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Patent Searching and Data


Matches 1,151 - 1,200 out of 7,683

Document Document Title
WO/1999/008027A1
The invention concerns a tap with spherical half-faucet plug equipped with a single seat with differential sections operated by the supply line pressure, whatever its direction and by any external source of pressure and for all conduit o...  
WO/1999/002904A1
A seat structure for a ball valve includes a seat member (40) formed by rolling up an alternate stack of a thin steel plate (S) and a thin graphite plate (G). The seat member is provided with a fixture portion fixed into an inner periphe...  
WO/1999/001700A1
The invention concerns a tap comprising a rod (6) adjusting the gas flow rate arranged inside a bore (18) of the tap body (4), comprising a cavity (80) communicating axially with a first gas passage (30), and laterally with an orifice 83...  
WO/1999/000619A1
A method and apparatus for on-line detection of leaky emergency shut down or other valves (10) in a fluid transport system having an upstream pipe, a downstream pipe and the valve (10) connected between the upstream pipe and the downstre...  
WO/1998/058201A1
A metering valve for the delivery of pasty mediums consists essentially of a valve housing (2) with an inlet opening (3) and an outlet opening (4) and of a flow restrictor (5, 15) movably arranged in the valve housing (2). The flow restr...  
WO/1998/056996A1
The evacuation system comprises a valve with a body (1) and an obturating element (2), and obturating element moving means which cause a displacement of the obturating element between the closing position and an auxiliary position, and i...  
WO/1998/053676A2
A check valve (1) comprising a body (2) having an inlet (4) and an outlet (28), an inlet chamber (5) and an outlet chamber (27) mounted in the said body (2) between the inlet (4) and the outlet (28), the said inlet chamber (5) being prov...  
WO/1998/052400A2
The invention relates to an improved valve of the double block and bleed type construction wherein a pair of independently and externally actuable ball valves are provided as a contigency measure within the valve to prevent catastrophic ...  
WO/1998/048214A1
The invention relates to an arrangement in a circulation lubrication system, the arrangement comprising control means for controlling, in a desired manner, the flow of lubricating oil supplied to a part to be lubricated. To achieve accur...  
WO/1998/045628A1
A valve (400) comprising a tapered wedge gate closure member (424) which is actuated by a stem (422) that is operatively connected with the valve operator at the upper end, the lower end of the stem connected to a toothed pinion (432) en...  
WO/1998/040612A1
The invention relates to a drum controller (10) especially for use in an induction device for a multicylinder internal combustion engine. An induction distributor (11) comprises individual induction pipes (16-19) positioned next to each ...  
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...  
WO/1998/031957A1
An internal diffuser (30) on a diffuser stem (34) is disposed in a bore of a rotary control valve (24) for attenuating vibration in gas service or cavitation in liquid service.  
WO/1998/031956A1
The invention relates to a shut-off valve (1) for pipes (2) and/or reservoirs for receiving liquids. The shut-off valve (1) comprises a dividable valve housing (3) with an inlet opening (4). A spherical closing element (5) which also has...  
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) ...  
WO/1998/014727A1
A ball valve (10) comprises a main opening (14) and an auxiliary opening (14A) which serve as an opening on an inflow side of a passing hole (13) of a ball (12), and a sector opening (15) which serves as an opening on an outflow side of ...  
WO/1998/014629A1
The invention relates to wear resisting parts for process valves. The use of said parts can be specially advantageous in the chemical and petro-chemical industry, in the mining industry and in other processing industries. According to th...  
WO/1998/013422A1
A fluid seal for ball control valves formed from a composition comprising a fluorinated resin, a reinforcing polymer, and, optionally, molybdenum disulfide, which has been compression molded in a tube mold, heat sintered and annealed. Su...  
WO/1997/049943A1
A locking valve for controlling fluid flow within a conduit has a spring-biased detent (34) in fluid communication with a fluid source. A movable valve structure (10) prevents fluid flow through the conduit in a closed position and enabl...  
WO/1997/049942A1
A slide valve has a cylindrical valve housing (1) with at least one opening (2) and a turnable slide (3, 5) for closing and uncovering the opening (2). The valve slide, whose sealing surface is congruent with the valve housing, comprises...  
WO/1997/047904A2
A rotary valve provides a casing having an inlet (26) and an outlet (28) and a shaft mounted plug (34) that selectively covers the inlet. A seat ring (48) having an inner seating shoulder (52) that is eccentric relative to the body bore ...  
WO/1997/036125A1
A rotary ball valve assembly and method for forming utilizes a compression spring subjected to a non-torsional, axially directed compressive force to urge an annular seal (66) into sealing engagement with a rotatable ball and, while so s...  
WO/1997/035132A1
A valve is proposed for fitting in thick matter pumps, with the aid of which even highly de-watered sludges and thick matter containing coarse foreign bodies can be pumped or blocked without pump outages or increased wear. This is achiev...  
WO/1997/035130A2
A valve (10) for feeding abrasive particulate material to, and removal of particulate material from a pressurized vessel, adapted to operate at temperatures above 500 �C, comprises a valve structure wherein a single shutoff member (14)...  
WO/1997/034097A1
A control valve comprises a valve body (1) including two flow channels (2, 2'); a cup-formed, steplessly turnable closure member (5); and a shaft (6) for turning the closure member. On the sides of the closure member there is at least on...  
