|
Match
|
Document |
Document Title |
|
|
7628380 |
Self-compensating packing gland
A valve assembly includes a stem and a body having a passageway for receiving the stem. The diameter of at least an upper portion of the passageway is greater than a diameter of the stem assembly...
|
|
|
7617955 |
Method and system for dispensing liquid from a module having a flexible bellows seal
A dispensing module for dispensing liquid includes a dispensing body having an inlet, a discharge outlet, and a flow channel therebetween having a valve seat. A needle having a valve element is...
|
|
|
7587824 |
Flow control valve and method for rebuilding a flow control valve
A method for rebuilding a flow control valve, may be performed by first providing a flow control valve having a rotor positioned in a chamber of a valve body. The rotor has a valve stem. A top...
|
|
|
7578495 |
Leak prevention system
The present invention is a leak prevention system that monitors and detects loosening of a valve. The leak prevention system includes a biasing member, a tightening member, and a pulling member....
|
|
|
7565913 |
Metal valve stem seal and sealing system
The present invention is directed to a metal valve stem seal and sealing system comprising a valve body; a metal valve stem housed within the valve body; a bonnet member housed within the valve...
|
|
|
7540303 |
Adjustable sealing means
A valve has a valving element which is rotatably fitted within a valve body. This valving element of the valve is joined by a stem or shaft portion which extends out of the valve body to interact...
|
|
|
7513270 |
Balanced safety relief valve
A safety relief valve provides for the equalization of backpressure across a valve spindle by providing for flow of fluid between equal sized upper and lower surfaces of the spindle in order to...
|
|
|
7503544 |
Flap valve for a motor vehicle exhaust system
A flap valve for a motor vehicle exhaust system includes a valve housing in which a valve flap is pivotally mounted about a shaft. A bearing housing is disposed in a gas-tight manner outside the...
|
|
|
7503316 |
Anti-coking bushing assembly for an exhaust recirculation control valve
An anti-coking bushing assembly for sealing a pintle shaft of an EGR control valve, comprising a bushing carrier disposed in the valve body and supportive of close-fitting pintle shaft bushing...
|
|
|
7438036 |
Oil metering valve seal
A valve stem seal having an annular valve body with an upper surface, a lower surface, and defining an aperture is disclosed. The valve body is positioned for selective sealing engagement with a...
|
|
|
7429028 |
Valve, exhaust gas recirculation control valve and valve assembling method
A valve has a housing, a shaft with a valve disc, and a sliding shaft support portion along which the shaft slides, wherein the sliding shaft support portion is provided with a seal member movable...
|
|
|
7428912 |
Metal valve stem and sealing system
A metal valve stem seal and sealing system includes a valve body, a metal valve stem housed within the valve body, a bonnet member housed within the valve body, and a U-shaped metal stem gasket...
|
|
|
7426936 |
Fully independent, redundant fluid energized sealing solution with secondary containment
A redundant sealing system with secondary containment for preventing leakage of fluid along a valve shaft is provided. The system comprises a first set of dynamic seals, a second set of dynamic...
|
|
|
7380768 |
Balanced-plug cage style control valve and bonnet seal assembly
A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal. The elastic seal assembly includes an annular seal having an elastic region, a...
|
|
|
7370673 |
Self-contained isolated port
A service valve for a refrigerant system comprising a valve body and a system port. The valve body has at least one fluid passage integrated therein including a longitudinal bore. An orifice is...
|
|
|
7316386 |
Valve stem seal assembly
A valve stem seal assembly having a retainer body that includes an annular interior passageway defined by a wall is disclosed. At least one internal sprue extends between top and bottom ends of the...
|
|
|
7309058 |
Flexible backseat seal for gate valve
A gate valve has a body having a cavity and a stem passage extending from the cavity. A stem extends through the stem passage into the cavity for moving a gate in response to rotation of the stem....
|
|
|
7303179 |
Split packing follower for use with valves
Split packing followers for use with valves are disclosed. A disclosed packing follower includes a first member having a first portion of a flange and a first portion of a curved wall extending...
|
|
|
7249750 |
Pressure balanced fluid control device
The present invention is directed to a pressure balanced fluid control device. In one illustrative embodiment, the device comprises a body, a bonnet coupled to the body, a valve stem operatively...
|
|
|
7249751 |
Ball valve with shear bushing and integral bracket for stem blowout protection
A valve 100 comprising a one piece valve body 112 having an axial fluid bore 124 therethrough and a fluid control element 110 rotatable between open and closed positions. The body 112 ...
|
|
|
7243902 |
Pressure-compensated, directly controlled valve
The invention relates to a valve for high-pressure hydraulics, having a valve bore provided in a valve housing in which bore at least one valve seat dividing a guide on the high-pressure side of...
|
|
|
7219878 |
Live loaded packing for valve
In accordance with the present invention, there is provided a lie loaded packing assembly for a valve which comprises a valve body defining a passage having a valve stem moveably disposed therein...
|
|
|
7216844 |
Valve which enables easy operation of a closure mechanism at any internal valve pressure
The invention relates to pipeline accessories and can be used for working medium flow control in pipelines in particular the pipelines having a high pressure and flow rate of working fluid....
|
|
|
7201361 |
Gate valve having reduced friction
Valve having a valve housing, a valve member slidable in the valve housing between open and closed positions, and a friction reducer to reduce friction between the valve member and the valve...
|
|
|
7201362 |
High temperature resistant seal structure, valve comprising the same and aerospace craft side thruster
A thruster valve for controlling a flow of high temperature fluid, comprising a valve casing, a graphite liner, a drive rod, and at least one relief hole. The graphite liner is disposed in a...
