| Patents for F15B 13 - Details of servomotor systems (18,792) |
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| 08/03/1994 | EP0423362B1 Counterbalance valve |
| 08/03/1994 | CN2173318Y Moving valve sleeve slide valve type valve for stopping flow |
| 08/02/1994 | US5333647 Manifold valve |
| 08/02/1994 | US5333645 Height control valve and dump valve therefor |
| 08/02/1994 | US5333449 Pressure compensating valve assembly |
| 07/27/1994 | EP0608136A1 Pneumatic control valve system |
| 07/27/1994 | EP0607903A2 Flow control valve with pilot operation and pressure compensation |
| 07/27/1994 | EP0549628B1 Control device for hydraulic piston/cylinder unit |
| 07/26/1994 | US5331883 Hydraulic valve means |
| 07/26/1994 | US5331882 Control valve system with float valve |
| 07/21/1994 | WO1994016252A1 Distribution beam |
| 07/20/1994 | EP0607108A2 A method for controlling a hydraulic motor and a hydraulic valve therefor |
| 07/20/1994 | EP0396760B1 Operation valve device |
| 07/20/1994 | CN2172364Y Pressure adaptation multi-way orientable valve |
| 07/13/1994 | EP0606048A1 Fluid valve assembly |
| 07/13/1994 | CN2171714Y Ring cover valve |
| 07/12/1994 | US5328148 Control device for hydraulic piston/cylinder unit |
| 07/12/1994 | US5328147 Two stage pressure control valve |
| 07/12/1994 | US5327936 Spool valve with self-centering mechanism |
| 07/07/1994 | WO1994015128A1 Control valve with electromagnetic type proportional pressure reducing valve |
| 07/07/1994 | WO1994015103A1 Operation valve equipped with pressure compensation valve |
| 07/07/1994 | DE4400115A1 Durchführungsspule für ein pneumatisches Ventil Implementing coil for a pneumatic valve |
| 07/07/1994 | DE4400114A1 Electrical connector for pneumatic control valve |
| 07/07/1994 | DE4301308A1 Cartridge-type hydraulic valve |
| 07/06/1994 | EP0604805A1 Actuating device for hydraulic actuator with pressure proportional control signal |
| 06/30/1994 | DE4244292A1 Three- or two-way valve for gas flow |
| 06/29/1994 | EP0604263A1 Actuator especially for moving thrust nozzles of a missile |
| 06/29/1994 | EP0603421A1 Inertial body driving unit |
| 06/29/1994 | EP0603395A1 Fluid pressure apparatus |
| 06/29/1994 | CN2170400Y Combination change valve |
| 06/29/1994 | CA2112002A1 Operating mechanism for a hydraulic actuator having a pressure-proportional actuating signal |
| 06/28/1994 | US5323999 Microstructure gas valve control |
| 06/23/1994 | WO1994013961A1 Arrangement for controlling a pressure fluid operated apparatus |
| 06/23/1994 | WO1994013958A1 Hydraulic system |
| 06/23/1994 | WO1994013524A1 Controlled proportional valve |
| 06/22/1994 | EP0397840B1 Hydraulic circuit |
| 06/16/1994 | DE4241558A1 Servo steering for motor vehicle - with working pressure differential which attempts to move control piston in direction to lower differential |
| 06/15/1994 | EP0601995A1 Proportional valve with displacement sensor |
| 06/15/1994 | EP0600879A1 Modular pneumatic control systems |
| 06/14/1994 | US5320497 Vacuum feeding apparatus |
| 06/14/1994 | US5319932 Power sensing regenerator |
| 06/09/1994 | DE4244226C1 Control valve for fluid pressure media - has bush fitted in hole of housing block and contg. slider hole in which control slider is longitudinally displaceable under effect of axial control force |
| 06/09/1994 | DE4240802A1 Electropneumatic transducer with pressure-controlled discrete settings - has three-position displacement valve in main stage regulating pressure of air supplied to nozzle and baffle of auxiliary stage |
| 06/07/1994 | US5318072 Valve battery for gaseous fluids |
| 06/07/1994 | US5317953 Neutral-centering valve control system |
| 06/01/1994 | EP0354972B1 Valve device |
| 05/31/1994 | US5316044 Hydraulic control valve having a centering spring device |
| 05/31/1994 | US5315827 Apparatus for switching flow rate for attachment |
| 05/31/1994 | US5315826 Hydraulic drive system and directional control valve |
| 05/26/1994 | WO1994011639A1 High-speed and high-load cylinder device |
| 05/25/1994 | CN2166271Y Multi-way liquid control link change valve |
| 05/25/1994 | CN1087161A 液压阀 Hydraulic valve |
| 05/24/1994 | US5314118 Piezoelectric controllable nozzle resistance for hydraulic apparatus |
| 05/24/1994 | US5313983 Remote hydraulic control systems |
| 05/19/1994 | DE4238331A1 Servo valve for control of hydraulic system fluid flow and fluid pressure - has simple slide element with linear motion and flow-restricting passages on both sides |
