device for an electric printing machine drive motor |
05/27/1987 | CN86107921A Control circuit for electric printing machine drive motor or similar device |
05/26/1987 | CA1222298A1 Reactance-commutated high resolution servo motor system |
05/20/1987 | EP0222423A1 System for controlling the speed of an electric motor |
05/12/1987 | US4664247 Conveyor brake control |
05/12/1987 | CA1221764A1 System for the reproduction of signals stored on a magnetic tape |
04/22/1987 | EP0219290A2 Torque control apparatus for rotary machine |
04/22/1987 | EP0219239A1 Speed control unit for an aircraft electric generator |
04/14/1987 | US4658191 Motor rotation control apparatus |
04/07/1987 | US4656401 Load drive apparatus |
03/31/1987 | US4654776 Cut-off amplifier |
03/31/1987 | CA1219901A1 Servomotor speed control in a positioning device |
03/24/1987 | US4653077 Timing device for neutralizing response delays of control devices in printing machines |
03/18/1987 | EP0214309A1 System for controlling a servo motor |
03/10/1987 | US4649328 Method for automatic speed loop tune-up in a machine drive |
03/10/1987 | US4648551 Adaptive blower motor controller |
03/10/1987 | US4648339 Speed control apparatus for sewing machine |
03/04/1987 | EP0212566A1 Phase locked loop motor controller |
03/04/1987 | EP0147393B1 Automatic hydraulic speed control |
03/03/1987 | US4647828 Servo system |
02/25/1987 | EP0211011A1 Circuit for regulating the rotational speed of a series motor. |
02/24/1987 | US4645048 Drive mechanism for machines |
02/17/1987 | CA1218133A1 Automatic hydraulic speed control |
01/27/1987 | US4639649 Motor control device |
01/27/1987 | CA1217229A1 Motor control system |
01/21/1987 | EP0208788A1 Speed control system for servo motors |
01/15/1987 | WO1987000363A1 Control circuit for an electric motor |
01/13/1987 | US4636961 Control device for a hand-operated electric power tool |
01/13/1987 | US4636700 Position servo system |
01/13/1987 | US4636696 Servo system |
01/13/1987 | US4635441 Power drive unit and control system therefor |
01/07/1987 | EP0207172A1 Drive control system for servo motors |
01/07/1987 | EP0207168A1 Drive control system for servo motors |
12/23/1986 | US4631462 System for controlling the speed of an electric motor |
12/17/1986 | EP0204903A1 Servo control of a motor speed by using a phase locked loop |
12/10/1986 | EP0204164A2 Method for limiting the rotational speed of the driving motor of a rotary offset printing machine |
12/03/1986 | EP0203550A1 Adaptive electrical control system |
12/03/1986 | EP0203199A1 Injection molding machine which uses a servo motor and which is provided with a protecting function |
12/03/1986 | CN86103238A Method for restricting rotating speed of drived motor of offset printer |
12/02/1986 | US4626753 Motor speed control by measurement of motor temperature |
11/20/1986 | EP0201605A1 System for controlling the speed of a servo motor |
11/18/1986 | US4623939 Rotation control apparatus for a motor |
11/06/1986 | WO1986006319A1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine |
11/05/1986 | EP0200314A2 Electric motor control system |
10/29/1986 | EP0113735B1 Method and device for controlling the rotation speed of a pump driving asynchronous motor |
09/23/1986 | US4613760 Alternating current electrical power generating system |
09/12/1986 | WO1986005335A1 System for controlling a servo motor |
09/10/1986 | EP0194099A2 Intermittent drive type magnetic recording apparatus |
08/27/1986 | EP0191947A1 An apparatus for compensating a quantization error |
08/12/1986 | US4605901 For a motor speed control system |
08/12/1986 | US4605885 Method of controlling rotation speed of motor |
08/12/1986 | US4605884 Control unit |
08/05/1986 | US4604558 Motor drive assembly having a floating switch actuator |
08/05/1986 | US4604036 Torque control apparatus for enclosed compressors |
07/31/1986 | WO1986004468A1 Circuit for regulating the rotational speed of a series motor |
07/29/1986 | US4603286 For a servo motor |
07/29/1986 | US4602581 Sewing machine controlling apparatus |
07/29/1986 | CA1208695A1 Servomotor feedback fault detector |
07/22/1986 | US4601568 Document-scanning control apparatus for image-forming apparatus |
07/17/1986 | WO1986004194A1 Speed control system for servo motors |
07/17/1986 | WO1986004193A1 Drive control system for servo motors |
07/15/1986 | US4600866 Motor revolution speed control device |
07/08/1986 | US4599545 Servomotor controller |
07/08/1986 | CA1207379A1 Induction motor controller |
07/03/1986 | WO1986003854A1 Drive control system for servo motors |
06/25/1986 | EP0185594A1 Friction and eddy current compound clutch and method of controlling it |
06/25/1986 | EP0185579A1 Method for displacing a mobile system moved by an electric motor along a given trajectory |
06/11/1986 | EP0184500A1 Method for displacing a mobile system moved by an electric motor along a given trajectory, and apparatus for carrying out said method |
06/10/1986 | US4594536 Servomotor speed control in a positioning device |
06/10/1986 | US4593524 Control device for a power-driven air pump for a car |
06/03/1986 | CA1205397A1 Multiple speed drive system |
05/27/1986 | US4591768 Control system for an electric motor |