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WO/2009/075928 |
A check valve (54) includes a body (70) defining a passageway through which fuel flows in a first fuel -flow direction during pump operation. The check valve also includes a seat (62), a seal member (58), and a biasing member (66) biasin...
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WO/2009/076228 |
An impedance seat (10) having an impedance element (19) that can be mounted in conjunction with a seat in a ball valve (52). The impedance seat has a concave surface (16) matching the curvature of the ball (76) and a plurality of flow pa...
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WO/2009/076228 |
An impedance seat (10) having an impedance element (19) that can be mounted in conjunction with a seat in a ball valve (52). The impedance seat has a concave surface (16) matching the curvature of the ball (76) and a plurality of flow pa...
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WO/2009/058332 |
Although modern diesel fuel formulations are intended to reduce emissions of diesel engines, at least some of those modern fuels tend to have relatively low lubricity levels. The control valve assemblies described herein help to minimize...
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WO/2009/042219 |
A pendulum vacuum gate valve comprised of a housing for enclosing a valve plate assembly having a pair of air pressure actuated floating seal plates disposed on opposite sides of the valve plate assembly which is actuated by a gate arm t...
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WO/2009/035864 |
A metallic sealing disk having an elastomeric backing for use with fluid regulators is described. An example apparatus includes a substantially disk- shaped elastomeric ring and a substantially disk-shaped metallic ring coupled to the el...
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WO/2009/035864 |
A metallic sealing disk having an elastomeric backing for use with fluid regulators is described. An example apparatus includes a substantially disk- shaped elastomeric ring and a substantially disk-shaped metallic ring coupled to the el...
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WO/2009/018751 |
A secondary seal ball valve includes a valve body (2), a valve core (6) and a valve rod (11), one end of said valve rod (11) extends out of the valve body (2), the other end is securely connected with said valve core (6), said valve core...
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WO/2009/012168 |
Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a sealing surface to receive a movable contr...
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WO/2009/012479 |
The seal made between two surfaces is enhanced by forming a coating (22), such as a self-assembled monolayer of a functionalized fluorinated macromolecule, on one or both of the surfaces.
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WO/2009/000088 |
A valve assembly for controlling the flow of pressurized fluid supplied to an actuating cylinder having a piston driven by the pressurized fluid along a stroke path therewithin, the pressurized fluid being applied to alternative driving ...
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WO/2008/139342 |
A pump assembly with valve-seat interface architecture configured to extend the life of pump components and the assembly. A valve (100) of the pump assembly is equipped with a conformable valve insert (101) that is configured with a circ...
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WO/2008/131246 |
A fluid regulating device includes a valve disc (128) and a valve port (136) adapted to provide a secondary seal during an obstructed closing operation, whereby the valve disc (128) directly engages a housing (260) component of the valve...
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WO/2008/120021 |
A disc for use in a pneumatic valve includes a stiffening insert (19) enca\ sed in a flexible body (2). The stiffening insert (19) acts to protect a central actuation region (5) of the disc against radial compression, which may arise if ...
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WO/2008/119374 |
1. A sliding valve 2. A sliding valve for hydraulic systems, such as proportional pressure-limiting valves or pressure balances, comprising a valve housing (1) preferably designed in the form of a screw-in cartridge, in which a valve sli...
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WO/2008/106634 |
The present invention generally comprises a floating slit valve for interfacing with a chamber. A floating slit valve moves or "floats" relative to another object such as a chamber. The slit valve may be coupled between two chambers. Whe...
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WO/2008/097160 |
A method is provided for eliminating the risk of leakage from a first one to a second one of two fluid systems (123, 124) in an apparatus provided for handling a fluid for human consumption, which comprises a shut-off device including a ...
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WO/2008/092711 |
The invention relates to a ball valve (110) for adjusting a flow of a fluid medium. The ball valve (110) comprises a valve seat (120) and a rounded closing element (116), particularly a valve ball. Furthermore, the ball valve (110) compr...
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WO/2008/083509 |
The invention relates to a micro-valve (1) comprising a valve ball (2), a valve seat (3) and a nozzle (14). In said valve, the valve seat (3) comprises a sealing region (5) and an outlet region (6) and guide means (40) are provided on th...
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WO/2008/067020 |
A ball valve having reduced torque requirements for rotation is presented. Torque reduction is realized by providing a shaped sealing back member to provide a back force behind essentially the entire sealing surface of the downstream sea...
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WO/2008/057536 |
A differential dry pipe control valve for fire protection sprinkler systems includes an eccentric plug that rotates and separates supply water and system air pressure and uses an integral actuator that maintains the seal of the eccentric...
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WO/2008/048891 |
A three-way poppet valve that can restrict or eliminate backflow without the use of an external check valve. Unlike conventional three-way poppet valves wherein both inlets can be open to the outlet at the same time during movement of th...
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WO/2008/032078 |
A valve having a trim comprising a plurality of impingement flowpaths (201), each flowpath comprising a central impingement chamber (202) and having three radially directed inlet passages (203, 204, 205) is provided. As the fluid flows t...
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WO/2008/032101 |
A valve having a trim comprising a plurality of a vortex flowpaths (201), each flowpath comprising a central vortex chamber (202) and having three tangential inlet passages (203, 204, 205) is provided. As the fluid flows through the inle...
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WO/2008/033705 |
A liner assembly (102) adapted to line a valve body (104) of a control valve (100) comprises a sleeve(132), a liner(134), and a retainer (136). The sleeve has an inner surface (144) and an outer surface (142). The inner surface defines a...
