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Patent Searching and Data


Matches 651 - 700 out of 6,516

Document Document Title
WO2003010452A8
The application relates to a pneumatically actuated pneumatic valve (46) having a housing (62, 64, 66) with supply (70), exhaust (72) and pilot pressure (88) ports and a piston (82) confined between first (84) and second (76) diaphragms ...  
WO/2004/057221A1
A valve of cleanable design capable of maintaining unfavourable conditions for microbial activity on the downstream side and/or outlet of the valve, said valve comprising: A smooth and contoured body (5) with an integral upstream connect...  
WO2003068670A3
A valve (105) controls fluid flow in a microfluidic system (100). The valve (105) has an input port adapted to receive fluid exerting a predetermined level of pressure on the valve (105) and an output port. The valve (105) has a variable...  
WO2002068849A8
A microactuator device (12) includes a base (20) with at least one electrode pad (24) and a permeation membrane (18). Permeation membrane (18) is typically a water-permeable membrane that is able to deform by applying an electric charge ...  
WO/2004/031630A1
A valve for controlling fluid flow comprising a body (100) provided with a fluid passageway having an inlet (10) and an outlet (90), a valve member for inhibiting fluid flow through the passageway, and means for moving the valve member (...  
WO2003092136A8
A system for introducing a fiber optic conduit (32) into a pressurized pipeline (30).  
WO/2004/026104A2
Disclosed is an ultrasonic surgical device having a distally/proximally movable fluid management system consisting of single lumen or multiple lumens.. The invention provides for the delivery of irrigation fluid or the removal of fluid, ...  
WO/2004/025156A1
This invention relates to control valves for controlling of fluid flow, where the flow-controlling element in the valve body is of an elastomeric material. The control valve has only one flow-controlling element, which element fulfils al...  
WO/2004/023011A1
A fluid controller (1), wherein an upper space (S1) is formed between the upper surface of a piston (10) and the lower surface of the top wall (8a) of an upper casing (8) and a lower space (S2) is formed between the lower surface of the ...  
WO/2004/023047A1
The control damper relates to a control valve which is primarily intended for controlling air flow, although the valve may also be used to control other flowing media. The valve comprises a sleeve (2) of flexible material, the cross-sect...  
WO/2004/023012A1
A controller, comprising a booster means (11) for transmitting, after amplifying, a force acting on a piston (10) to a valve stem (9) having oscillating bodies (25) with outside end parts and inside end parts allowed to abut, from the lo...  
WO/2004/023010A1
A check valve (20) is placed in a conduit (16) for pressurized fluids, and comprises a cylindrical external housing (22) having inlet (17) and outlet ends (19), a cylindrical internal spigot (24), and an elastomeric sleeve (26) fitted ov...  
WO/2004/018916A1
A pinch valve, comprising a body (10) accepting a pipe body (11), a cylinder body (2) having an upper cylinder part (17) and a lower handle support part (3), a piston stored in the cylinder part, a pressing element (9) fixed to the pisto...  
WO2003038321A3
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/2004/013523A2
A valve is disclosed for dispensing a flowable material from a container. The valve has a first chamber (40) at a first pressure wherein said first chamber (40) defines an outlet (28) in communication with said first chamber (40). A seco...  
WO/2004/013524A1
The invention relates to a valve intended in particular for sanitary applications, comprising a body (2) in which there are a first and a second perpendicular duct (7, 8) for the flow of a fluid to be shut off; a closure member (4) acts ...  
WO/2004/005778A1
The invention relates to a diaphragm valve (5), which comprises a valve body (1), composed of an inlet sleeve (3) and an outlet sleeve (4), converging to a fluid flow chamber which contains the valve seat (106), formed by the flattened i...  
WO/2004/005568A1
Parts for a fluid for use in a piping and a device for controlling a fluid, such as a valve and a joint, wherein a metal member thereof specified in the specification comprises an alloy which has a chemical composition in wt %: C: 0.001 ...  
WO/2003/106870A1
A flexible tube wherein a plurality of projections formed on the inner wall of a tube to extend axially of the tube are brought into engagement with recesses defined between these projections by a pressure applied from outside to the tub...  
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...  
WO/2003/098082A1
An inflatable, flexible device (10) for use as an expandable closure device comprises an inlet part (14) of a substantially tubular configuration, an expandable bag part (12) integrally connected to the inlet part and made from a highly ...  
WO/2003/093709A1
The invention relates to an assembly comprising an electromechanical device and a self-sealing valve, and in particular, to any inflatable device(16) that includes the assembly. In one embodiment, the assembly comprises a valve housing d...  
WO/2003/093706A1
The invention relates to a device for regulating the drainage of a liquid using a compressed gas. According to the invention, a circular pipe (3) comprising a branch (4) is provided with a smaller pipe (5), which is located centrally and...  
WO2003021139B1
A pressure-activated flexible valve (10) for use with a container for dispensing fluid material. The valve (10) has a single sealing surface and comprises an inner component (12) having a sealing portion (22) and an outer component (14) ...  
WO/2003/092136A1
A system for introducing a fiber optic conduit (32) into a pressurized pipeline (30).  
WO/2003/091611A1
