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