Patents
Patents for G05D 15 - Control of mechanical force or stress; Control of mechanical pressure (702)
12/1993
12/23/1993DE4220083A1 Reference force or pressure generator for calibration of meters - has pressure transmitting opening above liquid which surrounds heater-cooler, which acts as setting element of control loop, to enable use of dependency of vapour pressure of liquid on temp..
12/07/1993US5268626 Digital proportional integral and derivative control system
07/1993
07/13/1993US5226363 Dual pressure preload system for maintaining a member
07/07/1993EP0550356A1 Digital PID control
07/06/1993US5224639 Lateral tracking and positioning system for fabrication of composite sheet material
07/01/1993DE4243045A1 Controller form cold strip rolling system - matches stage roller forces, roller speed and strip tension to achieve constant strip thickness, with low axial force on strip
06/1993
06/02/1993EP0544111A1 Apparatus for measuring the pressing force of roll and gripping systems
05/1993
05/11/1993US5209661 Motor control desired dynamic load of a simulating system and method
03/1993
03/30/1993US5197371 Force limiter and ultrasonic device provided with a force limiter
12/1992
12/29/1992US5175478 Electrically operated driving shaft control device for a window blind
12/08/1992US5168758 Force/strain and structure-borne noise transducer
12/08/1992US5168736 For electrical connectors
10/1992
10/14/1992EP0508205A2 System for hybrid position and force control
09/1992
09/02/1992EP0501604A2 Lateral tracking and positioning system for fabrication of composite sheet material
08/1992
08/04/1992US5136227 Active gravity compensation device for force control system
05/1992
05/26/1992US5117170 Motor control circuit for a simulated weight stack
05/06/1992EP0483773A1 Apparatus and method for controlling a load target in response to a force exerted thereon
04/1992
04/30/1992CA2054327A1 Motor control loading system and method
04/14/1992US5103662 Tandem rolling mill tension control with speed ratio error discrimination
04/01/1992EP0477422A1 Uncoiler - Traction force controlled
01/1992
01/22/1992CN2094052U Intelligent pressure gauge of bar extruder
12/1991
12/04/1991EP0459948A2 Receiver-combination for force, elongation and sound conducted through solids
12/04/1991EP0459224A1 Operation method of a press
11/1991
11/06/1991EP0455381A1 Method for controlling tension in a metal rolling mill
11/02/1991CA2041492A1 Method for controlling tension in a metal rolling mill
10/1991
10/29/1991CA1291546C Baler load sensor
08/1991
08/14/1991DE4003717A1 Side guidance for rolled strip material - pushing guides in controlled manner against edges of strip material
07/1991
07/09/1991US5029597 Controller for controlling the operation of a motor operated valve combination
04/1991
04/18/1991DE4001495A1 Depth control of plough of agricultural machine - using three-bar linkage with variable length link dependent upon ground resistance
02/1991
02/12/1991CA1280135C Motor control circuit for a simulated weight stack
02/05/1991US4989461 Web tension meter and web tension controller
01/1991
01/22/1991CA1279246C Stretch control for web materials being joined or laminated
12/1990
12/18/1990CA1278074C Electric motor-actuated load clamp with clamping force control
08/1990
08/21/1990CA1272912A1 Method and a device for regulating pressure fluid cylinders
05/1990
05/30/1990EP0370451A2 Device for crimping terminals onto electrical leads
05/17/1990DE3838497A1 Device for the control of a hoist
05/17/1990DE3838496A1 Safety circuit for the control of hoists
05/08/1990US4922762 Tensioning gauge for saw blades
02/1990
02/27/1990US4904425 Method of reducing tension in webs of thermoplastic material
02/15/1990DE3925104A1 Appts. for regulating strip feed from coil into cold rolling stand - using signals relating to rate of rotation of feed-off coil and change in radius of coil
01/1990
01/25/1990DE3825127A1 Position control device for the operation of a hydraulic drive
01/17/1990EP0350980A1 Device for setting the warp tension on a weaving machine
12/1989
12/20/1989CN1006140B Tension control method for nutrunner
11/1989
11/07/1989US4878543 Method for controlling an attachment to agricultural tractors
10/1989
10/19/1989DE3811670A1 Method for the compensation of the change in the positioning force of an electromagnetic drive for a proportional valve caused by temperature-induced resistance changes
10/04/1989EP0335449A1 Force limiter, device and method of limiting contact force provided with such a force limiter
09/1989
09/06/1989EP0330718A1 Circuit for controlling the holding forre of a blank holder in a deep drawing press
