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WO/1991/008532A1 |
Described is a tap-water mixer unit, in particular one having a single thermoregulator, with cold-water and hot-water supply lines and a mixed-water output, and with shut-off and throughput-control valves located upstream of the thermore...
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WO/1991/003217A1 |
A tap for interconnection between a urine collection bag (1) and a tube (2) joined to a reservoir bag, has tubing (3) incorporating a barrel (4). A cylindrical control member (5) is mounted within the barrel (4) and is movable between op...
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WO/1991/002183A1 |
A combination valve formed of a valve body (10) having a flow passageway (14) therethrough and an opening in the top (18) communicating with the passageway. The body receives a rotating member (24), within the flow passageway (14). The r...
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WO/1990/013764A2 |
Once a new oil well has been drilled and cased, a test string is set in place for the purpose of evaluating the production potential of the chosen formation. One way of controlling the operation of the various tools included in the test ...
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WO/1990/009538A1 |
Valve apparatus, in particular a rotatable valve comprising an upper part (10) and a lower part (6) which are demountably attached to each other. The valve's lower part (6) is mainly U-formed with sealing surfaces (17, 18) arranged on th...
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WO/1990/008278A1 |
A ball valve (10) has a ball valve member (34) mounted for floating movement in a valve chamber (32) between an upstream metal seat (102) and a downstream metal seat (104). Each metal seat (102, 104) fits within a recess (100) and has a ...
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WO/1990/008277A1 |
In one aspect the invention relates to a ball valve of the type comprising a ball member (83, 85) provided with two axially displaceable sleeves (66A, 66B) adapted to be displaced outwards to sealing engagement against seats provided in ...
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WO/1990/004123A1 |
Ball valve for use particularly in subsea hydrocarbon production systems, comprising a valve body (1) having a cavity of generally conical shape and communicating with inlet and outlet ports (11, 12) having a common axis (10), an insert ...
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WO/1990/004126A1 |
This invention relates to a valve (1) comprising a valve body (2) and a dismountable closing means (3). The closing means (3) comprises a closing member (18) and a support (16) which carries the closing member (18) is received in an inne...
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WO/1990/001650A1 |
A valve has an operating mechanism which comprises a lever (2) having a projection engageable in and disengageable from formations in fixed and moveable superposed stop plates (6) and (5). Plate (6) has long and short peripheral formatio...
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WO/1989/010506A1 |
A spring for a top entry ball valve includes a generally ''u'' shaped spring body (50A) with an open end. The ball valve includes a valve body (12) with inlet and outlet flow passages communicating with a valve chamber. A ball element (1...
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WO/1989/010507A1 |
A stop valve (1) comprises a housing (2) having a passage (15) for a reversible medium flow, which can be stopped by means of a valve body (20) having an annular portion of a sphere as a sealing surface (25), which includes a flat end po...
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WO/1989/001583A1 |
A ball valve is provided in which the outer housing (1) can be left in a pipeline during servicing and a sub-assembly can be removed as a unit from the top of the outer housing (1). The sub-assembly comprises an inner housing (8) in whic...
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WO/1989/001584A1 |
Apparatus for maintenance of the moveable pipe sleeves (52), bearing surface and seals of a ball valve. The apparatus comprises a bonnet (7) designed to be secured to and form a tight connection with a valve flange (53) and fastened to t...
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WO/1989/000654A1 |
A fuel control device comprises a throttle valve unit (36) for throttling fuel flow to a burner (35), and a selector (37) operatively interconnected to the throttling fuel flow to a burner (35), and a selector (37) operatively interconne...
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WO/1988/009892A1 |
A ball valve having a valve body (1) wherein a valve member (6) is housed. The valve member rotates around an axis (41). The valve member (6) comprises a flow passage at the one end (40) of which a zone formed surface (43) is provided at...
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WO/1988/006691A1 |
The gas safety cock comprises a switch (5) mounted rotationally in the cock chamber (1). The switch is coupled through a switching shaft (6) to a control lever (10). The control lever comprises an outer part (11) and an inner part (25). ...
