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Match Document Document Title
7328720 Solenoid valve  
To construct solenoid valves used as a solenoid assembly by assembling the solenoid valves in a group so that both collective wiring and individual wiring can be performed and the solenoid valves...
7270046 Integrated valve assembly and computer controller for a distributed hydraulic control system  
A distributed hydraulic system locates a control assembly, that has electrohydraulic valves and a electronic controller, adjacent the respective hydraulically powered actuator controlled by that...
7213612 High pressure ball-poppet control valve with flow control  
A control valve for operating a fluid-actuated device includes a fluid inlet, a fluid outlet and a passage in fluid communication between the fluid inlet and the fluid outlet, the passage defining...
7210502 Microvalve device suitable for controlling a variable displacement compressor  
A device is disclosed for controlling a variable displacement compressor. The device comprises a microvalve operated control valve. A microvalve device for controlling fluid flow and a micro spool...
7185673 Safety device for fluid operated machines  
The supply of operating air or oil to a press, shears or like machine is controlled by a pair of spool valves connected in series and each operates a pair of switches. The switches connect DC...
7150292 Electropneumatic double control valve comprising a sealing arrangement  
Electropneumatic double regulating valve for an air-operated vehicle brake system, which is disposed centrally on a wheel axle, equipped with two brakes, with a common relay valve housing ( 1 ), in...
7147006 Pilot operated valve  
A valve assembly having a fluid switch and a main valve for controlling fluid pressure in a working volume in three control states wherein the main valve has three ports for fluid, flow of fluid...
7114521 Double valve constructed from unitary single valves  
A double valve is constructed from first and second unitary valve assemblies each having a respective inlet port, a respective outlet port, a respective exhaust port, a respective first...
7100639 Control valve  
The invention relates to a control valve ( 10 ) for controlling the pressure and flow of hydraulic oil from or to the working connections (A, B) of a consumer. The pressure and the pressure flow...
7044431 Electromagnetically actuated valve system and valve device  
The invention relates to a valve system comprising a housing, an actuator, a main valve disposed between an inlet chamber and an outlet chamber, and a pilot chamber. Said pilot chamber is linked...
7025090 Fluid flow control valves  
A fluid flow control valve system has a plurality of pairs of 3 port, 2 position (3/2) control valves ( 6, 6 ′) each valve being movable between its two positions by a pair of...
7003949 Integrated three function valve  
An integrated three function valve (ITFV) that combines the functions of a bypass valve (e.g. 183 a, 185 a, 161 a ) into a single assembly is disclosed. The ITFV allows continued operation after...
6990999 Digitally controlled modular valve system  
Valve base module comprises a tank core passage extending within a plane containing a longitudinal axis, said plane oriented in non-perpendicular relation to a surface of said valve housing...
6983623 Valve block assembly for I.S. glassware machine and modular pilot valve operated poppet valve assembly  
A valve block assembly includes a cartridge block and a plurality of modular pilot valve operated poppet valve assemblies. The cartridge block has a plurality of bores therein dimensioned and...
6976500 Valve combination for a fluid circuit with two pressure levels, particularly a combined cooling system/heat pump circuit  
The invention relates to a valve combination which is characterized in that the valve combination has a passive valve and an active valve. The active valve is provided with means for an active...
6910493 Control apparatus, method and diagnostic for hydraulic fill and drain  
Hydraulic fill and drain of a clutch chamber is controlled with a blocking valve and a trim valve. The blocking valve selectively provides pressurized fluid to the trim valve which in turn...
6865065 Semiconductor processing chamber substrate holder method and structure  
A method and system for processing wafers is disclosed. According to one embodiment ( 100 ) a chuck system ( 102 ) may be situated opposite to an input source ( 104 ). A chuck system ( 102 ) may...
6860292 Control system for air-operated devices  
A first normally open solenoid valve “A” is connected to passageway ( 32 ). A second normally open solenoid valve “B” is connected to a passageway ( 36 ). A latching valve ( 24 ) includes a...
6845962 Thermally actuated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. The body further has first and second pilot ports placed in...
6840259 Dynamically-monitored double valve with retained memory of valve states  
A double valve for controlling a machine tool has a memory such that when the valve is in its normal deactuated state and the inlet air supply is cycled (e.g., turned from on to off or from off to...
6840258 Dynamically-monitored double valve with anti-tiedown feature  
A double valve is reset when a source of pressurized fluid is connected to a reset port. When the source of pressurized fluid is removed from the reset port, a first reset piston is retracted so...
6837269 Electrohydraulic control device  
An electrohydraulic control device for use in the hydraulic systems of advancing support frames of underground mining equipment, which can be switched by means of switching plungers of...
6830229 Two-stage valve suitable as high-flow high-pressure microvalve  
A two-stage valve for controlling the flow of fluid from a pressurized fluid supply with an upper main body including a cavity with a contoured inner surface; a lower main body with at least one...
6789563 Pneumatic exhaust controller  
A pneumatic exhaust controller for use with a source of pressurized air comprises a manifold having a first portal coupled to the source of pressurized air, a second portal, and an exhaust portal....
6758241 Safety valve  
A safety valve for compressed air-operated consumers, including a valve housing having bores, and two direction control valves connected in parallel, each of the control valves having a working...
