Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 4,413

Document Document Title
WO/2005/091414A1
A flow rate regulation filter provided in a discharge flow path of a fuel container for a fuel cell. The fuel container receives liquid contents of a liquid fuel for a fuel cell such that the contents can be discharged as a liquid or a g...  
WO/2005/071299A1
A vacuum heat insulation valve that can be used in high-temperature conditions in a gas supply system and gas discharge system and that can be drastically reduced in size and made compact because of excellent heat insulating performance ...  
WO/2005/066535A1
In order to provide a coupling-unitized type integration unit of simplified construction to be used for putting in and taking out a plurality of fluids inside and outside a tank, a coupling-unitized type integration unit (10), which is m...  
WO/2005/050071A2
A valve seat and a valve assembly incorporating such valve seat form tight dual seals with glass lined nozzle of a reagent or reaction vessel. This reduces or eliminates cavities and crevices between the value seat and the nozzle where r...  
WO/2005/005109A1
A switch valve device used for sucking members such as semiconductor chips etc., by vacuum, and vacuum breaking is quickly and smoothly performed with the valve. The valve comprises a vacuum-sucking switch valve function for vacuum sucki...  
WO/2005/004219A1
A pressure reduction process device having no possibility of leakage at a valve provided in an air discharge path when the valve is closed and capable of reducing a load of maintenance work. On an air discharge tube (3) connected to a re...  
WO/2004/104463A1
The invention provides a servo valve which is operable in vacuum systems and can be switched between an open and a closed state even by use of low forces. For that purpose, the valve has a closure member (4) moving between the open and a...  
WO/2004/102054A1
A heater (11) has planar heaters (12) arranged on both sides of at least one line and used to heat fluid control equipment (2, 3, 4) and a joint member (5). Heat retaining plates (13, 14) made from engineering plastic are respectively in...  
WO/2004/102055A1
In one embodiment, a slit valve (101) is provided that is adapted to seal an opening and that includes a valve housing (105) having a first wall, a first opening (115) formed in the first wall, a second wall and a second opening (117) fo...  
WO/2004/099656A1
The gate valve includes a valve housing (12) having a fluid conduit (14) and defining a valve seat (16) and a support surface (18), a seal plate (20), a counter plate (22) having cushion (72) vulcanized to a surface facing the support su...  
WO/2004/094884A1
An actuator assembly (101) for a slit valve door (117) is configured to maintain a slit valve in a closed condition notwithstanding a high pressure differential between adjacent chambers that the slit valve isolates from each other. The ...  
WO/2004/081996A1
A gate valve (20) for a semiconductor treatment system, comprising a housing (21) forming a plurality of passages (22A to 22D) arranged parallel with each other along a first direction, the passages further comprising ports (23A to 23D) ...  
WO/2004/074720A2
A valve assembly including a housing having a flow channel, a slide plate movable between a closed position and an opened position, and a seal ring surrounding the flow channel and engaging the slide plate in the closed position and dise...  
WO/2004/074722A1
A diaphragm valve for a vacuum evacuation system applicable to a semiconductor manufacturing system. Corrosion of members due to deposition/adhesion of products produced by thermolysis of gas, clogging due to products, and seat leakage a...  
WO/2004/072519A1
A valve in accordance with the reduction in diameter of piping in a vacuum discharge system, the reduction realizing downsizing of apparatuses for a vacuum discharge system and resultant reduced costs and shortened time for vacuum discha...  
WO/2004/067491A1
An apparatus and a process for producing a hydroxyalkyl (meth)acrylate, in which high airtightness can be maintained even when the number of operations for discharge valve maintenance is lessened. The apparatus for hydroxyalkyl (meth)acr...  
WO2003039625B1
A hemostatic valve (11) couples to a sheath (24) proximal hub (117) having an inside (127) and an outside (130) surface. The hemostatic valve (11) has a valve body (50) having a proximal porting and end. A passageway extends longitudinal...  
WO/2004/061341A2
A valve assembly including a housing having an opening defined by a valve seat, a valve body movable within the housing between a completely opened position disengaged from the valve seat and a completely closed position engaging the val...  
WO/2004/057689A2
A control valve is provided for regulating flow and controlling pressure through a fuel cell stack having a plurality of fuel cells arranged in a layer configuration. A control valve is positioned at at least one of the four corners of t...  
WO/2004/044969A1
Two bypasses (32, 33) are formed in the valve box (21) of a main valve (18) provided in the piping (13) of the exhaust system (12) of a heat treatment furnace (1). Each bypath (32, 33) is opened&sol closed by an auxiliary valve (30, 31) ...  
WO/2004/033941A2
The invention concerns a bottoms drainage valve, designed in particular for enamelled containers used in the chemical industry which must satisfy stringent requirements in terms of resistance, easy maintenance and operational safety. Sai...  
WO/2004/033335A1
An adapter connecting between a rigid container with one drain opening and a liquid demanding device, comprises one attachment port for sealing connection to the container's drain opening and a valve connecting to the flow-passage betwee...  
WO/2004/013036A1
A circuit for dispensing fluids, in particular, dyes, inks paints and the like, comprises pump means (12) including a variable-volume chamber (66) with at least one flexible wall. The pump means (12) communicate with an output duct (16, ...  
WO/2004/008828A2
A valve achieves a high-vacuum seal and opens and closes with no sliding or otherwise abrading contact between the sealing plate and the valve seat, while maintaining pressure of the plate against the valve seat in the event of a failure...  