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WO/1988/005879A1 |
The telecontrollable valve comprises, on a piping, a body (1), an inner assembly (20), an actuator (70) and a holding assembly (40). These various parts may be locked and unlocked easily by means of tools having reduced possibilities, an...
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WO/1988/005880A1 |
Valve assembly for adjusting a fluid flow comprising a housing (1) provided with an inlet (2) and an outlet (3) for fluid and a spherical body (4) rotatably arranged in the valve housing (1) between the in- and outlet (2, 3) and mounted ...
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WO/1988/004380A1 |
Control- or shut-off valves of the type having a rotatable shut-off member (4) in the form of a ball or a segment or a sector of a ball in a valve housing. A seat ring (10) is lodged to slide in a recess (11) in the valve housing or betw...
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WO/1987/003665A1 |
A faucet valve (10) includes a ball valve (28) seated in a valve chamber (18). The ball valve (28) has a plurality of apertures (46) circumferentially spaced about the control stem (32) which extends through an opening (60) in the cap as...
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WO/1987/000597A1 |
The ball-valve comprises a casing (1) with two coaxial stub pipes (4, 5) in which is fitted in a floating manner a ball (2) which can be made to rotate via a control shaft. In the event of a pressure differential between the inlet side a...
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WO/1987/000598A1 |
A fluid stream cock comprising a cylindrical pipe member (2) whose lower end is prearranged for its connection with the main duct (1) of the fluid stream, said member (2) also having two holes that communicate with deflecting ducts (3, 4...
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WO/1986/006454A1 |
A drill string safety valve operator provides a rotatable tubular body (12) having a longitudinal through bore (16) for conveying fluids. A valve member (20) is movably disposed within the body for valving the fluid flow through the bore...
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WO/1986/003271A1 |
A valve, which is especially suited for use in connection with a urine bag comprises a cylindrical valve body (12), which is displaceably and rotatably mounted in a tubular valve housing (11) having a transverse flow passage (16) defined...
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WO/1986/000969A1 |
A fluid distributor valve, for use in an aircraft fire protection system, comprises a rotary valve member (60) driven from a normal position in which inlet ports (52, 54) communicate with outlet ports (56, 58) respectively to a switched ...
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WO/1986/000682A1 |
A metering apparatus and system for controlling the administration of IV fluids having a valve housing (14, 60, 102, 202, 302, 505, 602) with a valving chamber therein. A rotatable valve body member (40, 80, 125, 220, 322, 502, 618) is p...
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WO/1986/000680A1 |
The valve member (8) of a ball valve is retained in the valve housing (1) of the valve between an annular seal (21) and an annular retainer (22) which is mounted through one of the branches of the valve housing. The annular retainer (22)...
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WO/1985/005429A1 |
A straightway cock has a ball-shaped or cylindrical plug (2), which is pivotally located in a house (1). In the plug (2) there are provided a number of flow channels (9, 10), at least one of which joining a chamber (8) under the bottom o...
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WO/1985/005041A1 |
The flow regulator is used for precise adjustment of gravity infusions or transfusions. A casing (3) with an inlet port (1) and outlet port (2) contains a cylindrical valve body (4), the cover of which has a groove (6) of variable cross-...
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WO/1985/003062A1 |
A tap assembly for "bag-in-the-box" containers for beverages. The tap assembly includes a tubular spout (1) and hollow probe (11) movably located in the support and in sealing engagement therewith. Radial openings (13, 8) in the walls of...
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WO/1985/001999A1 |
A safety valve which may be installed on an offshore wellhead above the tubing head and below the Christmas tree. The valve has a housing (12) with upper and lower vertical passages (32) and a lateral housing passage (16). A cylindrical ...
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WO/1984/004794A1 |
A valve seal (8, 9) particularly suitable for cryogenic service comprises a hollow generally cylindrical member fabricated from a material which under cryogenic service conditions is flexible but substantially incompressible. Spaced annu...
