Patents for G05D 13 - Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover (2,129) |
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02/20/1990 | US4901746 Anticipating overspeed governor |
01/30/1990 | CA1265186A1 Apparatus for compensating a quantization error |
01/24/1990 | EP0351429A1 Rotation speed regulator for heat engine |
01/23/1990 | US4895119 For an engine |
01/08/1990 | EP0351429A4 Rotation speed regulator for heat engine. |
12/27/1989 | CN1006257B Digital sexvo system |
12/20/1989 | CN2049843U Variable-quantity constant-voltage full autocontrol cabinet |
12/14/1989 | DE3818797A1 Device for controlling the drive speed of the grinding disc of a saw-sharpening machine |
11/15/1989 | EP0341445A1 Method of and apparatus for measuring revolution speed |
10/24/1989 | US4875448 Cyclic responding electronic speed governor |
10/18/1989 | EP0337477A1 Speed governor for toilet or the like |
10/18/1989 | CN2046238U Microcomputer electroliquid speed regulator |
09/27/1989 | EP0333876A1 Method of controlling robot depending upon load conditions |
09/26/1989 | US4869106 Governor checkout apparatus and method |
09/26/1989 | CA1260759A1 Bi-phased fluid pump feeder device, and hydrocarbon production installation using said device |
09/26/1989 | CA1260578A1 Electric motor servo control system and method |
09/13/1989 | EP0331749A1 Synchronization control of spindle motor and feed motor |
09/05/1989 | US4864200 Motor speed control apparatus |
08/30/1989 | EP0330162A2 Laboratory centrifuge |
08/30/1989 | CN2043772U Motor manostat for small-sized tractor |
07/27/1989 | DE3800900A1 Circuit arrangement for controlling the rotational speed of a hydrostatic machine |
07/25/1989 | US4851754 Velocity control system |
07/13/1989 | DE3744275A1 Mechanical speed governor for an internal-combustion engine having an adjustable degree of irregularity |
06/29/1989 | DE3841386A1 Constant speed of travel control device |
06/29/1989 | DE3840295A1 Method for protecting centrifugal separators against overspeeding |
06/21/1989 | EP0320513A1 Method for regulating the rotation velocity of a heat engine |
05/02/1989 | US4827201 Digital servo system for motor driven apparatus |
05/02/1989 | US4827200 Velocity control unit of detecting head |
04/11/1989 | US4821168 Control system with improved robustness to disturbances |
04/06/1989 | WO1989003078A1 Rotation speed regulator for heat engine |
04/04/1989 | CA1252205A1 Method and apparatus for producing special motion effects in video recording and reproducing apparatus |
03/28/1989 | US4816734 Speed control system |
03/23/1989 | WO1989002624A1 Method of controlling robot depending upon load conditions |
03/23/1989 | WO1989002618A1 Synchronization control of spindle motor and feed motor |
03/09/1989 | WO1989002187A1 Engine governor eddy-current damper mechanism and method |
02/21/1989 | US4805474 Structure for supporting governor shaft of automatic transmission |
02/16/1989 | DE3825376A1 Vorrichtung fuer die geschwindigkeitsregelung eines fahrzeugs Device for cruise control of a vehicle |
02/15/1989 | CN2032715U Guy speed-regulating disk mechanism for material tester |
02/14/1989 | US4804894 Motor rotation servo control apparatus |
02/09/1989 | DE3725270A1 Sliding sleeve for a speed governor |
01/18/1989 | EP0299072A1 Rotation speed regulator for heat engine |
01/10/1989 | US4797074 Governor device |
01/10/1989 | US4796581 Centrifugal rpm governor for internal combustion engines |
01/10/1989 | CA1248609A1 Control device for controlling an engine of a turbine power system having more than one engine |
01/04/1989 | EP0297879A2 Motor speed controller for a pressure fluid-operated motor |
01/03/1989 | US4794899 Correction spring capsule for injection devices of internal combustion engines |
12/27/1988 | US4793309 Engine governor eddy-current damper mechanism and method |
12/20/1988 | US4791951 Governor for hydraulically controlled automatic transmission |
