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WO/1999/064164A1 |
The invention relates to a prestressed controllable flow-through limiting valve, especially a spraying valve with a valve piston which can move in a valve housing. The valve piston is subjected to the action of the pressure of a control ...
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WO/1999/060293A1 |
The invention relates to an injection device for injecting a liquid medium in a turbocompressor, consisting of an inner shut-off device (3.1) that can be flange-mounted on a corresponding opening in the housing of the turbocompressor; a ...
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WO/1999/053231A1 |
The invention relates to bellows for sealing a valve rod passage in a globe valve. Said bellows are especially configured as expansion bellows or as a corrugated pipe. They provide a reliable, hygienic and durable static seal for the con...
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WO/1999/050579A1 |
An improvement in a valve for refrigerant equipment, such as an ir-conditioner, capable of preventing the leakage of a fluid when the valve is closed and minimizing the flow resistance of the fluid when the valve is opened. The valve is ...
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WO/1999/047840A1 |
A valve (100) with fire-resistant seal (170) for use in industrial piping applications. The valve (100) includes a valve body (102-105) with a valve element (108) therein. A conventional primary seal (132-134, 136, 138, 140 and 142) is u...
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WO/1999/047842A1 |
A bellows valve assembly (11) includes a valve body (13), a bellows housing (39) and a valve actuator (15). The valve body (13) includes an inlet (17), an outlet (19) and a valve seat (29). A valve closure element (25) is engageable with...
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WO/1999/041533A1 |
A cartridge type flow control valve which can be directly installed on a piping without the need of a valve casing and ensure a sufficient sealing property and prevention of stem fixation, comprising a valve disc (1) cantilever-supported...
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WO/1999/036716A1 |
A stem (40) seal assembly comprises a stem having a top end (41) and a bottom end (42). The stem is adapted to fit in a valve body (20) and interface with the valving member (30). A ball segment (43) integral to the stem has a top surfac...
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WO/1999/035437A1 |
A valve assembly has a unitary Teflon?TM¿ valve housing (10). A pair of rigid tubes (60) are disposed in the openings (36, 48) at the valve seat (40), each tube forming a fluid-tight seal with periphery of the corresponding opening (36,...
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WO/1999/028662A1 |
Arrangement at a stuffing box unit (P) in a pipe system under an over atmospheric pressure, e.g. a radiator valve of a heating or cooling system, which prevents that a spindle (4) arranged in a stuffing box sealing (P) gets stuck due to ...
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WO/1999/002908A1 |
A diaphragm valve (10) is provided with a valve housing (12) having an inlet passage (20) extending into a chamber (14) and an outlet passage (24) extending from the chamber (14). A diaphragm (26) is mounted to the valve housing (12) for...
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WO/1998/058198A1 |
A valve packing compression apparatus and method of use therefor are disclosed for compressing packing rings into a stuffing box of a valve bonnet which has a gland follower. The compression apparatus includes a base plate configured to ...
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WO/1998/054495A1 |
A valve device in a fluid system comprising a valve housing (10) provided with an inlet opening (11) and at least one outlet opening (12) and a valve seat (13) in connection to said inlet opening. The device further comprises a valve rod...
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WO/1998/052624A2 |
A volumetric pump comprisis a first housing (16) having an elongate cavity therein with an open and a closed end. A resilient sheet of material (20) having a centrally-located aperture covers the open end. A pump shaft (60) is slidably d...
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WO/1998/049477A1 |
The invention relates to a regulating valve comprising a valve housing (1) and an essentially horizontally arranged, linearly movable valve means (2) for regulating a flow through the valve. The valve means is by a cylindrical portion (2...
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WO/1998/039588A1 |
A ball valve for controlling fluid flow comprises a housing (10, 12) with a chamber (18) therein and a fluid flow passage (15) therethrough having an inlet portion (24) and outlet portion (26) to and from the chamber (18) adjacent the lo...
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WO/1998/034056A2 |
A flow control device includes a first body (10) and a second body (26); a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal (28) that is disposed axially between the first and seco...