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WO/2007/150000 |
As set forth in the detailed description, the present invention includes, in various exemplary embodiments, a valve device to control fluid flow that incorporates a substantially flat plug head. By incorporating a substantially flat plug...
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WO/2007/136942 |
A seal for sealing a flow control valve is provided. The seal includes an inlet configured to mate with a flow control device, an outlet configured to mate with a housing, and a convolution formed in a seal wall and interposed between th...
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WO/2007/136942 |
A seal for sealing a flow control valve is provided. The seal includes an inlet configured to mate with a flow control device, an outlet configured to mate with a housing, and a convolution formed in a seal wall and interposed between th...
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WO/2007/131388 |
There is a close part rotating or reciprocating linearly between the upriver flow passage and the downriver flow passage in a valve. A sub passage mechanism is mounted in the upriver flow passage, which is arranged in a row or more rows ...
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WO/2007/112502 |
A valve comprising: a valve closure element, and a body having a port, the valve closure element being moveable between tow positions relative to the body, and the body providing for a degree of movement of the valve closure element from...
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WO/2007/089076 |
The present invention relates to an improved vacuum gate valve for a corrosion prevention. The corrosion prevention vacuum gate valve comprises a second actuator which includes a hollow first body which has a second compression air inlet...
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WO/2007/087739 |
A valve seat can resist erosion of the material, such as solid particle, powder, crystals, granula and/or liquid dripping. An annular auxiliary valve seat is disposed in the upper flow passage of the valve. One end of the seat is fixed o...
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WO/2007/057946 |
This invention provides a coolant-containing hollow poppet valve, which, in use, in consideration of a temperature distribution caused in each part of the valve, causes a lowering in fatigue strength and creep strength in the valve at it...
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WO/2007/038140 |
An elastomeric storage device for use in a gas compressor valve is provided. Reciprocating gas compressor valves use these storage devices to control the closing of a valve sealing element.
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WO/2007/027496 |
A valve assembly. for controlling gas delivery from a higher pressure fluid source to a lower pressure processing tool. The valve assembly includes a valve poppet movingly engageable with a valve seating member and a fluid permeable inse...
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WO/2007/027496 |
A valve assembly. for controlling gas delivery from a higher pressure fluid source to a lower pressure processing tool. The valve assembly includes a valve poppet movingly engageable with a valve seating member and a fluid permeable inse...
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WO/2007/021872 |
The present invention provides more efficient, cost effective coke drum isolation valve devices and system as well as more efficient, cost effective methods for isolating the flow of matter from location to another in the delayed coker u...
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WO/2006/134479 |
A flow cut-off solenoid valve (1) in a fluid feeding circuit containing water vapour presents a guiding cylinder (16); a slider (5) , which comprises a shutter (25) and a piston (23) which is slidingly coupled to the guiding cylinder (16...
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WO/2006/135364 |
A rotary disc valve unit and refrigerators containing a rotary disc valve unit that has multiple valves, in which at least one rotary valve has ports connecting to the regenerator and at least one rotary valve has ports connecting to the...
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WO/2006/127062 |
A controlled rate feeder system for fine particle solids and a method thereof includes a plate assembly housing, a seat plate assembly, a backseat plate assembly, at least one biasing device, and an actuator assembly. The plate assembly ...
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WO/2006/127062 |
A controlled rate feeder system for fine particle solids and a method thereof includes a plate assembly housing, a seat plate assembly, a backseat plate assembly, at least one biasing device, and an actuator assembly. The plate assembly ...
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WO/2006/124292 |
A valve arrangement (10) having a valve body (12) with an inlet port (14) and an outlet port (16). A valve seat (18) is disposed in the valve body (12) and forms an aperture (20) positioned in the path of fluid flow between the inlet and...
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WO/2006/115949 |
A valve assembly (10) including a valve body (16) having an orifice (52) , and a valve member (20) received in the valve body and movable along an axis (A) with respect to the orifice. The valve member includes a cup (24) in an end (22) ...
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WO/2006/110993 |
An integrated valve system for commencing and stopping and or additionally directing the flow of a fluid through pipes comprises a main valve body with a transverse groove with a cylinder on the back of a bleeder valve body that fits smo...
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WO/2006/112491 |
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WO/2006/110993 |
An integrated valve system for commencing and stopping and or additionally directing the flow of a fluid through pipes comprises a main valve body with a transverse groove with a cylinder on the back of a bleeder valve body that fits smo...
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WO/2006/107855 |
A high-pressure gate valve (10) for control of bulk materials includes a main body (12) with an opening (18) for passing bulk material, an upper body, a slideable blade (42), and lifting structure configured to raise the blade (42) in a ...
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WO/2006/107855 |
A high-pressure gate valve (10) for control of bulk materials includes a main body (12) with an opening (18) for passing bulk material, an upper body, a slideable blade (42), and lifting structure configured to raise the blade (42) in a ...
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WO/2006/086976 |
The invention relates to a stop valve (1) for pourable bulk material, comprising a housing (2) that is provided with an inlet side (2a), by means of which the housing (2) can be connected to a silo container, a sealing area on an outlet ...
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WO/2006/084427 |
A valve (1), for control of a clutch in a gearbox of a vehicle, is disclosed, comprising a pilot valve (4) which may be displaced within a housing recess and which controls at least one pilot channel (5), whereby the pilot valve is provi...
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