Matches 1 - 50 out of 198 1 2 3 4 >
Match Document Document Title
7409964 Faucet type valve with backflow control in handle structure  
In a valve, the combination comprising a valve chamber, having a flow inlet and a flow outlet, a valve operator outside the chamber, a stopper in the chamber and operatively connected with the...
7325783 Valve seat edge relief profile  
A valve seat has an outer surface, a rearward end, a face and a forward end. A passage extends from the rearward end to the face. A valve element slidingly contacts the face. Stress relief flanges...
7225831 Fluid flow control valve  
A fluid flow control valve that may be used as both a check valve and a relief valve. The valve includes a moveable valve member having a surface capable of forming two or more valve seal areas...
7128089 Flow control providing stable fluid flow  
An electro-mechanical variable fluid flow restrictor includes a support having a passage and a seal surface, a deformable seal that is engageable with the seal surface, and a bias member for...
RE39334 Luer-receiving medical valve and fluid transfer method  
A medical valve is provided that includes a housing having a main conduit and a branch extending from the main conduit and in fluid communication with it. The bore of the branch has an elastomeric...
7073776 Sluicing valve device  
A sluicing valve device in which a valve element is arranged in case members attachable to a pipe, and the valve element comprises a valve element core metal fitting, an elastic seal member...
7036490 Elastomeric vapor flow control actuator  
A canister purge valve for regulating fuel vapor flow between a fuel vapor collection canister and an intake manifold of an internal combustion engine. The canister purge valve includes a body...
6994321 Reciprocating ball valve  
The device described herein is a valve suitable for the control or shut-off of fluid flow in a piping system. It comprises a valve housing having inlet and outlet ports and a cylindrical bore whose...
6978981 Taps for controlling liquid flow  
The invention discloses a tap ( 10 ) for controlling liquid flow. The tap ( 10 ) has a tube ( 14 ) with first ( 16 ) and second ( 18 ) opposite open ends, an inlet opening ( 20 ) leading into the...
6886586 Symmetrical valve configuration  
A compression-type valve seating ring device for sealingly engaging the valve seat. The seating ring device includes a resilient cylindrical body having a central axis and having a side surface, a...
6845969 Valve and sealing structure therefor  
A valve is generally elongated in shape and is inserted through an O-ring and amounting hole formed through a plate-shaped member. The valve includes a thread formed on an outer circumferential...
6840504 High-pressure switching valve device  
A high-pressure switching valve device. A valve main body pressed to contact with an end face of a valve seat when the high-pressure switching valve device is closed, and a seal member pressed to...
6820857 Needle valve with soft tip stem  
A needle valve having a soft tip adapted for sealing an annular valve seat of a body port. The soft tip may be defined as two dissimilar circular rod sections of ductile plastic with the larger...
6722629 Flow control valve  
A flow control valve capable of increasing a delivery flow rate gradually with a simple structure, comprising a flowout port ( 26 ) to deliver a pressure fluid to the outside, a valve disc ( 3 )...
6701958 High performance fluid control valve  
A fluid control valve includes a valve body having a fluid passageway, a cage mounted in the fluid passageway and a valve plug assembly including a valve plug. The cage has a cage bore and defines...
6698719 Seal arrangement for a vacuum valve  
A seal arrangement for a vacuum valve with a valve body in which is arranged a valve opening having a longitudinal axis and which has an inner jacket surface surrounding the valve opening and...
6695286 Valve with ball of controlled deformation  
A valve with ball of controlled deformation for fluid shut-off comprising an external containment body ( 11 ), inside which is arranged a shutter element ( 13 ), movable between a closure position...
6651693 Check valve  
The check valve ( 12, 14 ) of the present invention is a ball-type valve that incorporates multiple annular valve seats ( 34, 38 ) of progressively smaller diameters for the specific purpose of...
6629682 Vacuum valve  
A vacuum valve comprises a wall with a valve opening and a valve seat, a valve plate which is pressed against the valve seat in the closed state, an elastic sealing ring which is arranged at the...
6623012 Poppet valve seat for an integrated pressure management apparatus  
A seal for a poppet valve of an integrated pressure management apparatus, a valve system using the poppet valve seal, and a method of cleaning debris off of a poppet valve. The poppet valve is...
6571822 Low blow down relief valve  
A relief valve having blow down values of 5% or lower is disclosed. The low blow down values are the result of reducing friction within the relief valve. The relief valve includes a movable...
6569116 Intravenous flow controlling device  
An intravenous (IV) flow controlling device comprises a flexible open container having a specific gravity less than one and an outer diameter smaller than that of the drip chamber, the container...
6491282 Poppet release for poppet valve of a fuel dispensing nozzle  
A fuel dispensing nozzle includes an inlet for the fuel being pumped, a spout for dispensing of the fuel, a poppet valve between the inlet and outlet, and a handle which is operable to move the...
6354568 Sliding plate valve  
A plate valve which includes two sliding plates and which carries seal portions with an elongated slot. A valve body of the plate valve includes a second elongated slot with further seal portions...
