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Patent Searching and Data


Matches 651 - 700 out of 5,915

Document Document Title
WO/2000/017549A2
The invention consists of a valve with a flexible diaphragm for shutoff and regulation of air flow in ventilation ducting, liquid ducts, powder transport plants (conveyor) and for dosing of shoot bulk in industries. The valve consists of...  
WO/2000/011532A1
A versatile flow rate controller comprises an orifice (8) exchangeable depending on the required opening for a different fluid and a different flow rate range, a control valve (2) on the upstream side, a pressure detector (6) between the...  
WO/2000/008364A1
The invention relates to an electric-control valve for regulating flow of fluid, wherein the water diaphragm front and rear chambers are provided between the inlet and the outlet conduits. The main stream of water flows from the inlet co...  
WO/2000/006929A1
A valve for an LP gas cylinder forming a gas container mounting part and a pipe mounting mouthpiece part in a valve disc having a valve chamber provided with a valve element for opening and closing an annular valve seat, wherein the gas ...  
WO/2000/003166A1
A rocker valve (1) for alternately sealing one of two outlet ports (11, 13) is provided with two cylinders in which there are respectively disposed pistons (53, 55) carrying sealing members (59, 61) for longitudinal reciprocation along t...  
WO/2000/003165A2
A valve (20) has a contractible valve element (28) formed of an i nner laminae of PFA and an outer laminae of PTFE having bosses (54, 56). The contractible portion is welded to a PFA tubular end portion thus providing the advantages of a...  
WO/1999/061825A1
An inverting spring assembly (10) including a housing, a resilient member (12), and an actuator (14). The housing includes a first support (16), a second support (18) opposite the first support, a third support (20), and a fourth support...  
WO/1999/058887A1
A float and pinch valve apparatus (20) comprising a control mechanism including a linkage assembly (45, 171, 173), a cam slot (166-169) and a cam follower (170) for arresting and providing a snap action to the valve apparatus (20) upon t...  
WO/1999/058841A1
The valve seat is located between the inlet (3) and the outlet (4), said valve seat having a gland (8) that is pressed by an elastic membrane preferably formed by part of a polysilicon layer and mounted above a cavity (2). Whenever a med...  
WO/1999/053233A1
The invention relates to a sealing element (1) with inflatable bellows (10) for sealing piping. Said sealing element can be e.g. cylindrical in shape and said bellows (10) can be provided with two recesses (14a, 14b) containing a gel (11...  
WO/1999/053205A1
The invention relates to a liquid flow amplification device comprising at least one micromechanic, fluidically regulated, flow amplifier (2) produced in a microstructuring process. The amplifier consists of a chamber defined by two strat...  
WO/1999/051897A1
A low pressure pneumatic valve control system having at least one manually actuable pilot valve (1, 2) to control a respective remote slave valve (3, 4). The system is particularly intended for use with pneumatic patient support apparatu...  
WO/1999/051298A1
The invention relates to a catheter valve (11) comprising a pivotal actuating lever (17) which is arranged in a housing (13). An elastically deformable line (15) which passes through the housing (13) can be closed by said actuating lever...  
WO1999040266A3
A greywater recycling system comprises a low level sump (10) for holding greywater. The greywater is disinfected by means of a chemical solution which is fed from a special mixing tank (18). The chemical solution is introduced into the s...  
WO1999030770A9
The present invention is directed to a flow controller of Ringer's solution for the medical use. The conventional type of controller having a shape of guide rail (2a) wherein the pressure control of the supply tube (7) is improved to ach...  
WO/1999/043365A1
A sphincter valve (11) for controlling the flow of fluid through a fluid delivery line has a body (12) molded of a unitary piece of substantially flexible silicone material. The body is formed with an outer shell (17), and interior tube ...  
WO/1999/041536A1
A valve (22) includes a first diaphragm (48) for opening and closing a fluid flow path between an inlet port (44) and an outlet port (46). A second diaphragm (50) cooperates with the first diaphragm to enclose a chamber (52) formed withi...  
WO/1999/040352A1
The invention relates to a control element (1) for media, for instance, a pneumatic valve (2) or a hydraulic valve, comprising a valve body in which one or several channels (8) are arranged, at least one moving element (11) arranged in a...  
WO/1999/040266A2
A greywater recycling system comprises a low level sump (10) for holding greywater. The greywater is disinfected by means of a chemical solution which is fed from a special mixing tank (18). The chemical solution is introduced into the s...  
WO/1999/039118A1
The present invention discloses various embodiments of a thin film fluid control system (10, 110, 220) for controlling fluid flow through tubular conduits (24, 124, 224). The system is designed such that a shape memory alloy (14, 114, 21...  
WO/1999/035437A1
A valve assembly has a unitary Teflon?TM¿ valve housing (10). A pair of rigid tubes (60) are disposed in the openings (36, 48) at the valve seat (40), each tube forming a fluid-tight seal with periphery of the corresponding opening (36,...  
WO/1999/033514A1
A plunger assembly (10) for obstructing the flow of fluid through a flexible tube (12) is provided. The assembly (10) comprises a plunger sleeve member (18) having a first open end (20) and a compression mechanism (34) for selectively co...  
WO/1999/030770A1
The present invention is directed to a flow controller of Ringer's solution for the medical use. The conventional type of controller having a shape of guide rail (2a) wherein the pressure control of the supply tube (7) is improved to ach...  