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WO/1998/034020A1 |
In the throttle housing (1) for the internal combustion engine of a motor vehicle, a throttle shaft (5) which extends through openings (3, 4) in the throttle housing (11) is sealed with a curable sealing material (11) which prevents air ...
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WO/1998/019087A2 |
A valve assembly configured to maintain a seal during thermal cycling includes a valve body (12) defining a flow passage, and a fluid control member disposed in the flow passage for controlling the flow of fluid. An actuating shaft (26) ...
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WO/1998/019089A1 |
The invention concerns a radiator valve (1) with a housing (2, 3), a closure element (5) movable in the axial direction (6) towards or away from a valve seat (4) and a tappet (8) movable in the axial direction, which is led to the outsid...
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WO/1998/019088A1 |
A fluid control valve includes a valve bonnet (30) and a packing nut (56) threadably engaging the valve bonnet. A valve stem (26) passes through the valve bonnet and the packing nut in a clearance fit so that there is no engagement there...
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WO/1998/016765A1 |
An all metal diaphragm valve (10) is provided. The valve includes a housing (12) having an inlet passage (14) and an outlet passage (30) each of which communicates with a valve chamber (20). Portions of the inlet passage (14) in the valv...
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WO/1998/004259A1 |
A pharmaceutical composition containing (a) a thienopyridine derivative of formula (I), wherein R is hydrogen or a C�1-4? alkoxycarbonyl group, or a pharmaceutically acceptable salt thereof; and (b) an HMG-CoA-reductase inhibitor, is d...
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WO/1997/042410A1 |
An ambulatory volumetric pump apparatus includes a housing (4) defining a channel therethrough having an inlet (12) for receiving a fluid and an outlet (16) for discharging a fluid, a pump operable to pump fluid through the channel, a mo...
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WO/1997/041939A1 |
The invention relates to a plastic end disc for an annular filter element which can be replaceably used in a filter housing and through which flow is radial. Said end disc is meant to rest tightly and permanently in a radial manner again...
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WO/1997/040302A1 |
The invention is a bellows valve (40) which seals the stem (4) of the valve (40). Dirt and other contaminants are trapped by the bellows (5). The valve (40) includes a cover (2) having a sintered metal filter (3) therein. The filter (3) ...
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WO/1997/039267A1 |
A valve apparatus (20) includes a relatively simple yet effective way to monitor leakage in the valve apparatus (20) in accordance with one embodiment of the invention. The valve apparatus (20) comprises a housing (25) defining a product...
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WO/1997/031211A1 |
An external valve operating means (51) that forms a seal (71) around the rotating valve stem (11) of a valve (3) operating under internal pressure is disclosed. This seal (71) prevents the escape of fluids should the valve's primary seal...
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WO/1997/030303A1 |
A stem seal having first and second wiping members (30, 32) circumjacent a stem is disposed within a bore. A lubricant-bearing ring (40) is disposed about the stem within the bore between the wiping members, under compression therefrom. ...
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WO/1997/029309A1 |
A retrofit valve stem seal assembly (100), which can be retrofitted to existing quarter-turn valves already in service, is provided. The retrofit valve stem seal assembly is added to the valve stem (2) by inserting a valve stem adaptor (...
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WO/1997/025560A1 |
A valve unit (10) to control the flow of high-pressure fluid comprising a housing (10) having an inlet (21) and an outlet (23); a port (27) communicating between the inlet (21) and the outlet (23), and a seat (29) about the flow port (27...
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WO/1997/015771A1 |
The invention concerns a solenoid valve with a lift armature (8). The solenoid valve is actuated by a push-rod as a function of the current-carrying or currentless state of an electromagnet, the push-rod being surrounded by bellows (12) ...
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WO/1997/014900A1 |
A ball valve stem seal comprises a primary seal washer (29), a backup ring (35), O-ring (37), washer (41) and a wave spring (43), whereby the O-ring (37) is maintained in a state of controlled squeeze where it is subjected only to radial...