WO/2004/010035A1
A vacuum gate valve is disclosed the valve body (2) of which is raised or lowered by pneumatic cylinder (30) and piston rod (3). Valve body (2) is moved in the horizontal direction pneumatically by a pressure applying mechanism (4). The ...  
WO/2004/007204A2
The invention relates to a solenoid valve made using certain materials which is capable of operation at high frequencies and which can be made as a compact unit. The plunger (1)is of a unitary construction and is made of an electromagnet...  
WO/2004/005771A1
A closure assembly 10 contains positive and/or vacuum pressure within a pressure vessel 16 having a neck 12. A circumferential locking member 22 supported on a door 20 locks the door to the neck, and is radially moveable between an open ...  
WO/2003/104695A1
A main valve stem (17) is provided reciprocaingly in the axial direction in a containing hole (16) formed in a valve casing (20) and output ports (24, 25) are interconnected with an air supply port (21) or exhaust ports (22, 23) by being...  
WO2003064907B1
A valve (10), which includes a stem (32) having a slit (52) at an end thereof. The valve stem (32) is located in a valve body (12) and is deformable. When a tip (56) of an instrument (22) is engaged with a slit (52) in the stem (32), the...  
WO/2003/081659A1
A substrate processing device capable of setting the conductance of an exhaust port when a reaction container is evacuated to a small value so as to form laminar flow in the reaction container during an ALD process, and to a large value ...  
WO/2003/078878A1
A lighter valve seat member (8) having a cylinfrical member (21), having an internal bore (22), a rebate in the bore to provide a larger diameter bore part (23) and a smaller diameter bore part (24) which forms a valve seat (25). The cyl...  
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/2003/019057A1
An apparatus for freeing a seized valve having an elongate valve actuating stem (10) projecting out of the valve comprises means for repeatedly applying an impact force to the valve actuating stem along its longitudinal axis. The impact ...  
WO/2003/018428A1
The invention relates to a pressure relief valve (10; 70) for a packaging container, said valve consisting of a carrier body (11; 71) and a membrane (12; 72). Said carrier body (11; 71) comprises a cavity (14; 74) in which the membrane (...  
WO/2003/012323A1
A valve, such as a gate valve (10), includes a housing (12) having a fluid conduit (14) and defining a valve seat (16) and a support surface (18), a seal plate (20), a counter plate (22), an actuator (34) for moving the seal plate (20) a...  
WO/2002/086362A1
Embodiments of the present invention provide a pendulum valve (100) with a full range of normal position control. The pendulum valve (100) can include a valve housing (110) having a flow channel (120), and a valve body (130) that is mova...  
WO/2002/084156A1
A double block valve is actuated by a single actuator (30) and includes a valve body housing a cavity (11) and a seating assembly (60). An enclosed space (70) with a finite volume is defined between a first blocking element (42) and a se...  
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....  
WO2001040692A9
A gate valve assembly, which may be used to seal a semiconductor processing chamber to isolate the chamber and/or maintain pressure or vacuum therein. The invention includes a gate (304) coupled to a linear axial shaft (310). The axial s...  
WO/2002/027222A1
A high vacuum valve assembly having a valve body (104) with an air chamber (108) formed therein. A gate unit (150) is disposed within the air chamber (108) and includes a valve gate (165) disposed to mate to a valve seat (105), the valve...  
WO2001081800B1
A method and apparatus for shielding a valve gate (3B) from potentially harmful environmental conditions. A valve gate can be moved from a closed position, in which the valve gate closes a valve passage (11) and is potentially exposed to...  
WO/2002/004697A1
Apparatus for performing at least one processing operation on a substrate, the apparatus being provided with at least one process chamber (2) and a vacuum lock (1) for the purposes of placing the substrate from the surroundings into a pr...  
WO/2002/005330A2
In accordance with a first aspect, a door assembly is provided that is adapted to seal an opening of a chamber. The door assembly includes (1) a seal plate adapted to seal the opening of the chamber by moving along a first axis that is s...  
WO/2002/005322A2
A slit/gate valve (11) is provided. The slit/gate valve comprises a door (23) having a sealing surface (17) adapted to seal an opening (19), a linking mechanism (15) coupled to the door, and an actuator (29) coupled to the linking mechan...  
WO/2002/002975A2
An aseptic product discharge valve (110) and related methods for injecting steam into a sterile fluid delivery system used to transport a sterile fluid food product. The aseptic product discharge valve (110) includes a tubular member (11...  
WO/2001/065158A1
A solenoid having an increased wear resistance and an excellent quality, wherein a fluid sump chamber (Q) is formed on a side opposite to a center post (4) generally coaxially with and through a plunger chamber (P), and a first bearing (...  
WO/2001/063155A1
A slide gate valve for powder and granular material, comprising a seal member (9), wherein a gland packing (92) is press-fitted into a laterally elongated flat annular seal housing (91) for sealing the sliding part of a gate plate (2), a...  
WO/2001/055628A1
A gate valve (10) includes a plate (14), a seal (24), and a housing (12). The housing includes a passageway (16) and a sealing surface (10). The plate is coupled to the housing. The seal is coupled to the plate. In operation, the plate o...  
WO/2001/039222A2
A gas meter (11) installation including gas supply plumbing and point of use plumbing will have a gas meter therebetween. A valve (10) can be installed with the gas meter (11) for shutting off the flow of gas to the point of use. This va...  
WO/2001/036855A1
There is disclosed a powder feed valve capable of facilitating feed of power and improving a sealing-up property and selectively feeding power supplied via an inlet, by sliding it along the connection tube formed in the same direction to...  

Matches 401 - 450 out of 4,413