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WO/2009/077648A1 |
This invention relates to a valve (1), comprising an inlet opening (2), an outlet opening (3) and a flow channel (4) connecting the inlet opening and the outlet opening, which flow channel has a shut-off member (5) from which a shaft (6)...
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WO/2009/019036A1 |
The invention relates to a needle valve arrangement for controlling flowing media, particularly paint materials, in a coating system, comprising a sealing membrane (15) or a sealing bellows that can be moved with and that is tightly conn...
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WO/2009/013467A2 |
A valve body (S) has a bore and a spindle (9) received in the bore, the spindle being actuatable to open and close the valve. A compression gland seal (8) is provided about the spindle and between the spindle and the bore in the valve bo...
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WO/2008/007685A9 |
A shaft seal packing exhibiting high sealing ability in initial assembly and also exhibiting, even after the packing is retightened, excellent sealing ability by an increased seal surface pressure obtained through an effect of pressing a...
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WO/2009/004760A1 |
In a displacement enlarging mechanism (60), a first displacement portion (48) to be pushed by a drive source (50) closes one end side of a first chamber (71), in which a liquid is confined. The other end side of a second chamber (72) to ...
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WO/2008/145891A1 |
The invention relates to a valve that comprises: a base body (10) defining a flow section (22) for a fluid; a stopper member (12) rotatingly mobile relative to the base body (10) about a rotation axis (X-X) between a fluid passage positi...
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WO/2008/130003A1 |
A diaphragm valve directly connected to a gas container and used to supply a high-pressure gas from the gas container to the outside or to place a high-pressure gas into the gas container from the outside. The diaphragm valve has a hollo...
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WO/2008/128632A1 |
The invention relates to a metal bellows (50) for encapsulating a drive shaft of a valve drive, the bellows comprising a bellows body (52) having a bellows wall (56) closed in the circumferential direction and extending in a longitudinal...
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WO/2008/120021A1 |
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/2008/113516A1 |
The invention relates to a valve (10) for separating product media in the pipes (12a, b) of a product-carrying system. The valve (10) has a valve housing (14) and a valve body (16) disposed in a valve housing interior (50). The valve (10...
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WO/2008/110277A1 |
A device (10) for monitoring a hermetically sealed valve interior of an aseptic valve for the chemical or food industry has a container (12), the interior (16) of which may be filled with a liquid (18) and be connected to the valve inter...
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WO/2008/058837A1 |
Roller bearings often have additional functions to the actual function of mounting of shafts or axles for example. In particular, roller bearings are also used for the isolation of various regions, such that the roller bearing also has s...
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WO/2008/056885A1 |
A throttle valve having a magnetic fluid seal structure, which includes a main plate installed at an end of an outlet of a chamber, an opening/closing plate installed at an inside of the main plate, an electric motor coupled to a rotatio...
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WO/2008/026306A1 |
A cam valve in which a zero point adjustment of the valve is simply and easily made by finely vertically adjusting an actuator made up of a stepping motor and a cam mechanism. In the cam valve (1) of a stepping motor drive type, a stem (...
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WO/2008/024898A2 |
A valve packing assembly for a control valve includes a seal assembly, a loading assembly, and a packing retainer. The seal assembly has a seal component to provide a fluid seal around a valve stem and an anti-extrusion component to subs...
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WO2007081702B1 |
A diaphragm valve including a valve body, a diaphragm assembly and an actuator assembly having a housing body that isolates the actuator from the ambient atmosphere. The diaphragm assembly is welded to the valve body to reduce and/or eli...
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WO/2007/142989A2 |
A control stop (16) for a flush valve (22) for a urinal or toilet fixture includes a housing (28) defining a flow chamber (38) divided by a valve seat (42) into inlet (44) and outlet (46) sections. A valve structure (54) is biased toward...
