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Patent Searching and Data


Matches 251 - 300 out of 3,137

Document Document Title
WO/2004/006035A1
A fluid control valve comprises a main body (1), a bonnet (2), a spring seat (3), a piston (4), a spring (24), a first diaphragm (27), a first valve member (5), a second valve member (6), and a base plate (7), wherein the opening area of...  
WO/2004/003413A1
The invention relates to a shut-off fitting (1) for a flowing medium, particularly a slide fitting (2) that is designed for being subjected to the action of pressure on both sides. The inventive shut-off fitting comprises: a fitting hous...  
WO/2003/106874A1
A method for producing multilayer seals and multilayer seals thereby obtained, wherein the pressure in the volume between the layers is brought to a preset value, at least one of the faces between the layers being provided with channels ...  
WO/2003/102451A2
A rotary actuator for a valve includes a cam mechanism for transmitting opening force to a movable valve member to move the valve member off a valve seat, against the bias of a closing spring. The cam mechanism does not transmit spring f...  
WO2001073327A9
A sanitary diaphragm valve (10) is provided that includes a generally dome shaped diaphragm (E) having a central boss that can be connected to or driven by a valve actuator (D). The diaphragm includes an outer peripheral edge and a relat...  
WO/2003/078826A1
The invention relates to a fuel injection valve (1), especially an injection valve for fuel injection systems in internal combustion engines. Said fuel injection valve comprises a membrane (10) which is guided around an injection-side en...  
WO/2003/064906A1
The invention relates to a valve, in particular a water valve for the heating circuit in a motor vehicle. Said valve comprises a housing (11) with at least two openings (12, 13) for the supply and evacuation of a flowing medium, in addit...  
WO/2003/062542A1
The shower hose comprises a flexible element (2) connected to a two-way valve, having a body (3) with a core (4) arranged therein which is crossed by a longitudinal pipe (6) for the passage of water. The valve comprises a gate (5) actuat...  
WO/2003/052308A1
The invention relates to a valve that can be controlled by fluids under pressure, comprising a valve spindle. According to the invention, a pressure relief space is provided between the flow channel (28, 29) and the cylinder/piston assem...  
WO/2003/048617A1
A manifold valve comprises a main body (1) and drive portions (2), (3) having valve bodies (46), (47). In the main body, there are formed at least a set of a main flow passage-side valve chamber (17) and an auxiliary flow passage-side va...  
WO/2003/044409A1
A fluid control valve includes a valve body, having a fluid inlet passage (32), and a fluid outlet passage (34) . The control valve further includes a valve stem (44 ) and a one−piece self−retaining bushing (52a) that guides the valv...  
WO/2003/044397A1
A pressure release valve, comprising a shaft part (20) concentrically installed in a pressure release port (10) provided in a sealing plate (3) sealingly fitted to the opening part of the case of a capacitor or a battery and the valve bo...  
WO/2003/038321A2
A diaphragm control valve provides substantially straight-through fluid flow, which enables a high-flow capacity with minimal pressure loss. The non-planar diaphragm (200) when standing in a non-stressed state, is substantially an annulu...  
WO/2003/036146A1
A valve for operation with a corrosive fluid includes a valve housing having fluid conduit (14, 16) and defining a valve seat (20), a closure member (24), and a valve actuator (30) for moving the closure member between a closed position ...  
WO/2003/029704A1
An improved seal arrangement in an assembly such as a valve assembly provides a compression member (42) to press a seal (20) between the compression member and the first portion (21) of the seal. A second portion (22) of the seal is disp...  
WO/2003/027546A1
To provide a novel gland packing and a sealing apparatus comprising this, wherein the gland packing displays high and stable sealability for a stem and an inner wall surface of a stuffing box even for uses further requesting the movabili...  
WO/2003/020664A1
The invention relates to a sealing ring made of a deformable material and having a radially inward-pointing inner sealing surface, and a radially outward-pointing outer sealing surface. According to the invention, the sealing ring furthe...  
WO/2003/001093A1
A manifold valve, comprising a body and drive parts for driving a plurality of valve elements installed in the body, the body further comprising a main flow passage side valve chamber and an auxiliary flow passage side valve chamber allo...  
WO/2002/099324A1
A four−way valve, comprising a body having a main flow passage, a valve chamber, and a pair of branch flow passages and a cylinder body having a piston inserted therein, wherein the valve chamber is allowed to communicate with the main...  
WO2002073075A8
A valve for sampling a process from a tank or conduit includes an internal cavity (11) in communication with at least one inlet (20) and an outlet (32). A valve actuating rod (130) includes a sealing tip (62) attached to one end thereof....  
WO/2002/073075A1
A valve for sampling a process from a tank or conduit includes an internal cavity (11) in communication with at least one inlet (20) and an outlet (32). A valve actuating rod (130) includes a sealing tip (62) attached to one end thereof....  
WO/2002/066876A1
A valve body for a valve includes a body (3) having an internal cavity (13) formed therein. An inlet passage (27) and an outlet passage (31) are formed in the body (3). ________________________ The inlet passage (27) has an inlet opening...  
WO/2002/065003A2
A plurality of embodiments of a flexible, discrete valve seat according to the present invention are provided for use in a high-purity valve. In one embodiment, the valve seat is retained in contact with a sealing surface on the valve bo...  
WO/2002/065007A1
The invention relates a valve for gas or fluid pipe comprising a valve body, avalve cap, a valve element with a head section, a sealing element, and an actuator, wherein the sealing element is a bellows which has a bottom (3) inserted in...  
WO/2002/059514A1
A visual signal of pressure between valve stem seals is given by a rising (26) ring, which moves upwardly with the upper stem (18) seal when there is pressure between the stem seals. The rising ring is held to the stem or valve body arou...  