11/24/1988 | DE3716174A1 Mechanical Speed Governor with Mass Compensation |
11/17/1988 | WO1988008924A1 Method for regulating the rotation velocity of a heat engine |
11/01/1988 | US4781872 Method of mold opening/closing speed control |
09/20/1988 | US4771621 Speed control apparatus for equipment for continuous processing of steel plates |
09/15/1988 | DE3645016A1 Method and circuit arrangement for limiting the rotation speed of an electric motor, especially in the case of a model railway |
09/06/1988 | US4768482 Automatic control and fuel saving means for internal combustion engines |
08/24/1988 | EP0279057A2 Device for limiting the number of revolutions of a combustion engine driving a vehicle |
08/24/1988 | CN87100635A Method and device for speed control of railway transport facilities |
07/28/1988 | WO1988005568A1 Rotation speed regulator for heat engine |
07/27/1988 | EP0275976A2 Casting machine control |
07/27/1988 | CN87212740U Electronic speed controlling device |
07/26/1988 | US4760537 System for analyzing laser beam profiles |
07/26/1988 | US4760529 Smooth stop control system |
07/13/1988 | CN87107593A Digital servo |
06/29/1988 | CN87103841A Speed control apparatus and method for braiding machine |
06/21/1988 | US4751888 Pulse generator for a sewing machine drive |
06/09/1988 | DE3641156A1 Centrifugal governor |
06/07/1988 | US4748814 Electric power generating plant |
05/31/1988 | US4748555 Control unit for a moving body |
05/18/1988 | EP0139982B1 Control circuit for a road vehicle |
05/17/1988 | US4745563 Method of detecting the speed of a motor |
05/10/1988 | US4743812 Boost/buck DC/DC converter |
05/10/1988 | US4743072 Vehicle braking system |
05/05/1988 | DE3636933A1 Mechanical governor for internal combustion engines |
05/03/1988 | US4742285 Full follow-up type servo-system |
04/20/1988 | CN87213923U Speed controller with socket timer |
04/12/1988 | US4737915 Power train control method |
04/06/1988 | EP0262952A2 Digital servo system for motor driven apparatus |
04/06/1988 | CN87211967U Detecting head of electromagnetic angular desplacement sensor |
04/05/1988 | US4735273 Fixed speed cruising control apparatus for a vehicle |
04/05/1988 | US4735180 Centrifugal adjuster for a fuel injection pump governor |
03/29/1988 | US4734630 Method and apparatus for phase comparison adapted to produce an error signal against an input signal having a relatively wide range of phase and frequency variation |
03/22/1988 | US4733155 Speed control unit for an aircraft generator |
03/22/1988 | US4733149 Adaptive control system |
03/22/1988 | US4733144 Electronic digitized proportional-integral controller |
03/15/1988 | US4731568 Error signal generator |
03/01/1988 | US4727927 Casting machine control |
02/17/1988 | CN86105252A Method and apparatus for controlling movable part and stationary part |
02/16/1988 | US4725969 Constant-speed driving system |
02/09/1988 | US4724366 For digitally controlling the supply of power |
02/02/1988 | US4723213 Control device for vehicle speed |
01/07/1988 | EP0250684A1 Internal combustion engine equipped with a torque controller |
01/05/1988 | US4717976 Apparatus using disc-shaped record bearing medium |
01/05/1988 | US4717969 Apparatus for detecting servo-lock state in rotation of rotary recording medium |
01/05/1988 | US4716807 Speed control apparatus and method for braiding machine |
01/05/1988 | US4716789 Drive control device for vehicles |
12/16/1987 | EP0249465A1 Motor rotation control apparatus |
12/15/1987 | US4713764 Transmission control apparatus and method for vehicle traveling uphill or downhill |
12/10/1987 | DE3618844A1 Method for limiting the speed of an internal combustion engine |
12/09/1987 | CN86207996U Self-adaptation control system for optimum rotation speed in self-grinding process |
12/02/1987 | EP0247206A1 Speed control system |
11/17/1987 | US4706627 Speed governor for injection pumps in internal combustion engines |