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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...
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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...
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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...
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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...
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WO/2001/033122A1 |
The invention pertains to a hygienic vacuum valve (10) for use in sterile environments such as food processing, medical and pharmaceutical applications where a vacuum valve is advantageously utilized in situ on processing equipment to el...
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WO/2001/030515A1 |
The invention relates to a device (2) for supplying a liquid cleaning agent (R) to a tank of liquid (1), in particular a beer tank and for supplying and discharging a gaseous agent (G) to and from said tank. The device has a simple const...
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WO/2001/029459A1 |
A method to test a plug valve seal by embedding a test coupon into the face of the slip. Even the heat energy is averaged by placing the test coupon at the midsection of the slip. During the bond adhesive application all applicable surfa...
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WO/2001/029282A2 |
An apparatus for processing and deposition includes a dispenser (102) for dispensing a precursor to a vaporizer positioned within a vaporization chamber (105). A delivery conduit joins the vaporization with a process chamber used a plura...
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WO/2001/023741A1 |
The invention relates to a valve (1) for controlling a fluid, comprising a piezoelectric unit (3) for actuating an axially displaceable valve member (2) which can be positioned in the bore (8) of a valve body (9).One end of the bore (8) ...
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WO/2001/020171A1 |
A power machine (10) such as a skid steer loader is driven by an engine (23) and has a hydraulic pump, a hydraulic fluid conduit, a hydraulic motor in fluid communication with the hydraulic fluid conduit and a valve (134, 210) that is op...
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WO/2001/019494A1 |
A full-flow mechanical failsafe (100) is composed of a cylindrical shell (101) having a movable sealing plug (105) therein, for attachment to a filter element (110) of a fluid filtering system, such as a gas clean up system in a power pl...
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WO/2001/016514A1 |
A fluid control valve, comprising a valve block having a plurality of ports therein, a valve main body having ports formed therein corresponding to the ports in the valve block, and a plate disposed between the valve block and the valve ...
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WO/2001/004522A1 |
A throttle gate valve (10) including an upright, generally rectangular valve housing (12), in which is positioned a linearly movable gate valve (32) for closing off a thru-opening (15) formed in the lower part of housing (12). A pneumati...
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WO/2001/003162A1 |
A pressure control valve (9) for adjusting a valve opening in a wafer processing system, which pressure control valve (9) is provided on the exhaust pipe (6), the pressure control valve (9) comprising a flow channel (10), a first flow-th...
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WO/2001/002762A1 |
Doubled sealed valve comprising: a valve (6) seat in a communicating passage (3) formed between an upper passage (1) and a lower passage (2); a first vertical valve stem (8) and a second vertical valve stem (10), which is hollow, slidabl...
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WO/2001/002763A1 |
Double sealed valve comprising: a valve seat in a communicating passage (3) formed between an upper passage (1) and a lower passage (2); a first vertical valve stem and a second vertical valve stem, which is hollow, slidably surrounding ...
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WO/2001/000473A1 |
The invention relates to a solenoid valve having a valve lifter (4) guided in a valve housing (3, 25) and a valve closing member (9). Said valve also has a valve seat locating body (7) facing the valve closing member (9) forming together...
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WO/2001/001456A1 |
An interlocked control system is provided for dual sided slot valves contained in a vacuum body between each of the plurality of adjacent process and transport modules. Separate valves are provided for each of two valve body slots, one b...
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WO/2000/075542A1 |
A gate valve (20) for semiconductor processing system includes a base frame (28) movable along a guide (26) toward and away from a valve seat (22) surrounding an opening (14). Disposed on the upper end of the guide (26) is a first stoppe...
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WO/2000/075495A1 |
A muffler (20) for attenuating noise produced by a pneumatic device having limited clearance. The muffler (20) includes a housing (22), a base (24) and an acoustic absorption insert (100). The housing (22) defines an upstream end and a d...
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WO/2000/074124A1 |
An epitaxial growth device (1) comprises a wafer guide (8) including a path (7) communicating with a wafer entrance (5) of a process chamber (2), and a door mechanism (9) for opening and closing the path (7). The door mechanism (9) compr...
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WO/2000/071915A2 |
In order to free a seized valve, an inspection port (52) is formed in a wall of the valve body and the areas where the valve is seized are determined. One or more injection ports (54) are formed in the valve body adjacent to the seized p...
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WO/2000/070254A1 |
A safety valve comprising a valve body (4) defining a valve chamber (6). An inner tube (8) runs through the valve body (4) from an inlet (9) into an outlet (10). A seal is arranged in an inner tube (8) near the inlet (9). The liquid prod...
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WO/2000/058650A1 |
The invention relates to a device for controlling flowing media, notably suction air, in conjunction with suction heads or such like. According to the invention closing elements made of an elastically deformable material, notably diaphra...
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WO/2000/058654A1 |
A dual sided slot valve is in a vacuum body between adjacent process and transport modules. Separate valves (222-1, 222-2) are provided for each of two valve body slots, one body slot being separately closed or opened independently of th...
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WO/2000/045422A2 |
A sealable door assembly including a frontplate which faces an opening to be sealed, a backplate operatively coupled to the frontplate, and at least one inflatable member located between the frontplate and the backplate. When inflated, t...
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WO/2000/032472A1 |
A valve (30) seated for an SMIF pod is disclosed for activating and deactivating the flow of gas to a pod on a platform (20). The valve (30) includes a central poppet being movable between a first, closed position and a second, open posi...
