Patents
Patents for G05D 17 - Control of torque; Control of mechanical power (1,130)
01/1991
01/22/1991US4987358 Electronic torque switch
12/1990
12/18/1990US4977782 Device for measuring the torque of a valve moved by an actuator
10/1990
10/31/1990CN1046472A Chlorine-resistant semipermeable membranes
10/04/1990WO1990008994A3 System to control a motor for the assembly or dis-assembly of two members
10/02/1990US4961035 Rotational angle control of screw tightening
09/1990
09/25/1990US4959598 Method and apparatus for controlling torque of a door opening and closing motor for an automatic door
09/20/1990WO1990010494A1 Chlorine-resistant semipermeable membranes
08/1990
08/21/1990CA1273056A1 Turbine helper drive apparatus
08/16/1990EP0382275A1 Method and apparatus for making frozen confection material
08/09/1990WO1990008994A2 System to control a motor for the assembly or dis-assembly of two members
08/07/1990US4946001 Apparatus and method of controlling electric power steering apparatus
07/1990
07/31/1990US4945481 System for integrally controlling automatic transmission and engine
07/17/1990US4941554 Hydraulic torque resistance device
06/1990
06/27/1990EP0230470B1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine
06/14/1990WO1990006441A1 Method and apparatus for controlling the torque of an engine
05/1990
05/22/1990US4928227 Method for controlling a motor vehicle powertrain
05/08/1990US4922869 Torque controlling apparatus for internal combustion engine
05/01/1990US4921009 Torque control system
04/1990
04/17/1990US4918361 Torque transmitting apparatus
04/10/1990US4916375 Servomotor control apparatus
03/1990
03/20/1990US4908926 Method of and apparatus for controlling nut runner
03/14/1990EP0358167A2 Torque control system for engine performance test machine for internal combustion engines
01/1990
01/16/1990US4894767 Method for yield tightening of screws
12/1989
12/27/1989EP0347764A2 Device for measuring the torque of an armature movable by an actuator
12/26/1989US4890046 Numerical control apparatus
10/1989
10/25/1989EP0338485A2 Torque controlling apparatus for internal combustion engine
09/1989
09/27/1989EP0334153A1 Electric actuator
09/12/1989US4864903 Apparatus and method of determining torque, presenting digital torque readout and automatic cycling and termination of wrench operation
08/1989
08/23/1989CN2043385U Intelligence executing device
07/1989
07/27/1989WO1989006610A1 Drive slippage control system
07/27/1989DE3801323A1 Antriebsschlupfregelsystem Traction control system
07/06/1989DE3743152A1 Method for controlling the torque of an internal combustion engine
06/1989
06/14/1989EP0319925A2 System for controlling automotive automatic transmission
05/1989
05/16/1989US4830885 Chlorine-resistant semipermeable membranes
04/1989
04/25/1989US4825372 System for integrally controlling automatic transmission and engine
03/1989
03/30/1989DE3738679A1 Einrichtung und verfahren zur bestimmung und anzeige des drehmomentes an druckmittelbetriebenen schraubwinden sowie zur automatischen betaetigung und beendigung der betaetigung solcher schraubwinden Appliances and Method for the determination and display of torque at fluid-operated screw jacks as well as for automatic actuation and termination of the operation of these screw jacks
03/08/1989CN1031593A Electric actuator for control valve
03/07/1989US4811224 Blocking circuit for transmission shifting responsive engine torque reducer
03/01/1989EP0304526A2 Electric actuator for a control valve
02/1989
02/14/1989US4804505 Method of operating a screw extruder and screw extruders for carrying out said methods
02/08/1989EP0302493A2 Torque control apparatus for rotating motor machine
01/1989
01/05/1989DE3721065A1 Equipment for operating a positioning drive
12/1988
12/27/1988US4794309 Electric actuator for a control valve
12/20/1988US4791838 Apparatus and method for determining torque, presenting digital torque readout and automatic cycling and termination of wrench operation in a torque wrench system
12/08/1988DE3718312A1 Device equipped with multiple pistons and with flywheels and intended for the maintenance of a constant torque
11/1988
11/30/1988EP0292575A1 Servo motor controller
11/30/1988EP0292574A1 Numerical controller
11/29/1988US4787136 Control and monitoring arrangement for tools
07/1988
07/26/1988US4759705 Switching control system for unit torque limit value of servo motor for injection molding machine
