| Patents for F15B 13 - Details of servomotor systems (18,792) |
|---|
| 09/17/1987 | DE3628564C1 Intermediate housing with contact plate |
| 09/16/1987 | EP0237449A2 Apparatus for supplying fluid to a hydraulic, pneumatic or hydropneumatic installation |
| 09/16/1987 | CN86100520A Precursory low power electromagnetic valves |
| 09/15/1987 | US4693272 Post pressure compensated unitary hydraulic valve |
| 09/09/1987 | EP0235451A1 Directional control valve |
| 09/09/1987 | EP0163688B1 A pilot oil supply arrangement |
| 09/08/1987 | US4691618 Hydraulic control valve |
| 08/27/1987 | DE3606237A1 Double-travel brake valve |
| 08/26/1987 | CN87102355A High water base cone valve type electro-hydraulic reversal valve |
| 08/26/1987 | CN87102336A Cone valve type electro-hydraulic reversal valve |
| 08/26/1987 | CN87100272A Distributor block for control system of support |
| 08/25/1987 | US4688600 Multiway valve with pressure balance |
| 08/25/1987 | US4688470 Compensated fluid flow control valve |
| 08/25/1987 | US4688381 Hydraulic control arrangement |
| 08/18/1987 | US4687177 Device for adjusting the switching time of a valve member |
| 08/18/1987 | CA1225568A1 Three-way proportional valve |
| 08/13/1987 | WO1987004762A1 Hydraulic actuator circuit with chamber bypass controlled by negative load pressure directing valve |
| 08/13/1987 | DE3603811A1 Hydraulic directional control valve |
| 08/13/1987 | DE3603630A1 Control arrangement for at least two hydraulic consumers fed by at least one pump |
| 08/12/1987 | EP0232014A2 Energy-conserving servomechanisms |
| 08/12/1987 | EP0231876A2 Hydraulic pressure control system |
| 08/12/1987 | EP0231696A1 Regulator, particularly for turbomachine with electro-hydraulic interface for quick assembly |
| 08/12/1987 | EP0231577A1 Rotary flow control apparatus |
| 08/12/1987 | CN85205289U Antipollution controlling valve with self-protection from initial bearing force |
| 08/12/1987 | CN85109329A Precursory overflow valve |
| 08/11/1987 | US4685295 Control device for a hydraulically operated consumer |
| 08/05/1987 | EP0230529A2 Valve arrangement for hydraulic accumulator |
| 08/04/1987 | US4683915 Pilot controlled valves |
| 08/04/1987 | US4683914 Slide valve |
| 07/29/1987 | EP0230392A1 Distributor for hydraulic fluid under pressure |
| 07/29/1987 | EP0229817A1 Method and device for regulating a fluid flow to hydraulic or pneumatic drive means |
| 07/28/1987 | US4682629 Electromagnetic proportional valves |
| 07/28/1987 | US4682531 Apparatus and method for regulating the rate of change of flow of a fluidized medium |
| 07/23/1987 | DE3601643A1 Hydraulic control arrangement for the rapid motion of consumers |
| 07/23/1987 | DE3601563A1 Pneumatic control valve |
| 07/21/1987 | US4682063 Control motor for a servo valve |
| 07/21/1987 | CA1224383A1 Fluid operated system |
| 07/16/1987 | DE3629479A1 Directional control valve |
| 07/15/1987 | CN86203693U Energy-saving speed-increasing valve |
| 07/14/1987 | US4679765 Low leakage orifice-controlled poppet valve |
| 07/14/1987 | US4679591 Servovalve drive electronics improvements |
| 07/14/1987 | US4679492 Compensated fluid flow control valve |
| 07/14/1987 | CA1224114A1 Pressure proportioning valves |
| 07/08/1987 | CN86107539A Pressure reducing valve with hydraulic air-operated accumulator |
| 07/01/1987 | EP0227209A1 Pilot valves for two-stage hydraulic devices |
| 06/30/1987 | CA1223505A1 Demand responsive flow control valve |
| 06/24/1987 | CN86201814U Balanced valve |
| 06/23/1987 | US4674539 Rotary servo valve |
| 06/23/1987 | CA1223174A1 Direct solenoid operated valve with minimal tolerance accumulation |
| 06/19/1987 | DE3643110A1 Directional control valve with loading indication |