WO2002010623A8
A valve having a valve closing member (16) rotatably supported on one or more valve stems (22) which are positional infinitely adjustable is disclosed. The valve has a valve body defining a bore (14) with an upper passageway extending fr...  
WO/2002/048587A1
A stop valve for paint, comprising a casing body (2), a retainer (8) having a valve stem fittedly inserting hole (8A), a piston (13) and a paint passage (5) on both sides of the retainer (8), a valve stem (18) connected to the piston (13...  
WO/2002/046652A1
The invention concerns a safety valve (1) for toxic fluid container (13), in particular of the mobile type, comprising an actuating member (3) connected to a servomotor (4). A control unit (5) located at a distance from the valve control...  
WO2002008644A3
The present invention provides several alternative embodiments to uniformly distribute the radial packing load in a valve stuffing box packing system. In a first embodiment of the invention the cylindrical wall of the stuffing box (19) i...  
WO/2002/040907A1
A valve assembly including a body (12) having an inlet port (14), an outlet port (16), and a valve seat (20) having a passageway (22) connecting the inlet and the outlet ports. A valve member (24) is movable along an axis (30) extending ...  
WO/2002/038992A1
The invention concerns a safety valve comprising a body (2) traversed by an actuating rod (1) in translation relative to the body (2), wherein the rod passes through a bellows (3) comprising two metal walls, the bellows being fixed at ea...  
WO/2002/035127A1
According to one aspect of the invention there is provided a cut-off valve for controlling flow form a mains supply, the valve having a valve body; a spindle assembly removably couploed to the valve body, the assembly including a spindle...  
WO2001073327A3
A sanitary diaphragm valve (10) is provided that includes a generally dome shaped diaphragm (E) having a central boss that can be connected to or driven by a valve actuator (D). The diaphragm includes an outer peripheral edge and a relat...  
WO/2002/010623A1
A valve having a valve closing member (16) rotatably supported on one or more valve stems (22) which are positional infinitely adjustable is disclosed. The valve has a valve body defining a bore (14) with an upper passageway extending fr...  
WO/2002/008644A2
The present invention provides several alternative embodiments to uniformly distribute the radial packing load in a valve stuffing box packing system. In a first embodiment of the invention the cylindrical wall of the stuffing box (19) i...  
WO/2001/098693A1
The invention provides a valve (100) comprising, a housing (61) having an enclosed internal cavity (66), an aperture (68) formed in a wall of the housing providing communication with the enclosed internal cavity, a valve seat (72) surrou...  
WO/2001/079735A1
The invention relates to a valve that contains a piston (2) linked with the valve body (8) and received in a housing (4), and a stuffing box (14) interposed between the piston (2) and the housing (4). The stuffing boxes of valves used fo...  
WO2000038837A9
An apparatus for inoculating a sample to or withdrawing a sample from a vessel or conduit includes a body (3) with an internal collection chamber (24) formed therein. A valve operating rod (37) is movable to open and close an orifice (73...  
WO/2001/073327A2
A sanitary diaphragm valve (10) is provided that includes a generally dome shaped diaphragm (E) having a central boss that can be connected to or driven by a valve actuator (D). The diaphragm includes an outer peripheral edge and a relat...  
WO/2001/063373A1
The invention relates to a device (2) comprising a membrane arrangement (10) that is fixed by an edged joint (21). Said edged joint holds the membrane arrangement (10) in place extremely securely with an elastomer material (22), also ens...  
WO/2001/061229A1
A valve (100) has a valve stem (150) sealed by packing (160). A gland spigot (180) applies an axial compression loading to the packing (160) via a sleeve (130) when bolts (240, 250) are tightened. The spigot (18) has arms (190, 200) with...  
WO/2001/036854A1
A three-ring packing set for a forged valve stem is disclosed which includes upper (20) and lower (40) adapter rings formed from fiber reinforced graphite tape and each having a first density and a first axial thickness, and an intermedi...  
WO/2001/033126A1
The invention relates to a device for the torque-free operation of a closing member (2) for a lift valve (1). The construction of the inventive device is simple, whereby a simple actuator (11) is used. Said device enables to exchange the...  
WO/2000/075544A1
A valve (10), comprising a valve main body (11) which has an opening (11A) and forms a space forming a part of a gas flow path; a first valve disc (12) for opening and closing the opening (11A); and a drive mechanism (40) which moves the...  
WO/2000/075541A1
The invention relates to a closure element for an aseptic double-seat valve, according to the generic term in claim 1. Said closure element is simple in construction, does not require sealing elements, has a leakage cavity which is confi...  
WO/2000/060258A1
Valve (1) with a through-going axial bore (4), a first spindle (5) axially displaceable in the bore (4), an elastic/flexible seal (10) placed at the one end surface (6) of the first spindle (5), at least two hollow connection branches (7...  
WO/2000/053962A1
A gas cylinder valve comprises a valve body (10) having a valve chamber (30), an inlet passage (28) and an outlet passage (34) therein. An obturating body (38) is movable relative to a valve seat (40) in the valve body. A valve stem (48)...  
WO/2000/038837A1
An apparatus for inoculating a sample to or withdrawing a sample from a vessel or conduit includes a body (3) with an internal collection chamber (24) formed therein. A valve operating rod (37) is movable to open and close an orifice (73...  
WO/2000/034702A1
The present invention concerns shut-off valves for shutting off of the pipelines and control of media flow rate through them, in particular, vapor or water having high temperature and pressure. Objective of the invention is to enhance re...  
WO2000009956A3
An integrated barrier fluid sealing apparatus (10) includes an annular pressure intensifier (14) surrounding a shaft (12) of an operational device and defining a chamber (18) extending around and along the shaft (12) and containing a bar...  

Matches 251 - 300 out of 3,137