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...  
WO/1997/021960A1
The present invention provides an assembly (1) for controlling supply of gaseous fuel to a gas burner. The assembly (1) includes a manifold (2) of tubular construction (3) defining a passage for supply of gas therethrough. The assembly a...  
WO/1997/021051A1
A rotary valve (10) is provided including a valve element (32) mounted within the flow path (14) of a body (12) and rotatable about a stem axis. A peripheral seating surface on the valve body (12) surrounds the flow path through the valv...  
WO/1997/018359A1
The present invention relates to a wireless temperature monitoring system useful in reducing the risk of scalding to a user. The system includes a temperature sensor/transmitter (16) on the end of a faucet (12) which communicates via a w...  
WO/1997/014899A1
A valve assembly (100) comprises a valve body (110) having a fluid flow passageway (112-114) in communication with the valve body cavity (116) in which is disposed a flow control member (118) for selectively closing or opening the fluid ...  
WO/1997/013398A2
Valve member (3) has a limited freedom of rotation and/or translation in a plane perpendicular to the system axes and around spindle system (5). A pretensioned spring (4) is arranged inbetween valve member (3) and the spindle eccenter (5...  
WO/1997/009550A1
A self-adjusting ball valve assembly having a ball valve body, a shaft assembly or shaft mounted to the ball valve body, a spherical segment carried by the shaft, and elements for adjusting the position of the shaft. The ball valve body ...  
WO/1997/007355A1
A device for controlling fluid flow through a conduit includes a ball valve (10) with a ball (24) having a conduit (26) terminating at an end thereof in an outlet orifice (39) having a non-circular shape. The orifice shape is compound an...  
WO/1997/006375A1
A valve (10) comprises a tubular insert (14) defining an inlet duct of given cross-sectional shape. A valve member (40, 42) is arranged to rotate about an axis. The valve member (40, 42) is formed with a recess (44, 46) extending from a ...  
WO/1997/005418A1
A ball valve for controlling fluid flow comprises a housing (10) with a chamber (18) therein and a fluid flow passage (15) therethrough having an inlet and outlet portion (24, 26) to and from the chamber adjacent the lower end of the hou...  
WO/1997/004257A2
A gas isolation valve which is capable of maintaining a reliable seal even if exposed to a fire. In one arrangement a ball valve is sealed by O-rings (5, 7), the ball valve being in the form of a housing, a ball (3) located within the ho...  
WO/1997/000401A1
A cylindrical plug valve (10) including a body (1) with an internal channel (2) and a cylindrical housing (5), a plug (10) with a cylindrical outer surface closely fitted in the cylindrical housing (5) and provided with an internal duct ...  
WO/1996/040328A2
A cassette for controlling the flow of IV fluid from a patient to a source. The cassette preferably includes, along the fluid passage through the cassette, first and second membrane-based valves (6, 7) on either side of a pressure-conduc...  
WO/1996/035068A1
A system (20) for reducing the initial force required to actuate a valve (14), preferably a rotary valve (14), from its fully closed position is disclosed. The system (20) comprises an operating arm (30) fixed to and rotatable with a val...  
WO/1996/032600A2
A ball valve for use in a pipeline comprising a closure member defining a passageway that is moveable from a closed position for blocking fluid flow to an open position for permitting fluid flow. The closure member having a moveable seal...  
WO/1996/025618A1
This invention relates to an environmental coupling that reduces spillage to less than 1 ml. One ball valve (22') includes flat surfaces (102') on the ball and a retainer (104') with "flats" (106') that correspond to the "flats" on the b...  
WO/1996/025614A2
Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11...  
WO/1996/012131A1
A valve assembly has a housing (10) formed from two valve housing portions (30, 32) which are releasably securable together along a plane which intersects, and is inclined to, a pivotal axis of a valve closure member (12) such that a fir...  
WO/1996/007844A1
A tapered plug valve having a spring means to urge the plug (4) towards its bore (3) in the valve body (1) and adjustment means (22; 85; 111; 146; 178) to locate one of the plug (4) and the spring means (26; 87; 106; 145; 166) in relativ...  
WO/1996/007042A1
The corner valve has a valve piston (10) in a drilling in its housing. The piston (10) is a hollow cylinder with a closed end surface (15). There is an outlet channel (12) in its wall radially in the plane of the water outlet drilling in...  
WO/1996/005455A1
The invention relates to a ball valve (3) with full opening between two tubes (1, 2) and the manufacturing method thereof. The ends (6, 7) of the tubes are sealed in the valve against the valve ball (5) opening and closing the valve and ...  
WO/1996/004498A1
A ball valve has a housing with an inlet and an outlet (8) surrounded each by a sealing ring (4) that lies on the valve plug (1). When the flow channel (2) of the valve plug is aligned with the inlet and outlet of the housing, each seali...  
WO/1996/002732A1
A control flask (22) arranged between a polyphasic pump and a collector for collecting the output from a number of producing wellbores. An extraction assembly (26) within the flask comprises an outer cylindrical tube (27) around an inner...  
WO/1995/035458A1
A dynamic seal (36) is provided between a rotatable ball control member (24) and a noise attenuator (40) in a fluid control valve (10). In one embodiment a noise attenuator is rigidly clamped in the valve body (12) and a floating, spring...  
WO/1995/029651A1
A valve for urine drainage applications has a valve housing (1) for attachment to a urine receptacle and a valve member (8) rotatable within the valve housing between an open position, in which liquid can flow from the receptacle along a...  

Matches 1,151 - 1,200 out of 7,683