| Patents for F15B 13 - Details of servomotor systems (18,792) |
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| 03/22/1994 | US5295513 Pilot valve apparatus |
| 03/22/1994 | US5295512 Fluid control spool valve |
| 03/22/1994 | US5295511 Valve module for fluidic connector strip |
| 03/22/1994 | CA1328002C Power transmission |
| 03/17/1994 | WO1994005915A1 Hydraulic braking system |
| 03/17/1994 | DE4230414A1 Electro-pneumatic control device using electrically operated valves - has each valve drive coupled via bus line to central electronic control device |
| 03/16/1994 | EP0587170A2 Electro-pneumatic converter |
| 03/16/1994 | EP0586967A1 Suction stop valve |
| 03/16/1994 | EP0586949A1 Hydraulic valve |
| 03/10/1994 | DE4229054A1 Modular system for pneumatic circuit construction - has expensive intermediate plate construction replaced by working line modules such as throttle which plug into end faces of mounting block |
| 03/09/1994 | CN2158460Y Mini single direction locking valve |
| 03/08/1994 | US5291915 Adjustable pressure relief valve |
| 03/08/1994 | US5291676 Hydraulic drive system |
| 03/03/1994 | WO1994004831A1 Electro-pneumatic control device |
| 03/03/1994 | WO1994004829A1 Hydraulic control device |
| 03/03/1994 | DE4228307A1 Proportional magnetic valve for hydraulic appts. e.g. regulating valve, pump or positioning motor - has strain gauge on leaf spring, one end of which is connected to housing, and other end of which is deflected according to position of control piston |
| 03/02/1994 | EP0585189A1 High performance hydraulic actuator with control of play |
| 03/02/1994 | EP0584494A1 Electropneumatic valve sub-assembly |
| 03/01/1994 | US5290007 Control device for volume stream of hydraulic working medium |
| 02/24/1994 | DE4231399A1 Hydraulische Steuereinrichtung Hydraulic control device |
| 02/24/1994 | DE4227563A1 Electrohydraulic position regulator with two-stage proportional valve - has pilot electrohydraulic stage used to drive main fluid power stage with both having displacement sensors |
| 02/24/1994 | DE4227201A1 Modular system for linear pneumatic or electro-pneumatic adjustable valves - has machined modular main body which is mounted on baseplate and contains at least one slider adjustable in distributor bush for controlling compressed air distribution. |
| 02/23/1994 | CN2157348Y Ball base electromagnetic change valve |
| 02/23/1994 | CN2157347Y Speed control valve set |
| 02/22/1994 | US5287841 Flow divider and utilization system |
| 02/22/1994 | US5287794 Hydraulic motor with inlet fluid supplemented by fluid from contracting chamber |
| 02/17/1994 | DE4226495A1 Electromagnetic operated pressure regulating valve - contains interacting counter=force and control pistons, passages connecting pressure source, load connection and pressure-free container. |
| 02/16/1994 | CN2156328Y Large flow quantity high speed valve |
| 02/16/1994 | CN2156327Y Multi-position electromagnetic valve |
| 02/16/1994 | CN1082157A Equipment for controlling the flow of a hydraulic pressure medium, inparticular for the inection of fuel to a reciprocating combustion engine |
| 02/15/1994 | US5285861 Steering device of crawler type vehicle |
| 02/15/1994 | US5285715 Electrohydraulic servovalve with flow gain compensation |
| 02/09/1994 | EP0582498A1 Control system for a plurality of hydraulic actuators |
| 02/09/1994 | EP0582497A1 Control system for a plurality of hydraulic actuators |
| 02/09/1994 | CN2155455Y Liquid-controlled hand reversing valve |
| 02/08/1994 | US5284220 Pressure control valve assembly for hydraulic circuit and automotive rear wheel steering system utilizing the same |
| 02/03/1994 | WO1994002743A1 Control device for at least one hydraulic consumer |
| 02/03/1994 | DE4224942A1 Emergency system for hand operation of magnetically operated hydraulic valves - has emergency hand operated pin led movable sliding in guide recess and outer endface of which valve is operated by ram type tool insertable from outside |
| 02/02/1994 | EP0581156A2 Hydraulic directional control valve of piston slide valve construction |
| 02/02/1994 | CN2154928Y Proportional valve electrical liquid controller |
| 02/01/1994 | US5282604 Solenoid operated pressure regulating valve |
| 01/27/1994 | DE4224606A1 Hydraulic servo-valve for control of linear or rotary motors - has oil flows controlled by throttling effect at corners of square section rotor rotated back and forth in square section clearance bore of valve body |
| 01/27/1994 | DE4224470A1 Solenoid activated fluid power directional flow valve - has armature integral with sliding valve element used to control flow through valve ports. |
| 01/26/1994 | EP0600879A4 Modular pneumatic control systems. |
| 01/26/1994 | CN2154375Y Servo valve of automatic error-correcting system for belt material |
| 01/26/1994 | CN2154374Y Operating device for hydraulic inverting (shift) valve |
| 01/20/1994 | WO1994001682A1 Inertial body driving unit |
| 01/20/1994 | DE4318945A1 Pilot-actuated four-way selector valve controlling earth moving machinery, etc. - has spool constrained by variable stiffness spring which allows shovel lower and shovel float positions of pilot valve operating lever to be spaced safely apart |
