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WO/1997/011296A1 |
A tension responsive pinch valve is made up of a combination of an elastically flexible pinch valve element and a length of flexible tubing having a section that is to be closed automatically by being distorted to the point of pinching o...
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WO/1997/009551A1 |
A sewage treatment system includes a pair of substantially identical unitary fluid treatment modules (15, 17), each having a central sedimentation tank surrounded by a peripheral wetland. The sedimentation tanks are coupled through a dos...
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WO/1997/005416A1 |
A fluid diaphragm valve and interconnected pilot valve apparatus for control flow of fluid discharge from a pressurized fluid distribution system. The apparatus has a primary valve (70) with an inlet (74) adapted to receive fluid under p...
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WO/1997/001055A1 |
A method for the manufacture of a microstructure having a top face and a bottom face, at least one hole or cavity therein extending from the top face to the bottom face, and a polymer membrane which extends over a bottom opening of said ...
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WO/1997/001054A1 |
The invention concerns a membrane-type microvalve consisting of a valve chamber and an actuator chamber, the valve chamber consisting of housing (1) with an inlet (3), an outlet (4) and a membrane (2) which is joined to the housing (1) a...
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WO/1996/038687A1 |
An actuator for actuating a valve (16) from a first position to a second position includes a housing (14) and a rotatable stem (70) mounted within the housing and restricted from moving axially. The actuator also includes a non-rotatable...
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WO/1996/036829A1 |
In a modular valve structure with a fluid valve section and a drive section, the fluid valve section consists of a basic body (10) with an inlet (10a) and an outlet (10b) and a standard connection interface (12) at which both an inlet ch...
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WO/1996/030680A1 |
A device for dispensing a so-called secondary fluid that may be prepared by mixing together at least two so-called primary fluids. The device comprises a body consisting of two portions separated by a flexible sealing wall on one side of...
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WO/1996/030679A1 |
A pinch clip occluder for infusion sets is disclosed including a housing and a clamp movably disposed within the housing to selectively occlude an infusion set. In one embodiment the clamp has at least one arm (16) which moves between fi...
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WO/1996/028673A1 |
Embodiments described herein relate to a valve (10) and a method of use. In one embodiment, a first element (24) is operatively and removably positioned with respect to a first fluid conveying conduit (16) and a second fluid conveying co...
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WO/1996/024448A1 |
A process for the production of a metal valve body, in which a pipe section (10) is placed in a press mould (14) and shaped by means of a press tool (15). The ends of the pipe section are left as tubular connecting pieces. The central pa...
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WO/1996/023153A1 |
A slide valve assembly is provided especially for controlling the flow of powder materials along a duct. A closure assembly (20) is releasably attached to a valve body (12) and includes a closure member (22) reciprocally moveable between...
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WO/1996/019689A2 |
The invention concerns a valve arrangement, in particular for use in pneumatic control systems. Since pneumatically actuated adjusting components have a given leak rate, the control valve (pilot valve) has to remain permanently in the op...
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WO/1996/017173A1 |
A membrane (2) for use in a flowable material handling device, the membrane body has an elongated through bore (3) with a major and a minor axis to provide four longitudinally extending bore surfaces, end flanges (5, 7) on the body where...
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WO/1996/017192A1 |
A valve device is disclosed for controlling the delivery of gas from a pressurised source suitable for use in a pneumatic ejector in particle sorting apparatus. It uses a diaphragm (42) as a valve member disposed over an output port (52)...
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WO/1996/014529A1 |
Control valve comprising a body (1) and a closing element (2) movable between an open and a closed position in a chamber bounded by the body, with the body having at least two flow openings (4a, 4b, 5a, 5b) to the chamber, and with an el...
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WO/1996/011348A1 |
A throttling device for flow rate control of a fluid, and of the kind that comprises a flow channel (11) having an essentially circular cross section and a throttle means (13), whose flow through section by means of an adjustment means (...
