Matches 1 - 50 out of 502 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
7451959 Plug valve having a seal boss  
A fluid control valve utilizes a rotatable plug valve member mounted in a fluid passage to control the flow of fluids. Two segments are placed on each side of the plug valve member within a recess...
7409966 Ball valve  
A ball valve includes a valve seat having a chamber therein and bores communicated with the chamber, a ball, which has a plurality of channels, received in the chamber, a shaft connected to the...
7165568 Rotating valve assembly  
Disclosed is a valve/seal assembly that is adapted for use in a variety of applications, such as for example, medical, consumer beverage, pharmaceutical containers, automobile, household appliance...
7108243 Ball valve  
A ball valve includes a housing, a valve member, and a grip. The housing has a valve chamber in the center portion for containing a valve portion of the valve member consisting of the valve portion...
6988708 Low torque ball valve seat  
A ball has a valve body defining an inner cavity and a fluid inlet and fluid outlet, a control ball element rotatably mounted in the inner cavity, and having a segment defining a ball face, and a...
6983922 Piloted directional control valve  
An electrically powered rotary solenoid drives a hydraulic pilot valve to actuate a hydraulic main valve. The pilot valve includes a seal carrier rotatable with respect to a seal plate. A carrier...
6908072 Variable flow control valves  
A variable flow control valve ( 1 ) includes a valve member ( 4 ) and a valve body ( 2 ). A seal member ( 5 ) is mounted on the peripheral portion of the valve member and has end portions ( 5 a )...
6796545 Poppet valve seal mechanism  
A poppet valve seal mechanism has a groove to which a seal member is mounted such that a width of an opening of the groove is smaller than a maximum width inside of the groove and a cross section...
6398225 Seal for a rotary valve for high temperature and high pressure fluids  
An improved seal for a rotary valve for high temperature and high pressure fluids. A removable seal member adapted for disposition between a valve body and a valve member rotatably disposed in the...
6371444 Multi-shot, injection molded valve  
A multi-shot, injection molded valve has at least two independent elements which are rotatably and non-detachably connected together. The valve includes a stationary housing and a pitcock rotatably...
6361051 Face seal for barrel type water valve  
A cylindrically curved rectangular face seal is provided for a cross-ported barrel type rotary valve member. The seal has a central flow orifice therethrough with an annular raised rib formed about...
6293517 Ball valve having convex seat  
A valve includes a valve ball and a convex metal valve seat ring that abut along a circle in a metal-to-metal seal. At very high contact forces, the valve ball and/or the valve seat elastically...
6213141 Rotary valve apparatus and associated methods  
A rotary valve is provided with an elliptical valve disc that seats against a seal element operatively mounted in an elliptically shaped depression formed in the rigid annular portion of a seal...
6186476 Shut-off valve for pipes  
The invention relates to a shut-off valve 1 for pipelines and/or for tanks that hold liquids. The shut-off valve 1 has two-part valve housing 3 with a passage opening 4. In the passage opening 4,...
6161569 Valve  
A valve including a housing, a rotatable body which can turn inside the housing, and two sealing rings made of sealing material, preferably polytetrafluoroethylene or a similar plastic. The sealing...
6047952 Ball valve assembly  
An improved ball valve assembly is provided for use on firefighting equipment and other applications. The ball valve assembly includes an improved seal assembly which includes both a load bearing...
5988265 Fuel cooler and coolant filter assembly  
A fuel cooler and coolant filter assembly for the filtering of coolant and the cooling of a fuel flow for use in connection with a cylinder head of a vehicle engine includes three primary...
5941266 Angle entry rotary valve  
Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on...
5934645 Rotary valve with pressure energized seal  
A rotary valve is provided including a valve element mounted within the flow path of a valve body and rotatable about a stem axis. A peripheral seating surface on the valve body surrounds the flow...
5904337 Ball valve seat and seal apparatus and assembly method  
A resilient cylindrical seat ring and pocket apparatus for supporting and sealing a valve ball in a valve body. A method for creating and energizing a seal between an annular valve seat and a valve...
5901945 Two-way valve for pipelines  
A two-way valve 10 for pipelines comprises a valve housing 12 with connection pieces 14 and a valve body 16 that is arranged in the valve housing an actuated via an adjusting lever 42. The valve...
5765815 Rotary valve with pressurized energized seal  
A rotary valve is provided including a valve element mounted within the flow path of a valve body and rotatable about a stem axis. A peripheral seating surface on the valve body surrounds the flow...
5577708 Ball valve  
A ball valve includes a housing which has at least two connector holes defined therein which communicate to a hollow space in which a plug is rotatably disposed, the plug has at least two recesses...
5562116 Angle entry rotary valve  
Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on...
5482253 Ball valve  
The invention relates to a ball valve of the trunnion type, comprising a valve housing having an oppositely directed coaxially aligned inlet and outlet, each of which being provided with an...
5419532 Valve seal  
A design for a ball valve seat uses elastomer and a hard material such as graphite or plastic to seal both high and low pressures. The seat is ring shaped. The seal is positioned on one end. In one...