| 05/19/1994 | DE4238237A1 Fluid flow control device - has pivotable armature alternately contacting outer legs of E shaped magnet. |
| 05/18/1994 | EP0399044B1 Hydraulic servo valve |
| 05/11/1994 | WO1994010457A1 Pressure control valve for a hydraulic actuator |
| 05/11/1994 | WO1994010456A1 Hydraulic control valve device and hydaulically driving device |
| 05/11/1994 | WO1994010454A1 Pressure oil supply system having a pressure compensating valve |
| 05/11/1994 | EP0596354A2 Transmission engagement override system |
| 05/11/1994 | EP0596214A1 Solenoid operated valve |
| 05/11/1994 | EP0596140A1 Hydraulic driving system |
| 05/10/1994 | US5309944 Electromagnetic proportional pressure reducing valve |
| 05/10/1994 | US5309936 Poppet configuration for counterbalance valve |
| 05/10/1994 | US5309935 Device for converting an electric current signal into a mechanical correcting variable |
| 05/05/1994 | DE4237087A1 Magnetic valve with progressive resetting spring - with exponential force characteristic matched to magnetic force characteristic of operating electromagnet |
| 05/05/1994 | DE4236846A1 Regulated electro hydraulic actuator for control of steam turbine valve - has main spool valve controlled by pilot stage having a electromagnetic actuator responding to actuator position signal |
| 05/04/1994 | CN2163893Y High-speed electromagnetic switch valve |
| 05/04/1994 | CN1024429C General-purpose integrated hydraulic controlling valve |
| 05/03/1994 | US5307630 System pressure compensated variable displacement hydraulic motor |
| 05/03/1994 | CA2102173A1 Transmission engagement override valve |
| 05/03/1994 | CA1329109C Multi-port self-regulating proportional pressure control valve |
| 04/28/1994 | WO1994009278A1 Hydraulic pilot valve |
| 04/28/1994 | DE4235929A1 Cylinder adjustment device for camshaft adjustment - has pocket bore for pilot valve with piston guided by overlapping control edges |
| 04/27/1994 | EP0593782A1 Hydraulic circuit device for construction machines |
| 04/26/1994 | US5305789 Hydraulic directional control valve combining pressure compensation and maximum pressure selection for controlling a feed pump, and multiple hydraulic control apparatus including a plurality of such valves |
| 04/26/1994 | US5305782 Pneumatic control valve system |
| 04/21/1994 | DE4234742A1 Valve unit for position control of harvester - has pressure-limiting valve and non-return valve, spring for latter being weaker than for former |
| 04/21/1994 | DE4234531A1 Slider valve for use with compressed air - has set of valve discs combined with retainer forming pre-assembled group contained in cassette insertable in valve housing |
| 04/20/1994 | EP0592755A1 Hydraulic unit |
| 04/20/1994 | CN2162552Y 数控阀 NC valve |
| 04/20/1994 | CN2162551Y Direction control valve for pressure fluid |
| 04/20/1994 | CA2108616A1 Post-pressure compensator assembly for fluid control valve |
| 04/19/1994 | US5303727 Fluidic deflector jet servovalve |
| 04/14/1994 | DE4234037A1 Hydraulic valve system for mobile equipment - has monoblock construction with pair of parallel spools one of which is used for load and second as regulating stage |
| 04/14/1994 | DE4234035A1 Distributing valve for driving hydraulic load, esp. mobile machinery - has control valve arranged with counter piston in blind bore in control piston casing |
| 04/14/1994 | DE4234034A1 Distributing valve for driving hydraulic load, esp. mobile machinery - has load maintenance valve arranged with valve body in blind bore in control piston casing |
| 04/12/1994 | US5301717 Valve base plate assembly |
| 04/07/1994 | DE4333788A1 Fluid control valve with adjustable operating point - includes springloaded slide with coupling to actuator piston and with adjustment stop to control load |
| 04/06/1994 | EP0590339A1 Directional valve |
| 04/06/1994 | CN2160789Y Super-high-pressure liquid filling valve for hydraulic press |
| 04/06/1994 | CN2160788Y multi-way liquid control linked valve |
| 04/06/1994 | CN2160787Y Two-stage leader unload valve |
| 04/06/1994 | CA2107626A1 Pilot pressure sub-assembly for fluid control valve |
| 04/05/1994 | US5299600 Analog proportional pressure control three-way valve |
| 03/31/1994 | WO1994007067A1 Valve arrangement, in particular electromagnetic valve arrangement for slip controlled motor vehicle brake systems |
| 03/30/1994 | EP0589629A1 Control of two stage valves |
| 03/30/1994 | CN2160031Y High precision flow divider-combiner |
| 03/29/1994 | US5297469 Linear fluid power actuator assembly |