A metal diaphragm valve used for a semiconductor manufacturing device allowing a large amount of flow to pass therein in spite of a compact size by reducing a fluid resistance of a flow passage ranging from a valve chamber to an outflow ...  
WO/2003/089821A1
A fluid control valve for use with apparatus for medical use. Commercially available valves which operate by electrical, hydraulic or pneumatic means are often expensive and bulky. They may require excessive power to operate them and can...  
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/2003/084599A1
A valve assembly (44) for controlling the flow of fluid through a tube (52) by pinching the tube (52) to prevent fluid flow. The valve assembly (44) includes a valve (58) that receives the tube (52) in a passage between a plunger (76) an...  
WO/2003/085297A1
A control valve (400) includes an elastomeric flow tube and an actuator.(122). A plunger is operatively connected the actuator and is situated adjacent the flow tube. A reference surface is positioned generally opposite the plunger such ...  
WO2002078765A3
Programmable methods and apparatus for providing flow control in valves. In a preferred embodiment flow control occurs by pressing opposite sides of a very flexible tube section (3) together to selectively, and programmably, closing and ...  
WO2003053271A3
The valve comprises a flexible resilient valve member which is positioned in a flexible fluid line in a fluid-tight relationship therewith. An actuating element, such as a ring-shaped member, surrounds the valve member, and an actuating ...  
WO/2003/081099A1
A fully draining valve (20) including an upper valve portion (22) and a lower valve portion (24).  
WO2002087409A3
Indwelling catheter (60) having an upper distal end (66) having a portion that can expand within a bladder type spaces without having to be inflated. An embodiment allows for at least one slit on an upper side of the catheter tube (60) a...  
WO2003021139A3
A pressure-activated flexible valve (10) for use with a container for dispensing fluid material. The valve (10) has a single sealing surface and comprises an inner component (12) having a sealing portion (22) and an outer component (14) ...  
WO/2003/073953A1
The invention relates to a switching device for an irrigation line comprising two flexible supply tubes (4a, 4b), each of said tubes connecting a flask containing an irrigation fluid to a handpiece by means of a peristaltic pump. The inv...  
WO2002081085A3
Microfluidic devices and methods for performing a microfluidic process are presented. A microfluidic device conforms with a standard well plate format. The device includes a well plate comprising a plate and an array of wells formed on o...  
WO/2003/071173A1
A pressure-enhanced valve (100) comprising a diaphragm (108) for controlling a flow of fluid media having a first pressure entering through a first chamber (106), the diaphragm (108) having a first side within the first chamber (106) whe...  
WO/2003/068670A2
A valve (105) controls fluid flow in a microfluidic system (100). The valve (105) has an input port adapted to receive fluid exerting a predetermined level of pressure on the valve (105) and an output port. The valve (105) has a variable...  
WO/2003/069199A1
High strength, low weight pinch valves (10) formed from high performance composite materials are particularly well adapted for use as concrete boom discharge valves (10) to control concrete flow out of concrete booms without adding unnec...  
WO/2003/063945A1
A flow control clamp (30) having first and second legs (36, 38) disposed in a generally facing relationahip. The clamp includes apertures (40, 44) for receiving a flexible tube therethrough. The first and second legs include surfaces dis...  
WO/2003/064776A1
The invention relates to a flat diaphragm which prevents the passage of water from the toilet tank to the toilet bowl and which is designed to eliminate water leakages from said tank. The inventive diaphragm essentially comprises two pla...  
WO/2003/053271A2
The valve comprises a flexible resilient valve member which is positioned in a flexible fluid line in a fluid-tight relationship therewith. An actuating element, such as a ring-shaped member, surrounds the valve member, and an actuating ...  
WO/2003/052303A1
A fluid release system is disclosed comprising an apparatus that utilises fluid under pressure in operation. The system also includes a control means adapted to control the supply of fluid under pressure to the apparatus and a fluid cont...  
WO/2003/048616A1
An access valve (2) for a laparoscopic device or a intraluminal deployment device has a cylindrical diaphragm (8) with a longitudinal aperture (3), a flexible member (14) is passed circumferentially around the cylindrical diaphragm and a...  
WO2002004848A8
The invention relates to a valve (21) for a fluid or gaseous medium, with a displaceable valve body (8), by means of which the clear flow cross-section is adjustable. The valve (21), viewed in the direction of flow, comprises a pressure ...  
WO2002036485A8
A valve integrally associated with a microfluidic transport assembly useful for regulating the flow of a liquid sample through an analytical instrument, and method for manufacturing the same are disclosed. The valve includes first and se...  
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/2003/038323A1
A flow control device (100) for regulating the flow of liquid or gas through a flexible conduit (112) using a generally enclosed rack and pinion assembly (104) engaged by an external slidable assembly or switch (108). The case has a lowe...  
WO2002036998A9
A pinch valve (10) for pinching closed a tube (18) is comprised of a linear actuator (12) connected pivotally a pointer (16). The linear actuator is parallel to the tube and the end of the pointer that engages the tube is made to follow ...  

Matches 651 - 700 out of 6,516