Patents for F15B 13 - Details of servomotor systems (18,792) |
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03/11/1987 | CN86103431A Circular spraying servo valve for electro hydraulic device |
03/10/1987 | US4648580 Direct-drive type electro-hydraulic servo valve |
03/10/1987 | CA1218917A1 Priority valve for hydraulic installations |
03/10/1987 | CA1218907A1 Pneumatic setting device |
03/03/1987 | US4646785 Spool valve |
03/03/1987 | US4646622 Hydraulic control apparatus |
03/03/1987 | CA1218580A1 Open center hydraulic system |
02/26/1987 | DE3530408A1 Hydraulic safety control system for an actuating sequence of two hydraulic drive devices |
02/25/1987 | EP0211497A1 Improved fluid power control system |
02/25/1987 | EP0077770B1 Pulse width modulated constant current servo driver |
02/24/1987 | US4645178 Redundant drive mechanisms for a direct drive valve and force motor assembly |
02/24/1987 | US4644849 Locking apparatus of inertial mass drive hydraulic circuit system |
02/19/1987 | DE3528781A1 Proportional choke valve |
02/18/1987 | CN85203631U Wet electromagnetic change valve |
02/17/1987 | US4643225 Pressure regulating valve |
02/12/1987 | DE3527371A1 Pressure-actuated reversing valve |
02/10/1987 | US4641812 Direct drive valve and force motor assembly including interchangeable stator assembly and alignment system or method |
02/05/1987 | DE3526581A1 Shuttle valve |
02/03/1987 | US4640311 Modular system of distribution |
02/03/1987 | US4640309 Pilot operated poppet valve with speed control |
02/03/1987 | CA1217406A1 Two member boost stage valve for a hydraulic control |
01/31/1987 | CN86103148A Source double stable hydraulic valve |
01/29/1987 | WO1987000596A1 Control system for independent control of fluid actuated devices |
01/29/1987 | WO1987000589A1 Hydraulic control unit |
01/29/1987 | WO1987000588A1 Method and device for regulating a fluid flow to hydraulic or pneumatic drive means |
01/29/1987 | DE3527026A1 Electrohydraulic actuating unit |
01/28/1987 | CN85105425A Y-type plug-in electro-hydraulic ratio combination valve |
01/27/1987 | US4638830 High sensitivity magnetic actuator |
01/22/1987 | DE3524759A1 Directional control valve |
01/21/1987 | EP0209019A2 Hydraulic control system |
01/21/1987 | CN86103617A Power transmission |
01/20/1987 | US4637482 Hydraulic system in working vehicles |
01/20/1987 | US4637474 Tractor and towed implement with elevation control system for implement including pressure responsive valve actuator |
01/20/1987 | US4637431 Supply control valve with integral pressure limiter |
01/15/1987 | DE3622925A1 Combined switching and relief (pressure-limiting) valve |
01/14/1987 | CN85105194A Route valve with hydraulic actuation |
01/13/1987 | US4635682 Hydraulic valves with dual feedback control |
01/10/1987 | CN85101815A Jam compensating control valve |
01/06/1987 | US4633762 Speed limiting device designed to equip the slide valve of a hydraulic system |
12/30/1986 | EP0205753A1 Valve |
12/30/1986 | EP0111007B1 Control valve linking device |
12/17/1986 | EP0205381A1 Electrofluidic jet/flapper transducer, and servo valve equipped with such a transducer |
12/10/1986 | EP0204096A1 The hydraulic step cylinder of orifice type used for driving of the control rod on reactor |
12/09/1986 | US4627467 Pilot operated directional control valve |
12/09/1986 | CA1214975A1 Control device |
12/03/1986 | EP0113724B1 Fully compensated fluid control valve |
12/03/1986 | CN85104146A Hand controled synchronous reversal valve |
12/02/1986 | US4625751 Vehicle steering and auxiliary function hydraulic circuit |