6338445 Fuel injector  
A fuel injector comprising a nozzle body having a first bore defining first and second seatings, an outer valve needle being slidable within the first bore and engageable with the first seating to...
6289926 Flapper valve assembly with seat having load bearing shoulder  
A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is...
RE37357 Luer-receiving medical valve and fluid transfer method  
A medical valve is provided that includes a housing having a main conduit and a branch extending from the main conduit and in fluid communication with it. The bore of the branch has an elastomeric...
6263910 Valve with secondary load bearing surface  
A valve (120) for controlling fluid flow therethrough in downhole applications is disclosed. The valve (120) comprises a valve housing having a valve closure mechanism (122) and a valve seat (124)...
6196261 Flapper valve assembly with seat having load bearing shoulder  
A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is...
5617632 Methods for forming a contoured regulator seat  
A method for forming a contoured regulator seat in the substrate of a fluid flow regulator having a membrane with an elastic flexure. The method may involve the steps of deflecting the flexure into...
5549651 Luer-receiving medical valve and fluid transfer method  
A medical valve is provided that includes a housing having a main conduit and a branch extending from the main conduit and in fluid communication with it. The bore of the branch has an elastomeric...
5467964 Quick coupling component with pressure reduction member  
A quick coupling component including at least one valve member. A pressure reduction channel is provided in at least one valve member. A pressure reduction member is arranged in the pressure...
5415202 Multistage variable area throttle valve  
A throttle or fluid control valve uses at least one compressible multi-wave asher as a fluid control element. The apertures formed by the multi-wave washer are short and of low aspect ratio when...
5415201 Multi-stage fluid flow control device  
A fluid flow control device includes a support brace fixably mounted in a uid flow tube. An actuator rod is slidably supported by the support brace. A plurality of conical washers are mounted in...
5411054 Positive displacement compressor  
A reciprocating positive displacement compressor is described. The positive displacement compressor has an intake or exhaust valve provided with a deformable seal means, such as a Belleville...
5392810 Plates for wafer check valves  
A metal plate 20 for a dual plate wafer check valve. A central portion 36 of the D shaped plate 20 is reinforced such as by means of a raised area 36 on either or both sides of the plate to resist...
5368060 Valves  
A valve comprises a valve seat member and a movable valve member (preferably a disc with at least one face coated with piezo electric material) movable towards and away from the seat to close and...
5364068 Valve block assembly  
A valve block assembly with internal delivery channels and a common outlet channel is provided. Access of reactants to the delivery channels is controlled by diaphragm valves, preferably equipped...
5259590 Valve seat for high temperature valve  
Valve such as a ball valve with a metal seat ring assembly comprising an outer ring seated in the valve body and an inner ring seated in the outer ring. The outer ring is formed with a lip...
5249600 Valve seat for use with pumps for handling abrasive fluids  
An improved valve seat which significantly decreases the impact stress caused by the impact of a mud pump valve body against the valve seat. The valve seat comprises a generally cylindrical body...
5246205 Valve assembly and use  
A poppet valve assembly is provided. The preferred poppet valve assembly comprises a valve seat, valve head member and actuation arrangement. In the preferred embodiment, the valve head member...
5152504 Vacuum valve  
A vacuum valve that forms a tight vacuum seal is disclosed. The valve incorporates a hollow, malleable, metallic O-ring that deforms and conforms readily under pressure to seal the space between a...
5064169 Shock absorbing means for flow control devices  
A pressure relief valve (14, 14A) has a reciprocable valve member (34, 34A) for seating on an annular seat face (66,66A) of a nozzle assembly (38,38A). The nozzle assembly (38,38A) has an inner...
5063961 Screw-type valve housing  
The stepped borehole and the valve housing are normally provided with cylindrical circumferential sections, which have been subjected to fine finishing and which are in exact axial alignment with...
5011116 Shock absorbing sealing means for flow control devices  
A flow control device illustrated as a pressure relief valve (10, 10A) has a reciprocable valve member (22, 22A) for seating on a face (20, 20A) of a fixed seat ring (18, 18A). The valve member...
5007446 Temperature actuated flow control device  
A flow control device, such as a valve, has a valve body which has a fluid holding chamber therein. An inlet in the valve body couples the chamber to a source of pressurized fluid. An outlet in the...
4988075 Seal for valves or flanges, in particular for vacuum technology  
For the sealing of valves or flanges, particularly used in vacuum technology, two opposed sealing surfaces are arranged at a main flange, on which a sealing element can be brought to rest, which is...
4934375 Flush-valve assembly for blood pressure measurement catheter  
A resilient valve core, biased against its seat in a molded body, controls large flow volumes for flushing. A small resilient tube embedded in the core bypasses the valve to provide smaller flow...
4915354 Cushioned valve seat  
A valve employed in applications where the valve is rapidly cyclically opened and closed over extended periods of time is constructed in a manner such that the impact between a rapidly moving metal...
4848729 Valve seal  
An improved valve seal is provided which utilizes a c-shaped secondary seal. The c-shaped seal is positioned between the valve disc and the valve seat. A retainer locates the c-shaped seal with...
Matches 1 - 50 out of 198 1 2 3 4 >