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WO/1996/008666A1 |
A sliding flow controller for controlling flow through a pumping segment (10) used in a fluid delivery system. The flow controller includes a slider (18) that travels along a channel defined by an elastomeric membrane (12) and a variable...
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WO/1996/005456A1 |
The invention relates to a diaphragm valve which comprises a valve body (3) having a bonnet (5) removably attached thereto and provided with a sleeve (57) lying perpendicular to a fluid interception seat (33) with the diaphragm (40); a s...
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WO/1996/004079A1 |
A balloon valve (10) that can control the flow of a display fluid through the supply pipe (14) of a water display (36). The supply pipe (14) is typically suspended from a structure at a distance above a pool (38). The balloon valve (10) ...
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WO/1995/033151A1 |
An electromagnetically operated tube pinch valve includes a solenoid (2) which surrounds a magnetizable core (6), and a movable armature (10) is mounted for attraction to the core by electrically energizing the solenoid. A pinching devic...
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WO/1995/032379A1 |
A sanitary slider valve shown specifically as a rotary carousel diaphragm valve which has a thermoplastic elastomeric diaphragm (230) integrally molded to form the multiple sealing ports of the rotor/stator interface is described. Ports ...
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WO/1995/023936A1 |
A gas flow valve having an internal valve chamber with an inlet (36) and outlet (38) passage, and a movable metallic diaphragm (30) in the chamber, the diaphragm (30) bonded to a valve stem (22) projecting outside of the chamber. The dia...
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WO/1995/020105A1 |
The invention relates to a micro-diaphragm pump consisting of an upper (1) and lower (2) section of a pump housing and a diaphragm (3) fitted between them, together forming a pump chamber (16), two valves (8, 9, 10, 12, 13, 14) and flow ...
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WO/1995/017642A1 |
The invention provides, in a first form, an expandable plug for regulating pressure or flow within a tube. The plug has an inflatable bladder (12) for diametral expansion by internal fluid pressure introduced by inlet (14). The plug is r...
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WO/1995/017629A1 |
A coal nozzle apparatus (10) which includes a generally cylindrical main body (12) having an inlet and an outlet (14) and a generally cylindrical tip section (20) disposed in generally coaxial relationship with the main body (12). The ap...
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WO/1995/016871A1 |
A bi-directional cracking valve that can be selectively opened. Bi-directional cracking valve (10, 70) is formed using an elastomeric membrane (34). Centered within the elastomeric membrane is a slit (36) that remains closed, blocking fl...
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WO/1995/011396A2 |
A valve assembly comprising a main valve body having an inlet flow passage and at least one outlet flow passage and a flow chamber extending between the same. The main valve body has a valve seat surrounding the inlet flow passage. The v...
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WO/1995/007425A1 |
A valve of the membrane valve type comprises a valve body with two fluid flow channels (5, 5') separated by a land portion which forms a valve seat (6) having a sealing surface for co-operation with a flexible membrane (7) mounted over a...
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WO/1995/003751A1 |
A shutting-off arrangement for dental suction equipment provided with a suction channel (2, 3) has a shutting-off mechanism (8, 9) moved by a working medium. The shutting-off mechanism (8, 9) is associated on the one hand with the suctio...
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WO/1995/002141A1 |
The invention relates to a pressure-medium-controlled valve (10) for metering fluids, especially pressure-sensitive adhesives or assembly aids, having, as part of the through channel (11) for the fluid, a flexible hose (12), the cross-se...
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WO/1995/000782A1 |
A diaphragm valve for controlling a flow of gaseous or liquid fluid and including a valve housing (101) having a valve chamber (102), into which opens a central channel (104) and on each side thereof a first side channel (103) and a seco...
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WO/1994/028309A1 |
The invention is a relatively thin wall extruded tubing that in different forms can provide flow regulation for peristaltic pumps, reduce spallation, extend pumping life, provide means to measure inlet and outlet pressure of the peristal...