12/02/1986 | US4625513 Controlled flow hydraulic system |
11/26/1986 | EP0202385A1 Reel speed valve assembly |
11/25/1986 | US4624445 Lockout valve |
11/25/1986 | US4624284 Servovalve |
11/25/1986 | CA1214377A1 Single coil vacuum/vent valve |
11/20/1986 | EP0202011A2 Torque motors and valve assemblies |
11/19/1986 | CN86200216U Band-sawing machine with a mechanism generating constant feeding force |
11/19/1986 | CN85202016U Diaphragm-type electromagnetic change valve |
11/18/1986 | US4623118 Proportional control valve |
11/18/1986 | US4623003 Hydraulically actuated spool valve |
11/11/1986 | US4621496 In a fluid control system |
11/04/1986 | US4620416 Load sensing system |
10/22/1986 | EP0198635A2 Fluid valves |
10/22/1986 | EP0198119A2 Hydraulic directional valve for pressure-compensated control |
10/21/1986 | US4617968 Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch |
10/21/1986 | US4617967 Two-stage hydraulic valves |
10/21/1986 | US4617798 Hydrostatic drive systems |
10/15/1986 | EP0197467A2 Leak-free load control and holding valve |
10/15/1986 | EP0197314A1 Hydraulic arrangement for selecting and transmitting a pressure signal in a directional stacking valve |
10/14/1986 | US4616674 4/3-directional control valve |
10/14/1986 | US4616671 Valve with flow force compensator |
10/14/1986 | US4616476 Cylinder driving apparatus |
10/08/1986 | EP0196358A2 Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch |
10/07/1986 | US4615358 Pilot valves for two-stage hydraulic devices |
10/07/1986 | US4615174 Fluid circuit system for operating bidirectional hydraulic motor |
09/24/1986 | EP0195206A1 Pilot-operated valve |
09/23/1986 | US4612846 High pressure hydraulic distributor having a mechanically controlled discharge valve |
09/16/1986 | US4611632 Hydraulic solenoid valve structure |
09/16/1986 | US4611528 Hydraulic control system |
09/16/1986 | US4611527 Power transmission |
09/12/1986 | WO1986005245A1 Load sensing circuit of load responsive direction control valve |
09/09/1986 | US4610271 High pressure hydraulic distributor |
09/09/1986 | US4610194 Load sensing circuit of load responsive direction control valve |
09/03/1986 | EP0192899A1 Stalling control for a hydraulic system |
09/03/1986 | EP0192734A1 Hydraulic or pneumatic auxiliary valve |
09/03/1986 | CN85109196A Four-way poppet valve |
09/03/1986 | CN85108167A Digital pulse-valve system |
09/03/1986 | CN85104488A Totally-enclosed oil-circuit hydraulic integrated actuator |
09/02/1986 | US4608913 Actuator with pneumatic energy accumulator more especially for cock valves |
09/02/1986 | US4608911 Locking circuit for hydraulic systems |
08/28/1986 | WO1986004964A1 Valve arrangement for controlling a pressure medium flow through a line of pressure medium |
08/28/1986 | WO1986004963A1 Proportional valve with variable pre-loading of the balance spring non-proportionally to the load pressure |
08/20/1986 | CN85102790A Cone valve digital pressure valve |
08/19/1986 | US4606258 Self-pressurizing hydraulic control system |
08/12/1986 | US4605377 Manual lift means for marine propulsion device |
08/12/1986 | US4605197 Proportional and latching pressure control device |
08/12/1986 | US4605042 Pilot oil supply arrangement |
08/12/1986 | US4605033 Pneumatic converter having variable gain relay stack |
08/12/1986 | CA1209480A1 Remote control unit |
08/12/1986 | CA1209418A1 Servo valve |
07/24/1986 | EP0131580A4 Signal valve for pressure compensated system. |
07/23/1986 | EP0188044A1 Precise pressure regulator for a variable output pump |