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WO/2000/023736A1 |
A method for forming the seat in a pulsed sampling valve used in a FTICR MS. The valve has a ceramic ball (44) that closes against the seat to thereby seal the passageway (36) that is used for introduction of sample into the FTICR MS vac...
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WO/2000/020764A1 |
The invention relates to an aseptic pump housing with switchable drainage, especially for an impeller housing or spiral housing or for a housing of a centrifugal pump for delivering liquids under aseptic or at least sanitarily proper con...
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WO/2000/017555A1 |
The present invention provides a multi-speed slit valve apparatus and method of actuating a slit valve apparatus at least at two distinct speeds. The slit valve apparatus includes a pneumatic cylinder (210) having a primary channel (254,...
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WO/2000/002228A1 |
In a substrate vacuum processing chamber, a second inner slit passage (60) door apparatus and method to supplement the normal slit valve and its door (60) at the outside of the chamber. The inner slit passage door (60), blocks the slit p...
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WO/2000/000764A1 |
A drain valve (38) removes liquid from a compressed air system (20) whenever cycling pressure of the system (20) reaches either a preselected high drain pressure or a preselected low drain pressure at an inlet port (39) of the valve (38)...
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WO/2000/000765A1 |
A cartridge (40) for a single handle mixing valve (34) includes a stop limit device for limiting the normal motion of a single handle (16). The stop limit device includes a pivotable control stem (5) and a support component (3). The supp...
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WO/1999/067556A1 |
The invention provides a check valve (1) for a test point for taking pressure measurements or fluid samples in a pressurised fluid system, said check valve (1) including a housing (2) having a bore (3) and a movable valve body (6) locate...
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WO/1999/061822A1 |
Isolation valves for selectively sealing a first region from a second region. A gate valve (10) can include a housing (12) which defines a channel (28) between the first (202) and second regions (204). The valve includes a gate (14), loc...
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WO/1999/060294A1 |
A high vacuum valve which prevents heat from being conducted from a valve disc (18) of a valve (31) through a valve shaft (19) to a low temperature part, wherein, after the valve disc (18) is moved to a position opposite to a valve seat ...
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WO/1999/051504A1 |
A valve assembly (1) has a body (2) with a through bore in which a closure member (8) is slidably mounted. There are sealing surfaces (6, 10) in the bore and on a head (9) of the closure member (8) respectively. The sealing surfaces (6, ...
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WO/1999/040347A1 |
The invention relates to a vacuum arrangement with a vacuum disc valve. A support plate (1) is movably guided along a wall (3) with an orifice (19) that is closed or opened by a valve. A seal plate (7) is provided on the support plate (1...
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WO1998021744A9 |
A gas panel (14) for use with a tool for manufacturing a semiconductor includes a one-piece manifold body (152) having an inlet (100) for receiving a process gas.
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WO/1999/022165A1 |
A gas panel (10) includes a one-piece manifold body (118) having an inlet (100) having an inlet (100) and a lateral wall defining at least one active device station.
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WO/1999/020925A1 |
A throttle valve assembly is provided, including a throttle valve housing (300) having a bore (310) therethrough and a throttle valve plug assembly (320). The throttle valve plug assembly includes a shaft (350) rotatably mounted on the t...
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WO/1999/020927A1 |
A lined butterfly valve for use in controlling the vacuum in a vacuum processing chamber includes one or more liners (70, 86) which can be easily changed out to control contamination particulate buildup in the processing chamber and clos...
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WO/1999/008773A1 |
A filter arrangement (20) for filtering fluid comprises a housing (22) and a valve arrangement (80). The housing includes an inlet (28), an outlet (20), and a draining aperture (31). The valve arrangement is constructed and arranged to m...
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WO/1999/007479A1 |
A foam gun having a spool valve (65) with a product passage (67) received in a housing (16) shaped to accommodate the spool valve (65). The housing (16) having an outlet passage (46) and inlet passage (69) and a thin sidewall portion (61...
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WO/1999/005581A1 |
This invention relates to a handle attachment adapted to facilitate the operation of a handle or tap, having particular application for use by arthritis sufferers and people with other disabilities making it difficult to manipulate taps ...
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WO/1999/003132A1 |
A vacuum processing system may have a two-piece slit valve door, including a seal plate mounted on a mounting member, for closing the slit valve in a vacuum chamber. The seal plate, the piece that actually contacts the slit valve, may ha...
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WO/1998/057076A1 |
The invention relates to a pump protection fitting, comprising a housing (1) with a pump connection piece (2) arranged in the main direction of flow (R), a feed water connection piece (3) opposite thereto, a bypass connection piece (4) a...
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WO/1998/045874A1 |
A wafer processing apparatus (10) is provided with sealing ports (15) between adjacent evacuatable chambers (11 and 16) that are actuated to compress elastomeric seals (26) carried by the valve sealing elements (23) to differing degrees ...
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WO/1998/009703A1 |
Disclosed is a nonreturn valve comprising a rubber-flexible and almost ring-shaped disk, inserted between a cover provided with liquid inlets and a substantially ring-shaped filter cartridge. The disk is placed on the filter cartridge an...
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WO/1998/001367A1 |
A device (10) to empty fluid from a sealed pressure container (12) by use of pressurized air, and thereafter to place the container (12) under vacuum. The device (10) has a sleeve portion (28) which defines an interior chamber (36). A ri...
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