Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 13 - Details of servomotor systems
Patents for F15B 13 - Details of servomotor systems (18,792)
10/1983
10/27/1983WO1983003644A1 Dual control input flow control valve
10/26/1983EP0092074A1 Control valve
10/26/1983EP0092064A2 Slide control device, in particular a spool of a directional valve
10/25/1983US4411289 Hydraulic valve
10/25/1983US4411189 Fluid flow controlling device
10/25/1983CA1155771A1 Hydrostatic adjustment device, more particularly a steering mechanism for motor-vehicles
10/13/1983WO1983003455A1 Fluid control devices
10/12/1983EP0091348A1 Governor valve for the simultaneous supply of hydraulic closed and open centre systems
10/12/1983EP0091018A1 Position control for a double acting hydraulic motor
10/11/1983US4408633 Hydraulic control valve mechanism
10/06/1983EP0056369A4 Pressure reducing valve for dead engine lowering.
10/06/1983EP0056024A4 Pressure reducing valve with floating stem for make-up vent.
10/06/1983EP0053608A4 Valve system.
10/05/1983EP0090129A2 Fluid flow control apparatus
10/04/1983US4407122 Power transmission
09/1983
09/29/1983WO1983003284A1 Pressure compensated fluid control valve with maximum flow adjustment
09/28/1983EP0089652A2 Power transmission
09/28/1983EP0089447A2 Hydraulic piloting device for remote control
09/27/1983US4406307 Directional valve with spool transfer loop
09/27/1983US4406305 Control valve
09/27/1983CA1154349A1 Pressure reducing valve with floating stem for make- up vent
09/20/1983US4404897 Fluidic repeater
09/14/1983EP0088406A2 Control valve for double-acting piston and cylinder assembly
09/14/1983EP0088357A1 Directional valve
09/06/1983US4402336 Hydraulic flow dividing and integrating equipment
09/06/1983US4402254 Pneumatic starter device
08/1983
08/31/1983EP0087003A1 Flow divider
08/30/1983US4401009 Closed center programmed valve system with load sense
08/30/1983CA1152859A1 Control valves
08/24/1983EP0086632A2 Control valve
08/23/1983US4399836 Self-contained closed-loop electrically operated valve
08/23/1983US4399734 Power assist device for control system
08/18/1983WO1983002813A1 Hydraulic control device
08/17/1983EP0085962A2 Hydraulic control system especially for swinging loads
08/17/1983EP0085674A1 Load responsive fluid control valve.
08/16/1983CA1151999A1 Manual override control for double-acting actuator
08/02/1983US4396037 Electro-hydraulic control valve
07/1983
07/27/1983EP0084501A1 Distributor for a hydraulic servomechanism
07/27/1983EP0084487A2 Hydraulic distributor with reaction on the control member
07/27/1983EP0084215A2 Improvements in or relating to control of pneumatic motors
07/27/1983EP0084213A2 Pilot control valve for load sensing hydraulic system
07/26/1983CA1150590A1 Flow and pressure compensated valves and pump circuits incorporating the same
07/20/1983EP0083688A2 Electro-hydraulic pilot-operated proportional throttle valve
07/19/1983CA1150138A1 Hydraulic sequencing valve
07/12/1983US4392677 Connecting device for pneumatic apparatus
07/12/1983US4392415 Control for dead engine lower
07/07/1983WO1983002305A1 Load responsive fluid control valve
07/05/1983US4391183 Hydraulic blocking valve
06/1983
06/29/1983EP0082617A1 Flow regulating valve
06/29/1983EP0082469A2 Housing for receiving the electrical components required for switching a coil of a magnet of a hydraulic valve or the like
06/28/1983US4390158 Electro hydraulic servo valve
06/28/1983CA1148835A1 Control valves
06/22/1983EP0082048A1 Hydraulic directional control valve
06/22/1983EP0081941A2 Hydraulic valve
06/22/1983EP0081909A1 Hydraulic jack device
06/22/1983EP0081703A1 Electro-hydraulic actuator
06/21/1983US4388946 Valves
06/14/1983US4387739 Valve module for digital coolant control system
06/08/1983EP0080888A2 Electro-mechanical direct drive valve servo system with rotary to linear valve drive mechanism
06/07/1983US4386626 Proportional valve for hydraulic systems
06/01/1983EP0080135A1 Hydraulic control system for a hydraulic actuator
05/1983
05/31/1983CA1147237A1 Fluid pressure control valve
05/25/1983EP0079870A2 Hydraulic valve means
05/18/1983EP0016074B1 Pneumatically operated control valve for pneumatic control at low pressure and working pressure
05/16/1983EP0077770A4 Pulse width modulated constant current servo driver.
05/11/1983WO1983001662A1 Digital drive control of compensated valves
05/04/1983EP0077770A1 Pulse width modulated constant current servo driver.
05/03/1983US4381797 Flow control valve with a non-rising stem
05/03/1983US4381701 Servomotor featuring a servovalve controlling a hydraulic drum motor
05/03/1983CA1145646A1 Electrohydraulic proportional valve
04/1983
04/27/1983EP0077598A1 Electrohydraulic doser actuator
04/05/1983CA1144005A1 Flow control valve
03/1983
03/31/1983WO1983001095A1 Hydraulic valve means
03/30/1983EP0075507A1 Electrohydraulic servo valve device
03/29/1983US4378031 Electrohydraulic servovalve
03/23/1983EP0074581A1 Device for regulating a hub or an angular displacement independently of the load and proportionally to an input signal
03/22/1983US4377183 Adjustable flow restricting valve
03/16/1983EP0074254A1 Hydraulic control valve
03/16/1983EP0073887A2 Hydraulic control apparatus
03/15/1983US4376453 Hydraulic distributor
03/09/1983EP0073268A1 Electro-hydraulic control of an actuator piston
03/08/1983CA1142411A1 Proportional valve for hydraulic systems
03/03/1983WO1983000728A1 Load responsive fluid control valve
03/03/1983WO1983000727A1 Pressure compensated fluid control valve
03/02/1983EP0073148A2 Hydraulic control system
03/02/1983EP0072793A1 Control for dead engine lower.
03/01/1983USRE31161 Safety valve assembly for controlling clutch and brake in power press or the like
03/01/1983US4375223 Dial operated pressure regulator
03/01/1983CA1142057A1 Power transmission
02/1983
02/23/1983EP0072753A2 Pressure fluid modular distribution system
02/15/1983CA1141304A1 Pressure compensated steering system
02/15/1983CA1141266A1 Fluid motor control circuit with fast-acting quick-drop valve
02/15/1983CA1141264A1 Hydrostatic steering controller with pressure dams
02/15/1983CA1141260A1 Power transmission control valve detent
02/09/1983EP0070973A1 Servo control valve, in particular for a hydraulic servocontrolled airplane
02/08/1983US4372335 Flow divider valve assembly
01/1983
01/25/1983CA1140023A1 Pressure regulator and flow control valve with pre-exhaust
01/18/1983US4368750 Ball-type feedback motor for servovalves
01/18/1983CA1139635A1 Valve with internal accumulator and check valve
01/11/1983US4367765 Flow regulator for hydraulic circuits
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