6745793 Valve assembly comprising an internal flow channel with an open longitudinal section  
A valve arrangement, which possesses a plurality of valve units mounted on each other in sequence in an array direction ( 3 ) on each other. For this purpose each valve unit ( 2 ) possesses, on...
6722390 Hydraulic double valve  
A control valve system in which main valves are actuated and deactuated by operation of pilot valves. Actuation of pilot valves causes actuation of the main valves, which enables fluid pressure to...
6712091 Control device for a hydraulic control motor  
A control device for a hydraulic control motor includes at least one valve controlled actively by an actuating force and at least one passive valve which is operatively connected to the actively...
6688332 Multiway valve for switching a flow of fluid under pressure with parallel disposition of valve bores, and valve assembly kit  
A multiway valve for controlling a flow of fluid under pressure, includes a valve housing having fluid ports and a plurality of bores in side-by-side parallel disposition substantially at a same...
6662825 Control device for pressurized fluids  
A control device for pressurized fluids includes a valve mechanism actuated by a first device incorporating electromagnets in a first housing, and a second device incorporating a circuit board for...
6659129 Valve arrangement  
A valve arrangement includes an operating valve arrangement in the form of a relay valve and a control valve arrangement. The control valve arrangement includes a controlled inlet valve and a...
6637462 Variable pressure control device  
A control valve system having a housing defining an inlet, an outlet, and an exhaust. A first passage extends between the inlet and the outlet and a second passage extends between the outlet and...
6619183 Electrohydraulic valve assembly  
A control valve in fluid communication with an actuator may include a pressurized pilot supply and a fluid reservoir fluidly connected to a passageway defined by a valve body. A pilot operator is...
6604547 Double valve with cross exhaust  
A control Valve system having a housing defining a first inlet, a second inlet, a first outlet, a second outlet, and an exhaust to define an intrinsically safe double valve. The double control...
6550368 Fluid power interlock system  
A fluid power interlock system and method for providing same including a circuit having a first valve shiftable between a first and second state having an input and a pair of selectively operable...
6505645 Multiple hydraulic valve assembly with a monolithic block  
A valve assembly has a single piece body that houses a plurality of hydraulic valves. Each valve includes a spool which controls the flow of fluid between a pair of work ports in one side of the...
6478049 Double valve with anti-tiedown capability  
A control valve system having housing defining an inlet, an outlet and an exhaust. A first passage extends between the inlet and the outlet and a second passage extends between the outlet and the...
6467496 Single-adjustment, dual-null pressure setting for an electrohydraulic valve pilot stage  
An electrohydraulic valve pilot stage for controlling differential pressure is disclosed. The electrohydraulic valve pilot stage has a housing for protecting the valve; a first and second inlet...
6457487 Hydraulic system with three electrohydraulic valves for controlling fluid flow to a load  
An assembly of a pair of electrically operated bidirectional proportional control valves and a four-way direction control valve governs the flow of fluid to and from a hydraulic cylinder. The...
6431209 Multi-pressure ball-poppet control valve  
A high-pressure primary fluid control valve and a multi-pressure selector fluid control valve are disclosed for operating a fluid-actuated device. Preferably a spherical ball-poppet and...
6415818 Diaphragm-type solenoid valve  
A diaphragm-type solenoid valve has a valve body 3 fixed onto a base, a diaphragm 4 for opening and closing a valve seat 13 provided to an inner end of a second port 12, a plate 5 for...
6363970 Valve means  
A valve means having at least one valve whose housing is longitudinally divided and comprises housing bodies arranged together alongside one another in a parting region. Cavities in the parting...
6318396 Double valve with anti-tiedown capability  
A control valve system has two valve trains each of which has a series of valves which dynamically move between a deactuated position and an actuated position. An inlet of the valve system is...
6310283 Pressure relief system  
A pressure relief system comprises a control system which includes a housing with a housing chamber in which electrical equipment is located, and a valve system having a pressure relief device. The...
6286547 Module for driving actuators  
A module comprises a pilot valve and four switching valves, in particular for driving actuators, the pilot valve being a 4/3-way valve.
6223773 Check valve assembly  
In a check valve assembly and a valve assembly employing such a check valve assembly, a topping piston may be taken into contact with a main poppet to raise the main poppet from its seat. The main...
6196247 Valve assembly and method for actuation of such a valve assembly  
A valve assembly for actuation of a user and a method for actuation of the valve assembly, wherein a supply throttle device and a drain throttle device may be actuated independent of each other, is...
6186172 Directional control valve apparatus  
A directional control valve system is provided in conjunction with a hydraulic actuator, using a meter-in flow control valve that is simple in structure to permit pressure fluid to be fed into a...
6179107 Trim valve for a fluid operated friction torque transmitting device  
A trim valve controls the pressure rise and pressure gain in a torque transmitter. The trim valve controls the distribution of a system pressure to the torque transmitter in a controlled manner...
6179000 Three-way valve  
A three-way valve for controlling the application of air to a pneumatically controllable device has a pressure chamber for pressurizing a work chamber to which the device is connectable and an...
Matches 1 - 50 out of 314 1 2 3 4 5 6 7 >