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WO/2007/120836A1 |
The present invention is directed toward a contamination control arrangement for a valve having a valve housing, a land positioned in the valve housing, a valve member including a valve shaft and a valving portion operable for engaging a...
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WO/2007/085236A1 |
The invention relates to a slide bar cap for slide bars comprising a spindle that projects out through the slide bar cap, said spindle activating the actuator that blocks the passage of the slide bar. The aim of the invention is to provi...
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WO/2007/023970A1 |
A fluid control apparatus is provided with a fluid control valve for controlling the pressure of a fluid by pressure operation of a fluid for control; a flow volume measuring apparatus for measuring the flow volume of the fluid, converti...
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WO/2007/022721A1 |
A stem seal using triangle-sectional sleeve as a cylinder seal or a stem seal using a coupling set of spherical wedge/socket as a shoulder seal could endure solely the bursting pressure test without leaking. The section of said sleeve is...
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WO/2007/023972A1 |
A fluid control apparatus is provided with a fluid control valve for controlling the flow volume of a fluid by changing an opening area of a flow channel; a flow volume measuring apparatus for measuring the flow volume of the fluid, conv...
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WO/2007/021619A1 |
A packing nut assembly for a control valve having a valve body and a valve stem includes a packing box (40) arranged for operative coupling to the valve body and having a primary bore (66) sized to receive the valve stem (38) and first a...
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WO/2007/005860A2 |
According to some embodiments, a first sealing portion is provided on a valve shaft to seal a chamber. The first sealing portion may, for example, seal the chamber when the valve shaft is inserted a first distance into an opening of the ...
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WO/2006/118051A1 |
A seal structure sealing a fitted part between the guide surface of a bearing part and a shaft part to prevent a fluid from flowing in a direction from a high-pressure fluid side to a low-pressure fluid side. The seal structure comprises...
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WO/2006/113714A1 |
Precision metering valves include a body (12) having a fluid inlet port (14), a fluid outlet port (16), a fluid chamber (18) interposed therebetween, and an orifice (38) disposed within the fluid chamber. The orifice has an opening that ...
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WO/2006/101600A1 |
Split packing followers for use with valves are disclosed. A disclosed packing follower includes a first member having a first portion of a flange and a first portion of a curved wall extending substantially perpendicularly from the firs...
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WO/2006/072468A1 |
The invention relates to a stopcock for fluids, comprising a housing (2) with an inlet (3) and an outlet (4) access and a closure plug (1) in the housing, with a spindle nut (9) and a closure membrane (6) adhering thereto, controlling th...
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WO/2006/052237A1 |
The present invention is directed to a metal valve stem seal and sealing system comprising a valve body; a metal valve stem housed within the valve body; a bonnet member housed within the valve body; a U-shaped metal stem gasket position...
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WO/2006/042545A1 |
The invention provides a valve with a bellow (1, 4) and a method of making such a valve with a bellow. The bellow comprises a sidewall (1) and a bottom part (4) formed from a single plate of a sheet material. The bellow thus forms a comp...
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WO/2005/121619A1 |
A valve body capable of preventing a seat part from being deformed by a stress caused by nonuniform tightening and completely closing a valve in a closed state and the valve having the valve body. The body (12) of the valve (10) formed o...
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WO/2005/106302A1 |
A backup stem seal for a gate valve retains pressure in the body when the valve is in the closed position. The backup seal is secondary to the main stem seal assembly (20) in the bonnet (12). It features metal-to-metal contact between su...
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WO/2005/095833A1 |
An embodiment of the present invention relates to self-contained biasing assemblies for use with fluid flow devices or assemblies, such as valve and pressure regulator assemblies. A self-contained biasing assembly (16) of a fluid flow as...
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WO/2005/080844A1 |
A catering tap comprising: an operating handle (10) ; a body (1) containing an inlet (2), an outlet (3) and a valve ; the valve comprising a valve member (4) cooperating with a valve seat (5), the valve member (4) being moveable between ...
