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Patent Searching and Data


Matches 651 - 700 out of 2,421

Document Document Title
WO/1991/019922
A valve arrangement comprises a valve housing (4) which has a valve chamber (7, 13, 15) with an outlet (9, 10, 11, 12) and an inlet (16) which is adapted to be connected to a pressure-medium source (25), and a valve opening communicating...  
WO/1991/019097
A flap valve arrangement for one-way control of the flow of fluid in between an upstream chamber (15) and a downstream chamber (16), and particularly an inlet valve in a piston-type positive-displacement pump, has wall parts which define...  
WO/1991/019124
An adjustable control valve for flow regulation of gas or liquid has a controlled hose clamp device, preferably with two clamping members (K1, K2) disposed on respective sides of a hose (A) for adjustable compression of the hose and ther...  
WO/1991/019096
A fluid valve device for on-off control of fluid flow through a passage extending between two fluid ports (12, 15) and including a valve seat (17A) comprises a hollow valve member (21) which is movable into and out of sealing engagement ...  
WO/1991/019098
A positive-displacement pump, particularly a liquid metering or batching pump, includes a fluid inlet (13, 15), a pump chamber (16A, 16B) of variable volume, an outlet (14) through which fluid leaves the pump chamber, a driven ejection m...  
WO/1991/019123
A valve apparatus (1) comprises at least one valve device having a chamber (4), an inlet (5) to and an outlet (6) from the chamber. A movable member (7) in the chamber is arranged to displace a membrane (9), such that this is rolled agai...  
WO/1991/017375
An angularly shaped inflatable bladder assembly (10) adaptable to use as a damper or shut-off means for control of fluid flow in fluid flow systems and more specifically for control of air flow in air conditioning systems. The angularly ...  
WO/1991/016562
A flow control and pressure reducing valve has a valve body (250) with an inlet chamber (256) and outlet chamber (257) separated by a partition plate (258). A plurality of passages (265) are formed in the valve body spaced circumferentia...  
WO/1991/008409
Inflatable diaphragm valve comprising an inner diaphragm (11) forming a seal and an outer diaphragm (13) surrounding the inner diaphragm and enable to move outwardly under inflation. Inflation, possibly associated with a lifting motion, ...  
WO/1991/002169
A microvalve composed of multiple layers bonded together is distinguished by the fact that all layers are structured only from one side. Prior to bonding of a new layer to the preceding layer, the new layer is homogeneous or unstructured...  
WO/1991/000970
A hose clamp (50) for a hose (18), inside which a different pressure prevails from that of its environment, and having two arms (28, 30) between which said hose (18) may be squeezed with different forces and thus the hose cross-section m...  
WO/1991/000460
The present weir valve includes a weir disposed along a flow passage. A port at the other side of the weir is open to the flow passage when the diaphragm is lifted off the weir.  
WO/1990/015947
An inflatable valve member (B) includes a valve body (10) received in a fluid line (A) and defining a generally annular flow passage (C) therewith. A flexible member (100) disposed on the valve body (10) is selectively inflated to open a...  
WO/1990/014539
A diaphragm valve (2) comprising valve seats (11, 12) describing a sector of a sphere providing a complete closure of the inlet (13) and the outlet (14), when the diaphragm (16) assumes the shape of a spherical segment. The valve permits...  
WO/1990/012972
In a sampling valve comprising a stretchable hollow valve plug (10) mounted on the front end of an axially displaceable valve stem (7, 8), the plug is provided on its inner surface with a bead (14) projecting into a groove (15) in the st...  
WO/1990/010810
Through valve for monitoring or mechanically sealing the passage of pressurized fluid in a pipe. According to the invention, the device consists in compressing a rubber joint (1) with a seal (2) whose end is hemispheric. An outer sheath ...  
WO/1990/007073
A solenoid-operated pinch valve including a housing and a molded body coupled thereto by a snap-on connection. A solenoid coil assembly (70) is seated within the housing (32), a plunger (118) is accommodated within the solenoid (70) for ...  
WO/1990/003532
A diaphragm valve (A, A') includes a valve body (B, B') adapted to receive a replaceable diaphragm subassembly (C, C'). The diaphragm valve (A, A') includes alternative actuator structures (300, 360). The first actuator arrangement inclu...  
WO/1990/002290
For the purpose of providing a sealing stopper in a tube (11) which is to be closed-of to the flow of fluid therethrough there is used a bladder (10) which is introduced into the tube and inflated with air into tight abutment with the in...  
WO/1990/000652
A closure device for drainpipes has an elastic inflatable body (1) and can be actuated with only one hand, since the inflatable body completely encloses a pressurized gas container (2) to be connected to its pressurized gaz inlet (10). T...  
WO/1989/011787
Control valves are known which incorporate moisture sensitive material to control the flow of fluid through the valve. Described herein is a control valve (1) which incorporates a moisture sensitive material (4) in contact with and respo...  
WO/1989/012267
A back pressure regulator of the diaphragm type. A metal diaphragm is held in a cavity formed by opposed faces of top and bottom portions of the unit. The opposed faces are tapered so that the depth of the cavity is greatest in the centr...  
WO/1989/009477
A micromechanical device comprises an element whose position can be varied consisting of a bimaterial system and which can be placed and maintained in a predetermined position. The instantaneous position of the element is determined by m...  
WO/1989/005417
A valve is disclosed comprising a first body portion (2) having a first surface (16), a second body portion (4) having a second surface (51) facing the first surface, a flexible sheet (8) positoned between the first and second surfaces, ...  
WO/1989/001241
In a membrane valve fluid flow control device (10) which includes a pair of superimposed surfaces (42, 42') wherein the membrane (20) is interposed between the surfaces under compression and further serves as a seal. A raised rib portion...  