5332193 Ball valve with sealing means for the closure part  
A ball valve with seals for the closure part, each seal is profiled in cross section and can be blocked in the closure part with the assistance of annular flanges which can be bent over against the...
5326077 Butterfly valve seal retainer  
A butterfly valve comprises a butterfly vane including a radial notch. A seal groove is situated in the vane and a seal including tabs is disposed within the seal groove wherein the tabs are...
5236176 Ball valve with reinforced ball  
A ball valve includes a hollow ball provided with beehive-shaped reinforcing portion in the hollow ball for enhancing a strength of the hollow ball durable of compression, impact or any external...
5234193 Rotary plug valve with seat seal  
An improved rotary plug valve of the type having a valve body with a fluid inlet conduit and a fluid outlet conduit therein has a rotary plug disposed for rotation in the valve body between an open...
5232200 Ball valve  
An improved ball valve for fluids, comprising a body composed of a main and lateral body which defines a longitudinal duct in which there is an obstructing ball having a cylindrical perforation, so...
5219149 Valves for fluid passage  
A valve for fluids with arrangements of O-rings on the mantle (lateral surface) of the valve stem, which permit the utilization of a variety of geometrical shapes of revolution for the design of...
5188144 Plug valve  
A plug valve having a body with an inlet, an outlet and a plug-receiving opening which intersects the inlet and outlet. A plug is mounted in the opening and has an outer wall and an orifice...
5095943 Flow path switching apparatus in steam trap  
A flow path switching apparatus in an automatic regulating valve includes a base having a fluid inlet and a fluid outlet which are connected to pipes, and an automatic regulating valve portion...
5069240 Flexible seating structure for rotary valves  
A flexible seating apparatus is disclosed for use in rotary valves comprising a flexible seat ring attached to one of the valve body and valve closure member in a cantilevered fashion and...
4998708 Butterfly valve with a sealing element of elastomeric material with an internal metal reinforcement  
Butterfly valve with a sealing element in elastomeric material with an internal metal reinforcement, made of a substantially tubular outer valve body, with flow pipe connections for fluids at its...
4997006 Rotary valve for vacuum service use  
A simply constructed, inexpensively manufactured rotary valve includes a molded plastic valve body having a seat on which is received a molded plastic rotary valve cover, the underface of the valve...
4982760 Three-way valve with radial seal  
A valve assembly for controlling fluid flow through at least three flowlines comprises a housing having a cylindrical central cavity with at least three ports opening therethrough, the housing...
4967779 Method of installing a valve seat in a valve body  
A method of installing a valve seat in a valve body wherein the valve body is provided with an annular, radially inwardly extending rib defining a circular opening through the valve body and the...
4953587 Ball valves for pipelines  
A ball valve is provided in which an outer housing (1) can be left in a pipeline during servicing and a sub-assembly can be removed as a unit from the top of the outer housing (1). The sub-assembly...
4934656 High-pressure ball valve  
A ball valve capable of sealing fluids under high pressure is disclosed. The ball valve includes a valve body having a first internal shoulder and a second internal shoulder. A support ring abuts...
4915132 Gas regulator selector valve  
A selector valve for use with a hospital vacuum on position in pressure module to supply vacuum or pressure to a utilization means. The selector valve has two or more positions and includes a...
4887629 Plug valve and method of assembly  
An eccentric plug valve and method for assembly wherein the valve utilizes a replaceable valve seat which is placed against a gasket held in a groove about a rim of a valve opening within the valve...
4863144 Plug valve  
An eccentric plug valve and method for assembly wherein the valve utilizes a replaceable valve set which is placed against a gasket held in a groove about a rim of a valve opening within the valve...
4854342 Clapper seal for dry pipe valve  
A clapper seal for a dry pipe valve wherein a disc-shaped, resilient, compressible sealing gasket is secured to the clapper valve body by an annular, metallic washer. The washer is disposed between...
4844410 Adjustable seat assembly for a valve  
There is provided a seat assembly adapted to be received in a spool bore of a valve having a fluid controlling member for controlling the flow of fluid through the valve, with the spool bore having...
4836500 Assembly and method for installing and retaining valve seals  
An assembly for retaining a seal ring in a seating surface of a valve is provided having a circumferential groove disposed in the seating surface for receiving the seal ring. The groove has a pair...
4779841 Assembly and method for installing and retaining valve seals  
An assembly for retaining a seal ring in a seating surface of a valve is provided having a circumferential groove disposed in the seating surface for receiving the seal ring. The groove has a pair...
4709902 Ball valve having valve housing with interior annular ridge for holding annular retaining element in position  
The valve member (8) of a ball valve is retained in the valve housing (1) of the valve between an annular seal (21) and an annular retainer (22) which is mounted through one of the branches of the...
4697786 Eccentric plug valve  
An eccentric plug valve having a resilient annular ring seating surface surrounding the inlet to the valve and a metal ring, matching the resilient annular ring, embedded in the sealing face of the...
Matches 1 - 50 out of 502 1 2 3 4 5 6 7 8 9 10 11 >