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)
07/1984
07/31/1984US4462426 Valve arrangement
07/25/1984EP0113724A1 Fully compensated fluid control valve.
07/25/1984EP0113708A1 Dual control input flow control valve.
07/24/1984US4461449 Integral hydraulic blocking and relief valve
07/24/1984US4461320 Manually operable hydraulic control device with hydraulic position retention
07/24/1984US4461314 Electrohydraulic valve
07/10/1984US4458841 Function control module for air treating systems
07/10/1984CA1170543A1 Pressure reducing valve for dead engine lowering
07/03/1984US4457681 Volume ratio control means for axial flow helical screw type compressor
07/03/1984US4457341 Variable pressure drop proportional motor controlled hydraulic directional valve
06/1984
06/27/1984EP0111958A1 Connection device for block form elements in general, in particular for hydraulics
06/26/1984US4456168 Modular fluid control apparatus and method of making
06/26/1984US4456031 Electro-hydraulic servo valve system
06/20/1984EP0111007A1 Control valve linking device
06/19/1984CA1169334A1 Power transmission
06/13/1984EP0110289A1 Equalizing valve
06/13/1984EP0110126A1 Electromagnetic spool valve
06/12/1984US4453697 Remote air operator for an air valve, with manual override and indicator
06/12/1984US4453565 Four-way valve with cover mounted pressure regulating and flow control valve
06/12/1984US4453453 Hydraulic control device
06/12/1984CA1168957A1 Power transmission
05/1984
05/29/1984US4450866 Device for controlling a flowthrough cross section in a control line
05/29/1984US4450865 Hydraulic power slide valve, especially designed for public work equipment
05/29/1984CA1168127A1 Control and relief valves
05/22/1984US4449691 Electromagnet
05/22/1984US4449442 Hydraulic valve control and feedback utilizing a harmonic drive differential
05/22/1984CA1167736A1 Fully compensated fluid control valve
05/09/1984EP0107740A1 Multi-way valve
05/01/1984US4445666 Hydraulic jack device
05/01/1984US4445541 Hydraulic remote control joystick
04/1984
04/27/1984EP0096031A4 Load responsive fluid control valve.
04/27/1984EP0072793A4 Control for dead engine lower.
04/25/1984EP0105895A1 Fluid control device
04/24/1984CA1166097A1 Power assist device for control system
04/17/1984US4442855 Fail-safe single-stage servovalve
04/10/1984US4441686 Electrohydraulic pressure-regulating valve
04/10/1984US4441523 Sequencing valve
03/1984
03/27/1984CA1164354A2 Fluid controller
03/27/1984CA1164311A2 Fluid controller
03/27/1984CA1164310A2 Fluid controller
03/27/1984CA1164309A2 Fluid controller
03/21/1984EP0103250A1 Fluid control control valve
03/20/1984US4437388 Dual input pressure compensated fluid control valve
03/20/1984US4437385 Electrohydraulic valve system
03/20/1984CA1163897A1 Electro-hydraulic actuator system
03/14/1984EP0102884A1 Direct drive servo valve
03/13/1984US4436115 Pressure compensated fluid control valve with maximum flow adjustment
03/13/1984US4436114 Hydraulic valve mechanism
03/13/1984US4436020 Dual input pressure compensated fluid control valve
03/13/1984US4436019 Pressure compensated fluid control valve
03/13/1984CA1163528A1 Power transmission
03/06/1984US4434966 Electro-hydraulic proportional control valve
03/06/1984US4434708 Control valve for double-acting piston and valve assemblies
03/06/1984CA1163165A1 Fluid flow control
02/1984
02/28/1984US4433615 Blocking and thermal relief valve
02/22/1984EP0100973A1 Proportional hydraulic valve for precision control
02/16/1984WO1984000606A1 Volumetric control device for fluids
02/15/1984EP0100589A1 Flow divider-combiner valve
02/14/1984US4430927 Hydraulic valves
02/08/1984EP0100137A2 Pilot operated directional control valve
02/07/1984US4429708 Fluid flow control
01/1984
01/31/1984US4428559 Direct drive type servo valve
01/31/1984US4428400 Electrically and hydraulically actuated flow-distributing valve unit
01/25/1984EP0099134A2 Fluid control valve apparatus
01/24/1984CA1160940A1 Nozzle force feedback for pilot stage flapper
01/19/1984WO1984000197A1 Fully compensated fluid control valve
01/18/1984EP0098719A2 Hydraulic valve with dual feedback control
01/17/1984CA1160538A1 Power transmission
01/03/1984CA1159747A1 Flow distribution system for pressure medium
12/1983
12/28/1983EP0096963A2 Load sensing system
12/28/1983EP0096751A2 Electropneumatic pilot stage for a pneumatic servo valve
12/27/1983US4422475 Variable gain servo controlled directional valve
12/21/1983EP0096031A1 Load responsive fluid control valve
12/20/1983US4421135 Hydraulic selector valve having joy stick control
12/20/1983US4421012 Control circuit throttling valve
12/20/1983CA1158960A1 Pressure detent mechanism
12/20/1983CA1158959A1 Hydraulic valve detent mechanism
12/20/1983CA1158956A1 Load responsive fluid control valve
12/13/1983CA1158492A1 Balanced pivoted vane valve
12/08/1983WO1983004289A1 Control valve linking device
12/07/1983EP0095782A1 Hydraulic precision control valve
12/06/1983US4418710 Pilot control valve for load sensing hydraulic system
12/06/1983US4418612 Power transmission
11/1983
11/22/1983US4416304 Fully compensated fluid control valve
11/22/1983US4416189 Fully compensated fluid control valve
11/15/1983US4415004 Pneumatic switch
11/15/1983CA1156908A1 Power transmission
11/10/1983WO1983003882A1 Control device
11/09/1983EP0093360A2 Multiple way valve adaptable to different operating conditions
11/09/1983EP0093359A1 Multiple-way spool valve
11/09/1983EP0093348A2 Electro-hydraulic servo valve system
11/09/1983EP0093340A2 Electropneumatic servo valve for a volume flow or pressure control
11/09/1983EP0093150A1 Digital drive control of compensated valves
11/08/1983US4413650 Hydraulic spool valves with controlled by-pass
11/08/1983US4413648 Hydraulic valves
11/08/1983US4413547 Servo-control device for aircraft flight control
11/02/1983EP0093106A2 Positioner having user-adjustable dynamic response
11/02/1983EP0092637A2 Apparatus with staged pressure differential for controlling fluid flow
11/01/1983US4412789 Oil pump unit
11/01/1983CA1156128A1 Control for dead engine lower
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