Matches 1 - 41 out of 41


Match Document Document Title
US20130219626 CUSHION AND SELF-ADJUSTING VALVE  
A cushion with a support pad comprising a plurality of compressible suspension elements with a cover top and bottom joined together to form an impervious barrier, and a valve in fluid...
US20140261723 BIDIRECTIONAL FLUID FLOW VALVE AND METHOD  
The present disclosure relates to a bidirectional valve design that provides for more rapid deflations/evacuation of fluid flow and in one example includes a valve body, a spindle piston movably...
US20150034180 TANK PRESSURE CONTROL SOLENOID WITH PASSIVE TANK VACUUM RELIEF  
A tank pressure control valve which provides for both controlled and passive vacuum relief functions with an additional component in a tank purge valve. The tank pressure control valve includes a...
US20080251135 Valve for Control of High Pressure Air Pressure Air Pulse  
A valve for use in the control of pressurised air from a pressure tank, the pressure tank including a wall in which an outlet port is formed, the wall having an inner surface and an outer surface....
US20140216573 CHECK VALVE  
A check valve includes a casing including a positive pressure valve seat, a positive pressure valve urged by a positive pressure valve spring and including a negative pressure valve seat, and a...
US20090090418 CHECK VALVE WITH FLUID HAMMER RELIEF AND MONITORING FEATURES  
The present invention relates to an apparatus and method for improved check valve technology used in flow meters, particularly compound/combo meters. The improved check valve technology may...
US20090014071 Mud saver valve with magnetic latching  
A mud saver valve for retaining drilling fluid in the Kelly of a rotary drilling rig for insertion into a Kelly sub with an enlarged opening inside having a valve and hollow piston closing the...
US20120138170 SHUT-OFF TRIM INCLUDING SPRING LOADED CHECK VALVE  
In accordance with the present invention, there is provided a bi-directional shut-off trim for a valve which possesses the functional attributes of a pilot operated trim and a balanced trim...
US20080000255 COMBINATION RESTRICTOR CARTRIDGE  
A bi-directional flow control device utilizes a single moveable restrictor housed within a cartridge, the piston having a first position wherein the piston orifice provides a smallest diameter...
US20080017254 Variable flow valve  
A variable flow valve includes a housing, a valve element, an urging member, a first valve, a second valve, and a guide flow passage. The housing has an inlet opening, and an outlet opening. The...
US20100108159 SEWER OVERFLOW RELIEF DEVICE  
A sewer overflow relief device for mounting at a top end of a sewer overflow relief pipe includes a top cover having at least one outside air intake and an air flow control mechanism for...
US20140190704 BI-DIRECTIONAL PRESSURE EQUALIZATION VALVE  
A valve for enabling communication between a first pressure and a second pressure including a piston member arranged in a housing. The piston member is movable between an open configuration and a...
US20050161090 Travel control device of hydraulically driven vehicle, hydraulically driven vehicle, and wheel hydraulic shovel  
The present invention includes: a hydraulic pump 10 that is driven by a driving motor; a travel motion motor 12 that is driven with pressure oil supplied from the hydraulic pump 10; a travel...
US20080251138 Fuel Volatilizing Control System of Fuel Tank  
An fuel volatilizing control system for a fuel tank, includes a fuel cover engaged to a fuel entrance of the fuel tank, a closure body arranged under the fuel cover and in the fuel entrance, a...
US20120080102 Reversible Flow Valve Assembly  
A valve is provided that comprises a valve chamber including first and second valve port openings in communication with first and second inlet/outlets, respectively. A shaft is rotatably disposed...
US20110094605 Vacuum Relief Valve  
A vacuum relief valve includes: a housing with a central cavity, the housing having a system branch, a vacuum branch, a pilot branch, and an exhaust branch, each of the branches in fluid...
US20080135110 BI-DIRECTIONAL POSITIVE/NEGATIVE PRESSURE RELIEF VALVE  
A bi-directional positive and negative pressure relief valve includes valve elements and flow passages that are configured to provide a fairly specific pressure distribution on the valve elements,...
US20150167857 PRESSURE VACUUM RELIEF VALVE  
Embodiments of the present disclosure are directed toward a pressure vacuum relief valve and a seal assembly of the pressure vacuum relief valve. The seal assembly includes a ribbed substrate...
US20080041460 Fluid distributor and bidirectional drive apparatus for a molding machine  
Disclosed is: (i) a fluid distributor and bidirectional drive apparatus of a molding system, and/or (ii) a molding system, amongst other things.
US20090308062 Hydraulic Steering System and Method  
A hydraulic steering system has a steering linkage and an actuator actuating the steering linkage. Pressurized hydraulic fluid can be fed to the actuator and removed from the actuator through a...