|
|
|
7198252 |
Housing flange unit
The present invention is directed to a housing flange unit which includes a housing flange wherein a butterfly valve shaft is rotatably mounted in a perpendicular position in relation to the...
|
|
|
7159845 |
Bearing module for an exhaust gas recirculation valve
A bearing module for a pintle valve including a pintle bearing, bearing spring, and two-part housing. The bearing has an axial face for sealing against an inner axial surface of the housing. The...
|
|
|
7111821 |
Control valve, in particular plug valve with sealing system
The present invention relates to a plug valve comprising a valve body and a shutter that can be actuated, in the form of a segment of a sphere provided with a mobile shaft in rotation and/or...
|
|
|
7104522 |
Coking-resistant shaft/bushing mechanism for an exhaust gas recirculation valve
An exhaust gas recirculation valve assembly including a bushing and pintle shaft sub-assembly having a pintle shaft supported by a sleeve bushing, the contact area between the shaft and bushing...
|
|
|
7104523 |
Valve having contamination counter-measures
An anti-coking valve arrangement having a valve body that defines a passage for the flow of fluid medium. Valve seat and valve member positioned within the valve body and function to control the...
|
|
|
7093820 |
Over center high deflection pressure energizing low leakage seal
A low leakage seal for separating two environments and contacting a component surface is provided. The seal includes a base and an annular rib. The annular rib is coupled to and extends from the...
|
|
|
7093819 |
Ball valve with shear bushing and integral bracket for stem blowout protection
A valve 100 comprising a one piece valve body 112 having an axial fluid bore 124 and a rotatable fluid control element 110 . The body 112 includes an integral bracket 128 which provides...
|
|
|
7083160 |
Balanced-plug cage style control valve and bonnet seal assembly
A balance-plug cage style control valve has substantially reduced body-bonnet bolt loading with an elastic seal. The elastic seal assembly includes an annular seal having an elastic region, a...
|
|
|
7063303 |
Throttle apparatus having axial displacement restricting structure
A throttle shaft, first and second bearings, are inserted and formed in a bore wall part of a throttle body, when the throttle body is formed in the same dies. That is, when the throttle body is...
|
|
|
7059586 |
Knife gate valve having elastomeric gate and chest seals
A gate seal for a knife gate valve comprising a sealing surface lining the gate channel and an integral gasket for compression between valve body halves, a chest seal for a knife gate valve...
|
|
|
7048254 |
Low-leakage valve apparatus
A low-leakage valve apparatus which reduces fugitive emissions from valves to the ambient atmosphere. A secondary packing chamber or gland is installed on an existing valve to intercept leakage...
|
|
|
7017915 |
Stem or shaft seal arrangement
An improved seal arrangement in an assembly such as a valve assembly in which a compression member is provided to press a seal between the compression member and the valve body. In a preferred...
|
|
|
6997437 |
Valve for dynamic control of fuel flow rate in gas turbine power plant, power plant and components thereof employing such valve, and method of constructing such valve
There is disclosed a valve comprising a valve stem threaded with a translator having a flow modulating region, in which rotation of the valve stem about its axis causes the translator to move...
|
|
|
6991216 |
Valve
A valve, such as a liquid level sight glass gage valve, has a valve unit and a passageway that extends through the valve unit. The passageway has a stem receiving area, a seal receiving area, and a...
|
|
|
6981515 |
Balanced valve body for use with normally-open and normally-closed modes of operation
A valve body is provided that be used as a balanced normally open valve, a balanced closed valve, or as a three way valve. The valve body incorporates a valve plug provided with a pressure port...
|
|
|
6969046 |
Venting mechanism
A liquid sprayer is provided. This liquid sprayer comprises a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electric motor, a voltage...
|
|
|
6959912 |
Injectable packing unit in a single knife gate body
A knife gate valve is provided, comprising: a unitary valve body having a flow channel extending there through, a guide segment and a stuffing box. A knife gate is located in the guide segment, the...
|
|
|
6953182 |
Retainer lock nut for fluid pressure control device
A control valve includes a valve body defining a top opening. A bonnet is provided for closing off the top opening of the valve body. A stem housed in the bonnet and the valve housing slidably...
|
|
|
6938877 |
Valve stem seal assembly
A valve stem seal assembly includes a retainer and a sealing element disposed within the retainer. The retainer includes a step and one or more installation pads. The sealing element includes a...
|
|
|
6935615 |
Rod connector assembly
An improved rod connector assembly and method for mechanically fastening two rods together. Generally planar mating surfaces of a first rod assembly and a second rod assembly are compressively...
|
|
|
6935616 |
Balanced plug valve
A balanced plug valve having substantially reduced shut-off force requirements due to an integral dual seating arrangement of the valve plug within a valve housing having slanted inlet and outlet...
|
|
|
6916012 |
Sanitary drain valve design
A valve for sampling a process from a tank or conduit includes an internal cavity in communication with at least one inlet and an outlet. A valve actuating rod includes a sealing tip attached to...
|
|
|
6912993 |
Throttle system
To reduce the amount of air leakage from the air cleaner side of the throttle system into the engine side on an occasion where the throttle valve is set to a closed position, a seal material is...
|
|
|
6908070 |
Cylinder valve insert
A valve insert for a cylinder valve for connecting an LPG tank to a gas consuming appliance has a body member mounted in the outlet end of the cylinder valve and a valve element slidable in the...
|
|
|
6889956 |
Poppet valve bushing with tolerance ring
A pintle bushing assembly for a poppet valve assembly including a tolerance ring which is disposable between the pintle bushing and a bore in the body of the valve to both seal and center the...
|