06/1989
06/13/1989US4838173 Draw bar force sensing locomotive control system
04/1989
04/27/1989DE3835060A1 Verfahren und vorrichtung zur erzeugung einer beidseitig beschichteten wellpappenbahn Method and device for generation of a double-coated corrugated web
03/1989
03/14/1989US4812722 Multi-mode force control circuit
02/1989
02/07/1989US4802367 Tensile test controller
12/1988
12/28/1988CN88206920U Auto-controlling device for pulling force
11/1988
11/15/1988US4785223 Method of and an apparatus for generating a pulse train
09/1988
09/20/1988US4771674 Device for regulating pressure fluid cylinders
06/1988
06/16/1988WO1988004418A1 Tensile test controller
05/1988
05/10/1988CA1236317A1 Apparatus and method for prestretching and tensioning flexible drive members
02/1988
02/23/1988US4726729 Electric motor-actuated load clamp with clamping force control
02/09/1988CA1232659A1 Electric brake actuator system with compensation for non-linearity
01/1988
01/20/1988CN87103930A Three-d electro-hydraulic proportional syncro loading system for mat testing machine
11/1987
11/19/1987WO1987007049A1 Electrical tension adjuster for winding operations
11/12/1987DE3713915A1 Elektrische zugkraft-regelvorrichtung fuer wickelvorgaenge Electric traction regulating system for wickelvorgaenge
11/11/1987EP0244983A2 Electric motor-actuated load clamp with clamping force control
11/05/1987DE3614485A1 Electrohydraulic control device for lifting gear
08/1987
08/12/1987EP0231631A2 Motor control circuit for a simulated weight stack
05/1987
05/13/1987EP0221240A2 Tension control
03/1987
03/25/1987EP0215764A2 A method and a device for regulating pressure fluid cylinders
02/1987
02/24/1987US4644848 Electro-pneumatic pressure regulator for tools
12/1986
12/03/1986CN85106727A Jension control method for nutrunner
11/1986
11/11/1986US4622024 Apparatus and method for prestretching and tensioning flexible drive members
08/1986
08/20/1986CN85203371U Pulling force adjustable self-controlled force-measuring device
02/1986
02/05/1986EP0170478A2 An actuator system
04/1985
04/02/1985US4508284 Apparatus for controlling winding tension
01/1984
01/03/1984CA1159650A1 Process for controlling the drawing of an optical fibre from a glass preform and system utilizing such a process
12/1983
12/13/1983US4420123 Force rate sensor assembly
08/1983
08/02/1983US4396564 Method of producing tablets in a press and a tablet press for carrying out the method
05/1983
05/31/1983CA1147200A1 Three-point hitch draft control
02/1983
02/01/1983US4371332 Method of controlling the tension of a strip within furnace
03/1982
03/02/1982US4317666 Process and apparatus for controlling the drawing of an optical fibre from a glass preform
12/1981
12/08/1981US4304303 Three-point hitch draft control
11/1981
11/24/1981US4301757 Automatic thread tension control device of sewing machine
09/1981
09/23/1981EP0036203A1 Traction-resistance control for tractors
08/1981
08/18/1981US4284192 Chain conveyors having means for controlling chain tension
08/11/1981US4282766 Adjusting mechanism for regulating devices
03/1981
03/31/1981US4258707 Therapeutic traction apparatus for applying traction to a patient by means of a drawing cable
03/25/1981EP0025736A1 Process and apparatus for regulating the drawing of an optical fibre from a preform
01/1981
01/27/1981US4246807 Apparatus for control of a continuously variable belt drive for operating a vehicle
12/1980
12/09/1980US4238431 Method for the production of tablets and a tablet press
12/09/1980US4238084 Method of controlling winding tension
10/1980
10/07/1980CA1087283A1 Lift truck safety system having protection against component failure
10/07/1980CA1087282A1 Fork lift truck having means to test overload protective system
10/07/1980CA1087281A1 Lift truck overload protective circuit having override feature
08/1980
08/26/1980US4218956 Method and device for controlling a shock absorber
04/1979
04/24/1979US4150911 Control device for the laying of pipe in deep water
04/10/1979CA1052460A1 Warp tension controller
03/1979
03/06/1979CA1050137A1 Warp tension controller
02/1979
02/20/1979CA1048757A1 Surface structure for protection against repeated thermal shocks
11/1978
11/21/1978US4126817 Servo system for maintaining constant tension on a web
05/1978
05/09/1978US4088304 Winch system control mechanism for the simultaneous control of two winch motors
12/1977
12/13/1977US4062914 Method and apparatus for monitoring the compression force of pelleting press rams
06/1977
06/28/1977US4031923 Warp tension controller
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