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WO/1996/028680A1 |
A valve device comprising a body (1), a closure member (2) operated by a shaft (3) guided through a neck (4) in the body (1), and a liner (5) provided with a flange (6) extending along part of the length of the neck (4). The sealing cont...
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WO/1996/027095A1 |
A gas valve comprising a valve body which is capable of butting against a valve seat so as to close the gas valve. The valve body comprises a membrane which is fixed in the valve housing at its outside edge, in such a manner that a contr...
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WO/1996/027096A1 |
A housing for a gas valve or the like, said housing comprising a first housing portion, which is connected to a second housing portion with the interposition of a flexible sealing element, whereby each housing portion is provided with a ...
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WO/1996/023153A1 |
A slide valve assembly is provided especially for controlling the flow of powder materials along a duct. A closure assembly (20) is releasably attached to a valve body (12) and includes a closure member (22) reciprocally moveable between...
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WO/1996/015402A2 |
A retrofit second packing chamber (50) for quarter-turn valves (10) that permits existing valves to be modified so as to meet modern emission standards without requiring replacement of the valves, and which can be assembled to existing v...
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WO/1996/007831A1 |
A resilient annular bearing positionable around a rotating shaft (12) which self-adjustingly stabilizes the shaft (12) with respect to a sleeve in which the shaft rotates. The bearing has opposite undulating surfaces, made up of a series...
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WO/1996/006295A1 |
The invention concerns a tap fitting in which the gap between the tap spindle and the spindle lead-in in the housing is sealed off by means of a bellows-type seal. The end of the seal nearest the housing is connected to a sleeve which is...
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WO/1996/005460A1 |
A gas cylinder valve with (1) minimum wetted area has a one-piece valving assembly (53) comprising a valve member (19), a non-perforated diaphragm member (37) and a valve stem (51), the latter including a threaded stud (59) and a stem sh...
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WO/1995/033945A1 |
The invention concerns a seal for valve shafts, a compartmented L-section sealing element being used to absorb both sealing and bearing forces.
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WO/1995/033154A1 |
A valve (1) is disclosed having a closure member (4) which co-operates with a valve seat (3) and is movable by an actuating device with a driver element (5), which driver element is guided in a housing (2). It is desirable for such a val...
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WO/1995/029354A1 |
The invention concerns a sealing arrangement for a spindle (1) which is guided in an axially movable manner out of a housing (2) which is pressurized by an operating medium. The arrangement comprises a plurality of packing box - annular ...
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WO/1995/025236A1 |
A fluid valve assembly has a valve body (10, 50) which defines a valve chamber (16, 48) and has inlet and outlet ports (12, 14, 38, 46). A resilient valve member (20, 40) lies within the valve chamber. In one embodiment, the member has a...
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WO/1995/023935A1 |
A two-part, low friction, live loaded packing system for fire safety and low fugitive emission sealing (less than 500 ppm) of a valve stem at operating temperatures up to 450 ??F (232 �C). One lower packing ring set around the valve st...
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WO/1995/019550A1 |
A compression spring (1) is formed of elastic material in a shape resembling a trumpet horn. Novel valve structures incorporate the trumpet horn spring as a component, the latter of which serves therein to make the valve self restoring a...
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WO/1995/011396A2 |
A valve assembly comprising a main valve body having an inlet flow passage and at least one outlet flow passage and a flow chamber extending between the same. The main valve body has a valve seat surrounding the inlet flow passage. The v...
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WO/1995/002778A1 |
In a preferred embodiment, in a fluid flow valve (10) having a body (12) and having a movable member (82) with lower face, the movable member (82) being movable between a position spaced from a sealing position in the body (12) when the ...
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WO/1995/001526A1 |
The invention relates to a valve for a pipe or reservoir, comprising a housing, a shut-off element, a rotatable operating shaft which runs through the housing, and a primary seal on the shaft. Seen from the shut-off element a secondary s...
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