US20080135109 SAFETY VALVE  
An apparatus for controlling flow in a flowline under pressure, said apparatus comprising a flow passage having a firs end and a second end, and hindering means for reducing the flow in the flow...
US20080078457 VALVE  
An aircraft comprises an overpressure valve, the overpressure valve comprising a sealing member which is moveable, in response to a first pressure differential across the valve, between a closed...
US20150260297 VALVE, IN PARTICULAR PILOT-OPERATED PROPORTIONAL DIRECTIONAL POPPET VALVE  
The invention relates to a valve, in particular a pilot-operated proportional directional poppet valve, having a valve housing (7) which has a fluid inlet (21) and a fluid outlet (23), wherein the...
US20080066810 ANTI-SIPHON CONTROL VALVE  
An anti-siphon control valve includes a housing fitted with a first port inflow, being in fluid communication with a first chamber; a second port outflow, being in fluid communication with a...
US20120174587 FUEL FLOWMETER HAVING AN IMPROVED REGULATOR DEVICE  
A fuel flowmeter for being fed by a pump including an inlet and an outlet, including: a metering valve including an inlet and an outlet, and arranged downstream from the outlet of the pump; a...
US20080072972 Vapor Recovery Control Valve  
A fuel vapor control valve comprising a housing fitted with an inlet port connectable to a fuel tank and an outlet port connectable to a fuel vapor recovery device. The inlet port and the outlet...
US20090151700 BACKPRESSURE VALVE AND FUEL SYSTEM HAVING THE SAME  
A return fuel passage is configured to communicate an outlet of a low-pressure fuel pump with a back pressure side of a fuel injection device. The return fuel passage is configured to partially...
US20050051216 Pressure opening and closing valve  
A pressure opening and closing valve includes a housing having a first port and a second port; a valve member disposed in the housing for closing the first port in a normal state and opening the...
US20150219230 PRESSURE DIFFERENTIAL RELIEF VALVE  
Devices and methods for enhancing the operations of fluid systems are provided. For example, this document provides pressure differential relief valves that are well suited for use with medical...
US20060027268 Dosing device  
The invention concerns a dosing device comprising a dosing tip (1) and a first valve (5) adapted to be opened or closed, this tip (1) being adapted to be fixed on a container, in particular a...
US20150176585 PRESSURE CONTROL VALVE AND SCROLL COMPRESSOR  
A pressure control valve (100, 200) comprises a valve seat (140, 160) in which is formed a valve hole (142, 162), a first valve sheet member (110, 210) which covers the valve hole and is provided...
US20080223457 Bi-directional valve  
A bi-directional valve having a housing with at least one internal gasket contact surface. A spring holds the plate, flapper and gasket against the internal gasket contact surface of the housing....
US20150167426 FLOW CONTROL DEVICE AND FLOW CONTROL METHOD  
The invention generally relates to a flow control device and a flow control methods. One embodiment provides a flow control device comprising: a first flow path to allow fluid to flow from an...
US20170138494 CHECK VALVE  
One embodiment provides a check valve including a valve case, a positive pressure valve, a spring, and a negative pressure valve. The positive pressure valve is slidably disposed in a valve...
US20170138493 VALVE DEVICE  
One embodiment relates to a valve device. The valve device includes: a valve case; a valve element slidably disposed within a valve chamber defined in the valve case; and a positive pressure...
US20160230833 VALVE  
A valve includes a valve disc and annular-plate shaped leaf valves. The leaf valves are laminated on each of the one chamber side and the other chamber side of the valve disc. The valve disc...
US20160222633 CONSTRUCTION MACHINE FLOAT VALVE  
A construction machine float valve is disclosed, which can remove a spool stick phenomenon that may occur during leveling and flattening work. The float valve includes a valve block including...
US20160195317 AN EXPANSION VALVE COMPRISING A STOP ELEMENT  
An expansion valve (1) for a vapour compression system, the valve (1) comprising a first valve part (5) having an outlet orifice (7) and a piston (8) movable inside the outlet orifice (7) in...
US20160097462 HYDRAULIC VALVE  
A hydraulic valve includes a biasing member for generating a biasing force to press a valve seat and a valve member. When a second hydraulic chamber has higher hydraulic pressure than a first...
US20150377371 Intelligent Pressure Relief Device For A Double Isolation Valve  
A pressure relief device for a double isolation valve comprises a body with a valve cavity. The valve body has a pocket formed therein. A disc is disposed in the central section of the pocket. The...
US20150361935 VALVE DEVICE AND HIGH-PRESSURE PUMP USING THE SAME  
A valve device is provided between a high-pressure pump and a fuel tank. A first valve member, an intermediate member and a second valve member are accommodated in a valve housing. The first valve...

Matches 1 - 41 out of 41