WO/1999/031419A1
An open/close valve construction for use in solid-state fluid transport circuits having discrete fluid passageways (12a, 13a, 20) formed in rigid substrates (53, 56, 57) with a substrate land (58) between port regions of the fluid passag...  
WO/1999/023402A1
A valve is provided for use as a vacuum shut-off valve in a milking system. The valve includes a valve housing having an inlet port (18), an outlet port (20), and a web (28) between the inlet and outlet ports. The web has a pair of oppos...  
WO/1999/018377A1
A molded squeeze clamp (10) includes a first projection (36) for closing the gap between the ends (20, 22) and a second projection (42) for actuating the clamp.  
WO/1999/016669A1
An automatic supply device for solid-liquid mixed food which comprises an agitation device (3) and a constant-rate tank (28). The agitation device can uniformly agitate ingredients without destructing or having the same getting out of sh...  
WO/1999/013251A1
A housing of diaphragm valve has two valve chambers (11, 12). A central channel (21, 22) opens in each valve chamber and has an external connection (B, D). On each side of the central channels there are first (17, 19) and second side cha...  
WO1998053676A3  
WO/1999/010669A1
A valve such as diaphragm valve has a valve chamber with an inlet (2) and an outlet (3) and an inlet and outlet flow path, a valve arrangement adapted to enter the valve chamber to prevent flow through the valve. The valve has at least t...  
WO/1999/001687A1
A pinch mechanism suitable for use as a valve or as part of a pump. The pinch mechanism comprises a housing (11) within which an elongate conduit element (12) is located. A conduit engagement member (13c) is retained within the housing (...  
WO1998038092A3  
WO/1998/057093A1
The invention concerns sealed flexible structures inflatable by pyrotechnic gas generators to be used as devices for obstructing pipes, as fireproof barriers, for lifting vehicles or as structural building elements. Said devices consist ...  
WO/1998/057075A1
A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid fr...  
WO/1998/055785A1
Two-way valve for a liquid with an inlet (3) and two outlets (5, 6) provided with valve seats (7, 8). A diaphragm (9) is capable of abutment against the valve seats for selective operation of the valve. An activation arrangement (10) dis...  
WO/1998/053676A2
A check valve (1) comprising a body (2) having an inlet (4) and an outlet (28), an inlet chamber (5) and an outlet chamber (27) mounted in the said body (2) between the inlet (4) and the outlet (28), the said inlet chamber (5) being prov...  
WO/1998/053233A1
An electromagnetic flow control apparatus (20) includes a fluid flow conduit (26), a magnetic membrane (21), and a plurality of discrete sources of selectably variable magnetic fields (22, 27'), such as electromagnets, arranged in an ord...  
WO/1998/051894A1
A latching mechanism (26) for an adjustable squeeze-off clamp (10) comprising a static jaw (16), a movable jaw (18) with an associated adjustment member (20) and an over-the-center operating linkage including an operating handle (23) and...  
WO1998034056A3  
WO/1998/045629A1
A diaphragm valve including a valve housing (30) having at least three ports and at least two valve chambers (31, 32) provided in the valve housing. Each valve chamber has at least one first space (39) communicating with a respective one...  
WO/1998/039587A1
A damper apparatus (12) which includes an expandable, rigid frame (30, 32) mounted on an elongated rod (14) and a sheet material flexible cover (34) is collapsible to be installed through a hole (36) in a duct (10), and thereafter expand...  
WO/1998/038092A2
An integrated valve assembly including a valve body (154) defining at least two separate valves is disclosed. The valve assembly can be used, for example, in an interface between an aseptic or pasteurized product supply vessel (33), one ...  
WO/1998/037344A1
A method of manufacturing a diaphragm valve, comprising the steps of providing a diaphragm (18) of flexible material, said diaphragm having an upper surface (22) and a lower surface (23), providing a valve body (10) having a through cond...  
WO/1998/036797A1
This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for containing fluid, defined by a flexible bar...  
WO/1998/034056A2
A flow control device includes a first body (10) and a second body (26); a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal (28) that is disposed axially between the first and seco...  
WO/1998/028561A1
The invention relates to a valve, for regulating a flow of gas, comprising a valve body with an inlet for the gas to be regulated, an outlet for a regulated flow of a gas, a valve seat with a valve opening, a moving closure part comprisi...  
WO/1998/025062A1
A fluid control valve, which can control a fluid having a pressure in the order of 10 kg/cm?2�, has a response time in the order of several milliseconds and can be made small in size, and a fluid supply/exhaust system that provides les...  
WO/1998/022737A1
The valve of the invention basically consists in a rigid valve body with a flow inlet opening and one flow outlet. The body of the valve has a main cavity between the flow inlet and outlet with a valve seat in the limit of the main cavit...  
WO/1998/016765A1
An all metal diaphragm valve (10) is provided. The valve includes a housing (12) having an inlet passage (14) and an outlet passage (30) each of which communicates with a valve chamber (20). Portions of the inlet passage (14) in the valv...  
WO/1998/015711A1
Completion method for avoiding formation impairment in the completion of a wellbore by anchoring and activating a plug (P) at a selected position in the wellbore to seal off a selected portion of the wellbore from other portions of the w...  

Matches 651 - 700 out of 5,915