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WO/1984/003750A1 |
A valve body has a stem passage (12) rotatably receiving a valve stem (C). A packing (54) surrounds the stem in the passage and a packing nut (90) threaded on the stem applies axial force to radially expand the packing into sealing engag...
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WO/1984/002168A1 |
Closing and sealing device for valves provided with a valve housing and with a cylindrical, conical or spherical closing body. The technical improvement according to the present invention is characterized in that a pressure block (4) of ...
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WO/1984/001799A1 |
A safety valve (10) adapted for placement above a wellhead. The valve has a housing (11) having coaxial upper (24) and lower (23) vertical housing passages, the diameter of the upper and lower passages being sufficiently large to pass a ...
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WO/1984/001011A1 |
Seal (30) for a rotary hydraulic valve (14) having an inner surface (34) which is concave and spaced from the recess (28) in the rotary core (10) in which it is received. Two parallel troughs are formed in the inner surface (34) between ...
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WO/1984/000795A1 |
A valve for controlling the flow of fluids of a flammable nature and under high pressure, which includes a hollow body (10) having a plug (24) rotatably mounted within the body between the floating seats (30) at inlet (16) and outlet por...
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WO/1983/003292A1 |
The stop or control valves used to interrupt or control fluids flowing through conduits, comprise a housing provided with inlets and outlets as well as an obturation member which can be in the shape of a cylindrical or frustoconical key,...
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WO/1983/001822A1 |
By means of a valve of the type comprising a rotatable valve member, such as ball valves or cocks, and of the type which comprises a valve casing provided with at least two valve ports and an opening provided with a turnable valve shaft ...
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WO/1983/001099A1 |
A "fire safe" stem seal arrangement for ball valves. The stem (28) is rotatably mounted in a stepped bore (22) in the stem housing (21) in the valve body (10) and is provided with a collar (30) with abutment faces (31, 32) opposed to cor...
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WO/1983/000908A1 |
A ball valve (A) designed for high pressure shut-off at fluid pressures approaching the ultimate compressive stress of plastic annular seat rings (120) which are employed. The ball member (40) is trunnion mounted (42, 44) in order to car...
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WO/1982/004470A1 |
A device for attenuating noise of fluid in non-axisymmetric turbulent flow which comprises a conduit (34) and a plurality (12) of parallel aligned nested tubes in said conduit. The nested tubes are of varying cross-sectional size and hav...
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WO/1982/003898A1 |
A seal for ball valve bodies or other valve stems comprising an annular member (11) of curved cross-sectional shape, the member adapted to sealingly engage between relatively movable members (4, 2) under the influence of fluid pressure u...
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WO/1982/001924A1 |
Valves (1) including an apertured body (2) allowing the passage of fluid may be sealed by a resilient closure (8) actuated by actuating means (28) so as to roll a portion of the closure (8) over the aperture (7).
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WO/1982/001052A1 |
An anti-static device for ball valves or other rotary or "quarter-term" type valves. A hole (24) is bored in the stem (15) and a contact assembly incorporating a pair of spring-steel arms (26) is secured in the hole (24) by a tube (29) w...
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WO/1982/001053A1 |
A fire-safe valve structure (10) has a metal seat (52 and 54) with an annular groove (56) therein in which a sealing ring (50) is positioned in face-to-face contact with a valve member (28) movable between open and closed positions. The ...
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WO/1980/002171A1 |
Device on a valve for shutting off and/or controlling a flow of liquid consisting of a valve box with a chamber (6), to which is connected an inlet (16) and an outlet (17) and with a valve body in the form of a ball or cylinder so arrang...
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WO/1979/000212A1 |
A valve for closing or controlling a fluid flow, comprising a control element (4), which for controlling the fluid flow provides for a variable passage area through the device. In order to provide a valve having a simple design and a rel...
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WO/1979/000126A1 |
The tap comprises a shutter (3) controlled by a rod (6) mounted rotatingly into a bore (8) of the body (1) of the tap, this rod (6) being removable with respect to the shutter (3) and engaged into the bore (8) through the bore end (10) w...
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