| 01/20/1994 | DE4231598C1 Pressure medium-operated valve - has differential piston arrangement via which valve slider is operable and in which is integrated a displaceable venting operating component |
| 01/20/1994 | DE4223578A1 Control valve for die casting and injection moulding - has its light-metal body provided with a wear resistant carrying layer |
| 01/20/1994 | DE4223389A1 Steueranordnung für mindestens einen hydraulischen Verbraucher Control arrangement for at least one hydraulic consumer |
| 01/18/1994 | US5279331 Distributor valve device for hydraulic remote control |
| 01/18/1994 | US5279121 Flow control valve with pilot operation and pressure compensation |
| 01/13/1994 | DE4222637A1 Manifold system for fluid power valves - has valve mounted on base manifold having fluid flow passages and built=in plugs that are engaged by bridging unit |
| 01/13/1994 | DE4221757A1 Solenoid operated flow control valve - has anchor integrated into control piston and with return spring |
| 01/12/1994 | EP0578583A1 Hydraulic servo valve with controlled disengagement feature |
| 01/12/1994 | EP0577628A1 Proportional mechano-electronic actuator means. |
| 01/11/1994 | US5277622 Electric connecting device for pilot valves in a valve array |
| 01/11/1994 | US5277399 Solenoid operated pressure regulating valve |
| 01/06/1994 | WO1994000329A1 Rotary slide valve for assisted steering systems |
| 01/06/1994 | WO1994000328A1 Rotary slide valve for power assisted steering systems of motor vehicles |
| 01/05/1994 | EP0576807A1 Valve arrangement |
| 01/05/1994 | DE4221213A1 Pressure limiting valve for hydraulic equipment - has pair of stops to limit movement range of a control piston plunger. |
| 01/05/1994 | DE4220624A1 Drehschieberventil, insbesondere für Hilfskraftlenkungen Rotary slide valve, particularly for power steering systems |
| 01/05/1994 | DE4219906A1 Hydraulic cylinder with axially movable piston - contains piston with inlet and outlet passages containing flow control valves |
| 01/04/1994 | US5275201 Manifold valve assembly with removable valve seat |
| 12/29/1993 | CN2151293Y 操纵阀 Control valve |
| 12/28/1993 | US5273074 Multifunction multiport slider valve |
| 12/28/1993 | US5273069 Operation valve with pressure compensation valve |
| 12/28/1993 | US5272959 Power transmission |
| 12/23/1993 | DE4219978A1 Drehschieberventil für Hilfskraftlenkungen von Kraftfahrzeugen Rotary valve for power steering systems of motor vehicles |
| 12/22/1993 | CN2150376Y Step-by-step electric-liquid converter |
| 12/22/1993 | CN1023196C Control system for shot machine |
| 12/21/1993 | US5271313 Position-controlled actuator |
| 12/21/1993 | US5271227 Hydraulic apparatus with pressure compensating valves |
| 12/16/1993 | DE4221933A1 Two=way positional control valve - has two sets of logic valves with control edge positive overlapping in one set only |
| 12/16/1993 | DE4219552A1 Two-way control valve with pressure-independent closure time - incorporates pressure balance comprising displaceable piston in bore |
| 12/16/1993 | DE4218974A1 Blocking valve for linear or rotational drive - uses valve piston having first and second oppositely placed control surfaces |
| 12/15/1993 | EP0286683B1 Hydraulic pilot type direction control valve |
| 12/09/1993 | WO1993024757A1 Hydraulic driving system |
| 12/09/1993 | DE4218325A1 Directional control 2/2 valve - has pressure relief circuit to control forces acting on piston bush |
| 12/08/1993 | EP0573191A1 Two-stage hydraulic valves |
| 12/08/1993 | CN2148849Y Hand hydraulic change valve |
| 12/08/1993 | CN1079277A Electric liquid proportional logic multiway valve |
| 12/02/1993 | DE4244581A1 Electromagnetic actuator for valves and hydraulic applications - has fixed guide-pin with longitudinal and transverse fluid channels within sliding armature opposed by helical spring around piston |
| 12/02/1993 | DE4217755A1 Position member for control of tractor implement height - has displacement path of throttle piston limited in direction of throttle opening by adjustable stop |
| 11/25/1993 | WO1993023674A1 A proportional electro-hydraulic pressure control device |
| 11/24/1993 | EP0571128A1 A motor having temperature compensation |
| 11/24/1993 | EP0570649A1 Device for controlling a hydraulic fluid flow, especially for fuel injection to an internal combustion engine |
| 11/24/1993 | EP0366815B1 Hydraulic drive unit for construction machinery |
| 11/24/1993 | CN2147383Y Hydraulic pipe semi-automatic valve |
| 11/24/1993 | CN2147382Y Liquid in and out integral valve plate |
| 11/23/1993 | US5264813 Force motor having temperature compensation characteristics |
| 11/23/1993 | US5263681 Motor-to-spool coupling for rotary-to-linear direct drive valve |
| 11/23/1993 | US5263680 Motor-to-spool coupling for rotary-to-linear direct drive valve |
| 11/23/1993 | US5263513 Dual flow passage poppet valve |
| 11/23/1993 | US5263400 Hydraulic control device |
| 11/17/1993 | CN2146596Y Multi-functional rotary hydraulic program device |
| 11/17/1993 | CN2146595Y Low-noise overflow valve |
| 11/17/1993 | CN2146594Y Ball-type sequence valve |