WO/1988/004386
Method and device for mounting a body for use as a blocking or sensoring means in a conduit containing fluid. An installation unit is mounted on the conduit at that place, where the mounting of said body is desired, whereby sealing is es...  
WO/1987/002438
A device to be filled with fluid under pressure includes a plurality of low pressure segments (17), ports (14) and a low pressure compartment (13) interconnecting the segments, and a high pressure compartment (11) arranged such that fill...  
WO/1986/007625
A molded flexible conduit (2) and a make-before-break pinch valve including a slidably movable pressure member (46) spring biased normally against said conduit in closed condition of the valve, said conduit (20) including a pair of elong...  
WO/1986/003571
A flexible tubing occluding device (10) for releasably occluding flexible tubing (16). The tubing occluding device (10) includes housing (14) that is adapted to receive the tubing (16) and defines a tubing occluding surface against which...  
WO/1986/003276
An occluder valve (10) for closing off the flow of fluid in a flexible plastic tube includes linearly movable pinch member (24) coupled to a rotatable shaft through a nut. The shaft is coupled to an electric motor (44) through an electri...  
WO/1986/001493
A pneumatic valve mechanism, especially for controlling the movement of paper, comprises a mouthpiece (47) which defines an air intake (58), a bellows (10) coupled to the mouthpiece, a passage (42, 44) connecting the interior of the bell...  
WO/1985/002000
Opening and closing element for an S-shaped fluid flow line, used for flowing any fluid or solid (powdery, granular) material and adaptable to any form of package or installation containing fluids, characterized in that its shape consist...  
WO/1985/001786
The valve comprises a flexible membrane (3) forming a tight wall between a controlled chamber (8) and the inside of a conduit (1). According to the invention the conduit (1) is provided with a side opening (2) having a contour of which t...  
WO/1984/002965
Nozzle closing device comprised of a main duct (2) traversed perpendicularly by a flexible pipe (6) which may be inflated with compressed air to obturate the pulverization liquid passageway. The device may be comprised of two generally o...  
WO/1984/002564
A slide clamp (10) for flexible medical tubing (14) that includes a slot (18) having receiving (20) and crimping portions (22). A stabilizer (24) projects into the receiving portion (20) so that the slide clamp (10) may be kept at any se...  
WO/1983/002987
A valve comprises rolling diaphragm (7) supported at its outer periphery by an annular support member (8) within which the diaphragm rolls in response to inlet pressure so as to uncover an outlet opening (20) in the support member, there...  
WO/1982/004471
A tidal outfall valve comprises a chamber having an inlet (6) and an oulet (8). One wall of the chamber comprises a diaphragm (10) which can move into contact with a seat (9) to isolate the outlet from the inlet. A weight (18) provided o...  
WO/1982/001924
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).  
WO/1982/001384
Radiant energy (7) is used in conjunction with a boron phosphide semiconducting electrode (2) to at least partially power an electrolytic cell (1) in the generation of hydrogen (8), utilizing a bromide, preferably hydrogen bromide, as th...  
WO/1981/002770
Heretofore, prior tubing clamps have failed to overcome flow rate fluctuations attributed to cold flow and/or external stretching forces causing them to be unsatisfactorily unreliably for failing to maintain a prescribed flow rate. This ...  
WO/1981/002096
The discharge valve comprises a casing communicating with a cuff to be placed around the arm and with the manometer (1), casing which, in its portion intended to form the seat (25) of the air outlet, is covered with a washer (2) of elast...  
WO/1981/001600
A two piece roller clamp for regulating the fluid flow rate through plastic tubing (16) by defining the size of the tubing lumen. A recurring problem in the prior art is that of the tendency of the tubing wall to cold flow when compresse...  
WO/1981/001105
A frangible or breakaway valve for use in a flexible tube. The valve comprises two parts: a tubular portion (24) with a closed end (26) and an elongated, generally rigid handle (28) breakably attached to the closed end. The elongated han...  
WO/1981/000608
Tap for use with bag-in-the-box liquid containers. The tap has a neck member (18) with a passageway (26) through the neck member. The passageway is closed at its outer end by a manipulable valve assembly (28). The neck member (18) has a ...  
WO/1979/000694
Method and apparatus are disclosed for controlling the relative humidity of a soil environment at a pre-set value using an enclosed volume (106) of a water-soluble or water-swellable material (114), said enclosed volume separated from th...  
JP2014070655
To provide a diaphragm valve which can reduce size and weight thereof, facilitates assembly and disassembly, is excellent in operation efficiency of manufacture and maintenance and can perform the positioning of a diaphragm reliably and ...  
JP2014066340
To provide a solenoid valve for a fuel cell in which a load applied to a valve element is further reduced to allow the valve element to more smoothly open and close.A solenoid valve 10 for a fuel cell includes a diaphragm 92 provided bet...  
JP2014066364
To obtain a fluid supply device which is capable of stable supply irrespective of changes in the surrounding environment and in which a valve can be opened and closed without using an active element and flow in a forward direction is smo...  
JP2014047843
To provide a diaphragm valve capable of increasing a Cv value without enlarging a contour.A fluid flow passage 3 includes: an inside communication part 11 that has an upper end opening communicating with the center part of the bottom sur...  
JP2014047803
To provide a multiple water supply solenoid valve which improves quietness by preventing generation of noise when supplying water and when stopping the water supply.For at least one of a plurality of solenoid valves constituting a multip...  

Matches 651 - 700 out of 2,421