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WO/2005/075865A1 |
A valve has a drive section (2) with a piston (4) for axially driving a valve body (7), a valve main body (1) having at one end in the axial direction a valve chamber (17) for receiving the valve body (7), and a base seat (3). The drive ...
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WO/2005/054733A1 |
A method and apparatus for setting a desired load applied to a device such as a valve. A tool (40) is applied to the valve (10). Force applied to the tool is transmitted to the valve packing (12). A selected load force is applied to the ...
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WO/2005/045288A1 |
A diaphragm valve (1) where an air-tight space is formed, by a diaphragm valve body (20), in an opening section in the upper surface of a body (10), an urging force of an urging member (33) presses the diaphragm valve body to a valve sea...
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WO/2005/040646A1 |
An apparatus for sealing an operating member of a sliding or rotating assembly includes a seal formed by a composition of materials. A plurality of abrasive particles are incorporated into the composition and thus positioned within the s...
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WO/2005/033564A1 |
A chemical liquid valve (1A) with stable sealing performance allowing a diaphragm (7) connected to a piston rod (10A) to come into contact with or apart from a valve seat (5) installed between an input port (3) and an output port (4). A ...
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WO/2005/022018A1 |
[PROBLEMS] A receiving opening of a joint for working fluid, the receiving opening having high breaking strength and excellent corrosion resistance, and a valve having the receiving opening are provided. [MEANS FOR SOLVING PROBLEMS] A fe...
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WO/2005/015004A1 |
A metering device for a pressurised fluid comprises a housing (1), a valve needle (2) and a bushing element. The device is formed by crimping the bushing element to the valve needle to avoid cracking of the needle. A further adhesive sea...
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WO/2005/010419A1 |
A low pressure backseat sealing apparatus having a flexible sealing lip which contacts the backseat prior to contact between a stem shoulder and the backseat, with the stem shoulder positioned above the flexible lip, thereby limiting ste...
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WO/2004/113775A2 |
A low-leakage valve apparatus which reduces fugitive emissions from valves to the ambient atmosphere. A secondary packing chamber or gland is installed on an existing valve to intercept leakage past the valve's original primary packing g...
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WO/2004/109170A1 |
The invention relates to a seal to be used as a valve stem seal in a valve for controlling flows containing solid material such as slurry flows with an actuator. The seal (4) is positioned outside of the valve body (10) so that the insid...
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WO/2004/104455A1 |
A dynamic sealing arrangement for preventing leakage of a fluid along a shaft includes multiple seals and pressurized barrier sealarit. According to one aspect, at least three seals are arranged along the shaft with pressurized barrier s...
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WO/2004/081427A2 |
A sanitary diaphragm valve is provided that includes a generally dome shaped diaphragm (E) having a central boss (12) that can be connected to or driven by a valve actuator (C). The diaphragm (E) includes an outer peripheral edge (14) an...
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WO/2004/081428A2 |
An adjustable mechanism (60) for a valve or actuator is provided. The adjustable mechanism cooperates with one or more pistons (42), which in turn cooperates with a valve element (30) to limit the axial displacement of the valve element ...
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WO/2004/072526A1 |
A fluid control valve, in which the usual metal stem guide bushings have been eliminated, includes a valve bonnet (30) and a packing nut (56) threadably engaging the valve bonnet (30). A valve stem (26) passes through the valve bonnet (3...
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WO/2004/065834A1 |
The present invention relates to a stuffing seal comprising a case (3a) provided with an axial hole (3a) for the passage of a stem (103) being mobile with respect to said case (3); a gasket or packing (5) arranged in a seat (3b) formed w...
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WO/2004/040109A1 |
A housing flange unit comprising a housing flange (1) wherein a butterfly valve shaft (2) is rotatably mounted in a perpendicular position in relation to the longitudinal axis of the housing flange (1) and comprises a butterfly valve (3)...
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