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WO/1994/023226A1 |
A ball- or plug-type control valve (10) comprising a valve body (11) defining a housing (12) for a sealing member (13) designed to define a communication passage (13') between an inlet and an outlet when the valve is in the open position...
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WO/1994/021946A1 |
A stretch valve (1) which achieves precise control of fluid flow rates through the use of a cylindrical fluid elastomeric valve element (2). This elastomer element (2) is installed within the cylindrical flow path (20) of a valve body. T...
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WO/1994/013984A1 |
A pinch valve (10) includes a generally tubular housing (11) including coupling members (12) respectively defining coaxial passages (20) therethrough and adapted for coupling to associated conduits. The passages (20) have tapered seating...
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WO/1994/013166A1 |
An integral polymeric clamp device is disclosed. The clamp device is comprised of a base portion (11) to which is hingedly connected a two arm clamping assembly (12) actuable from an open position to a closed position wherein a component...
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WO/1994/011719A1 |
The invention concerns a method of fabricating membranes mounted on a frame, the method including the following steps: (a) a membrane film is applied to a substrate in such a way that it can be detached from the substrate again, (b) the ...
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WO/1994/009301A1 |
A damper (10) includes an elastic bladder (16) which is attached to and surrounds a support element (32) mountable in a ventilation duct (12). The bladder (16) inflates when supplied with fluid to restrict the available air space within ...
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WO/1994/001750A1 |
An apparatus (A) can withdraw a sample from a vessel or conduit or provide a sample to this vessel or conduit. This apparatus includes a main body (10) with an inlet passage (12) and drain passage (14) both inclined relative to the body....
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WO/1993/022530A1 |
Adjustable components for swimming pool cleaners or other devices are disclosed. The components, when forming part of a fluid-interruption cleaner, can accommodate a variety of diaphragms (26) (valves) of different lengths. The exterior ...
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WO/1993/022589A1 |
The device (10) is comprised of a hollow body (11) having a central element (14) provided with a lid (15) and a bottom (16), and tubular members (19), connected to inlet (12) and outlet (13) conduits. The inlet conduits (12) are connecte...
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WO/1993/018324A1 |
The specification describes a thin-walled pressure sensitive section (53A) that may be incorporated into a blood tubing (53) and sealed in a housing (232) to provide: an adjustable resistance to flow, adjustable positive or negative pres...
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WO/1993/017595A1 |
Painting tool for painting with a paint and a medium consisting of a body (2) and a brush or wick-forming element (3). Said body (2) contains a medium reservoir (7) for adjustably supplying the brush or the wick with medium by means of a...
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WO/1993/016742A1 |
An enclosing sleeve (34) for a one-way valve presses an elastomeric sheath (28) against the valve body (16) to provide a seal between the sheath (28) and the valve body (16). In addition, the sleeve (34) can form a closure over the outle...
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WO/1993/016875A1 |
A composite diaphragm containing a flexible composite of a flexible polymer and an expanded polytetrafluoroethylene fabric on which is adhered to one surface a solid polytetrafluoroethylene layer. Additionally a composite diaphragm is di...
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WO/1993/016308A1 |
A valve comprising a housing (2) with an inlet (4) and an outlet (6) and between the inlet and outlet a conduit (8) providing passage through the valve, which conduit is closed at a flexible closing section, the closing section consists ...
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WO/1993/010385A1 |
The object of the invention is to allow the smallest doses of substances to be supplied and shut off over a variable period of time in a very reliable manner and with stable operation. The new micromechanical valve essentially has three ...
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WO/1993/006877A1 |
An easy operating, durable closure device (2) for controlling the closure of a passageway in for example valves and the like used in medical applications. The device includes a cam surface (3) arranged about the circumference of a resili...
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WO/1993/001433A1 |
A valve arrangement has a valve housing (4) with a valve chamber (12) formed therein, which has an outlet (13) and an inlet (23) which is adapted to be connected to a pressure-medium source (1). A control valve (10, 26) is adapted, when ...
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