07/19/1988US4758967 Computer simulated inertia for motor vehicle powertrain testing
07/05/1988US4754612 Method for optimizing the mechanical output of a fluid pressure free piston engine
06/1988
06/16/1988WO1988004446A1 Servo motor controller
06/16/1988WO1988004445A1 Numerical controller
05/1988
05/11/1988EP0266478A2 Command and control device for a tool
05/10/1988US4744032 Transmission ratio control apparatus of toroidal type infinitely variable transmission
04/1988
04/05/1988US4736143 Torque control apparatus for rotary machine
02/1988
02/10/1988CN86206665U 转矩传感节能装置 Torque sensing energy-saving devices
01/1988
01/26/1988US4721861 Turbine helper drive apparatus
01/05/1988CA1230988A1 Electric actuators
10/1987
10/20/1987US4701853 Control device in continuously variable transmission system for vehicle
10/15/1987DE3712085A1 Electronically open-loop and/or closed-loop controlled massaging device
09/1987
09/02/1987EP0235009A1 Method and machine for controlling the blocked or screwed state of a rotative coiled member
08/1987
08/05/1987EP0230470A1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine
07/1987
07/01/1987EP0227014A1 Turbine helper drive apparatus
06/1987
06/24/1987CN86204691U Miniature force moment controlling instrument for power tools
04/1987
04/28/1987US4660697 Slip clutch device control method
04/22/1987EP0219290A2 Torque control apparatus for rotary machine
03/1987
03/11/1987CN85204420U Adjusting organ for eccentric force moment and displaying device thereof
03/10/1987US4649329 Electric actuators
01/1987
01/02/1987DE3521937A1 Method for controlling a mechanical stress in a nut driver
11/1986
11/06/1986WO1986006319A1 System for switching and controlling unit amount of torque limit value of servo motor for injection molding machine
11/04/1986US4620450 Method of evaluating tightening condition of screw
10/1986
10/08/1986EP0196377A1 Belt type torque control system
09/1986
09/23/1986US4613800 Servo system for measuring and controlling the amount of torque being applied to rotating tools and method
09/17/1986EP0194992A2 Device for varying the angular relationship of two coupled elements depending on rotational speed
09/16/1986CA1211534A1 Helicopter seat isolation system
08/1986
08/12/1986US4606005 Driveline control system
08/05/1986US4604036 Torque control apparatus for enclosed compressors
07/1986
07/16/1986EP0187353A2 Power-driven screwing device with torque limitation
05/1986
05/13/1986US4589071 Method and apparatus for controlling reduction ratio of continuously variable transmission with acceleration compensation
02/1986
02/12/1986EP0171058A2 Method of evaluating tightening condition of screw
12/1985
12/18/1985EP0164846A2 Electric motor driven actuator with variably adjustable torque limiting device
12/04/1985EP0163408A2 Electric motor driven actuator with spring biased variably adjustable force limiting device
07/1985
07/30/1985US4532597 Digital inertia compensation generator and reel motor drive system embodying the same
06/1985
06/26/1985EP0145841A2 Torque control apparatus for enclosed compressors
05/1985
05/21/1985US4519039 Digital coil diameter function generator and reel motor drive system embodying the same
04/1985
04/02/1985CA1184832A1 Input torque control for a variable displacement hydraulic transmission
07/1984
07/31/1984US4462210 Input torque control for a variable displacement hydraulic transmission
05/1984
05/29/1984US4450727 Digital retorque measuring apparatus
10/1983
10/26/1983EP0092227A1 Method for controlling reduction ratio of continuously variable transmission with acceleration compensation
01/1983
01/25/1983US4370100 Regulating devices for hydrostatic drive units
12/1982
12/21/1982CA1138073A2 Tension control of fasteners
12/14/1982CA1137595A2 Tension control of fasteners
08/1982
08/24/1982CA1130422A1 Tension control of fasteners
09/1981
09/22/1981CA1109547A1 Mixer control system
08/1981
08/25/1981US4286324 Prime mover fuel efficiency control system
07/1981
07/28/1981CA1106040A1 Torquing tool control circuit
06/1981
06/16/1981US4273517 Control device for an axial piston machine
04/1981
04/07/1981US4259869 Method and apparatus for inspection and fail-safe control of threaded joint tightening processes
03/1981
03/17/1981CA1097772A1 Method and apparatus for fastener tensioning
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