| 06/17/1987 | CN86203639U Electro-hydraulic efflux servo valve |
| 06/17/1987 | CN85108802A Alternate hydraulic pulse valve with multiphase and multipath |
| 06/16/1987 | US4672992 Direct drive valve-ball drive mechanism |
| 06/10/1987 | EP0224936A2 Proportional directional valve with single pressure balance |
| 06/10/1987 | EP0224478A1 Load sensing circuit of load responsive direction control valve. |
| 06/09/1987 | US4671600 Power feeder for electromagnetic valve |
| 06/02/1987 | US4669494 Hydraulic lock valve with partial return to tank for marine steering |
| 05/27/1987 | DE3540553A1 Silent directional control valve |
| 05/27/1987 | CN86106267A High sensitivity magnetic actuator |
| 05/26/1987 | US4667930 Metering slot configuration for a valve spool |
| 05/26/1987 | US4667698 Hydraulic distributor |
| 05/26/1987 | US4667571 Hydraulic control system |
| 05/26/1987 | US4667570 Integral hydraulic blocking and relief valve |
| 05/20/1987 | CN86106036A Hydraulically operated loop apparatus for operating reversal valve |
| 05/20/1987 | CN85204523U Multi-functional hydraulic and electro-hydrodynamical reversing valve |
| 05/19/1987 | US4665801 Compensated fluid flow control valve |
| 05/19/1987 | US4665699 Hydrostatic drives |
| 05/14/1987 | DE3540061A1 Multi-way valve with pressure balance |
| 05/12/1987 | US4664356 Control valve |
| 05/12/1987 | US4664152 Flow control valve with replaceable cartridge subassembly having multi-tubular construction |
| 05/12/1987 | US4664135 Pilot valve |
| 05/06/1987 | CN86201695U Piston type lead overflow valve |
| 05/05/1987 | US4662601 Hydraulic valve means |
| 05/05/1987 | US4662600 Adjustable throttle valve |
| 04/30/1987 | DE3538394A1 Multi-way valve |
| 04/28/1987 | US4660589 Optical feedback loop system for a hydraulic servovalve |
| 04/28/1987 | US4660380 Hydraulic control arrangement |
| 04/23/1987 | WO1987002428A1 Compressed air selector |
| 04/22/1987 | EP0219052A2 Hydraulic control device |
| 04/22/1987 | EP0218901A2 Pilot hydraulic system for operating directional control valve |
| 04/21/1987 | US4658850 Flow control valve with switching valve |
| 04/16/1987 | DE3536218A1 Two-way flow controller |
| 04/15/1987 | EP0218430A2 Magnetic actuator |
| 04/15/1987 | CN85107287A Rotary fluid transfer device |
| 04/08/1987 | EP0147392B1 Flow control valve assembly with quick response |
| 04/07/1987 | US4655254 Control valve, in particular an electrohydraulic control valve |
| 04/07/1987 | US4655250 Open center unloading valve |
| 04/02/1987 | DE3533923A1 Electrohydraulic amplifier transformer |
| 04/01/1987 | EP0216675A1 Coaxial multifunctional insertable cartridge valves, and their use in the control of a double effect actuator |
| 03/26/1987 | DE3532897A1 Control arrangement for a hydraulically driven implement attached in particular to an agricultural vehicle |
| 03/25/1987 | CN85202888U 3-way plug-in electric controlled liquid ratio direction valve |
| 03/24/1987 | US4651972 Rotary flow control apparatus |
| 03/24/1987 | US4651776 Fluid pressure control valve for hydraulic actuator |
| 03/19/1987 | DE3532237A1 Directional control slide valve with an electrical displacement sensor |
| 03/18/1987 | EP0214911A1 Torque motor with a hydraulic potentiometer for a servo distributor |
| 03/18/1987 | EP0214325A1 Hydraulic directional-control valve |
| 03/17/1987 | US4649957 Fluid assisted spring return for pilot operated, spool valve |
| 03/17/1987 | US4649956 Proportional follower spool valve system |
| 03/17/1987 | US4649951 Assisted slide for pressure compensation in a hydraulic distributor |
| 03/11/1987 | CN86105885A Direction valve with flow controller |