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Match
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Document |
Document Title |
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8152909 |
Gas chromatography check valve and system
An apparatus, system, and method are disclosed for a gas chromatography (GC) system with a check valve. The check valve is situated downstream from the electronic flow control module and upstream...
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8147225 |
Pump valve having a limiting element
The invention concerns a pump having a housing; a working chamber located in the housing for delivery of a fluid; a suction channel which is in flow connection with the working chamber for guiding...
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8061382 |
Sanitary valve assembly
A reusable sanitary valve assembly with a releasable cap or cover that disengages from the valve indicating an over-pressure situation has occurred, the cap or cover is capable of being reset, and...
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7946290 |
Underwater exhaust system and method
An underwater exhaust system and method which includes an exhaust valve having a sealing edge, an exhaust outlet for exiting an exhaust gas, and a projection for directing water flow away from the...
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7891374 |
Suction valve
A suction valve seat and guide assembly has an outer ring and a peripheral flange projecting outwardly from the bottom of the outer ring, and an inner surface with a top part sloping downwardly and...
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7850149 |
Pressure blast pre-filming spray nozzle
Disclosed is a nozzle assembly which includes a nozzle housing and a valve element axially slidable therewithin between a closed and an open position. The nozzle housing has a housing inlet and a...
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7726335 |
Check valve apparatus for fuel delivery systems
A check valve for a combustion engine fuel system includes a polymeric poppet valve including a valve stem and a valve head that terminates the valve stem. A valve seat is adapted for cooperation...
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7721757 |
Discharge check valve assembly for use with hermetic scroll compressor
A discharge check valve assembly for use with a hermetic scroll compressor having a compressor shell is provided. The discharge check valve assembly includes a valve housing and a valve seat...
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7673651 |
Flow regulating device
The device comprises a stationary body which has, defined inside it, a passage for a flow of liquid with at least one inlet opening and one outlet opening for the flow and in which at least one...
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7654509 |
Desuperheater spray nozzle
An improved valve element for a spray nozzle assembly of a steam desuperheating device that is configured to spray cooling water into a flow of superheated steam in a generally uniformly...
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7469712 |
Relief valve
A valve for the fuel system of a turbine engine works to relieve high pressure transients in the liquid fuel side of the turbine engine arising from the elevated ambient temperatures of operation...
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7426932 |
Spray fill device and method for using the same
A spray fill device for delivering water to a washing machine is provided. The spray fill device includes a body defining an inlet, an outlet port, a mounting port, and a plurality of outlet...
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7401619 |
Air valve device for an inflatable article
An air valve device is adapted to be fitted into an opening of an inflatable article, and includes a valve seat formed with a valve body that is disposed between an inflating port and a conduit, an...
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7367354 |
Check valve
A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be...
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7300482 |
Particle separation apparatus
Particle separation apparatus comprises a cyclone particle separating means, a particle collecting chamber and a fan driven by an electric motor for drawing particle laden air into and through the...
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7290559 |
Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine
A check valve having a valve housing inserted into a receptacle in which housing a pistonlike valve member is guided longitudinally displaceably and cooperating with a valve seat on the valve...
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7172175 |
Suction valve
A suction valve including a valve seat and a piston movably joined to the valve seat. The piston has a head for engaging the top surface of the valve seat and a stem extending downwardly from the...
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7143784 |
Sanitary fitting
A sanitary fitting (1) formed from a multi-wall housing (2) which can be inserted into a sanitary water pipe is provided that has at least two adjacent walls (6,7) surrounding an inner region (8)....
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7128088 |
Backflow preventer
A backflow assembly including a housing with a passage having at least one check valve positioned therein to permit fluid flow in one direction while preventing fluid flow in the reverse direction....
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7074020 |
Sanitary pump and sanitary valve
A sanitary pump and sanitary valve is provided employing a dual action piston for providing a constant pressure metering and delivery of fluids utilizing a drive shaft positively driven and...
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7028994 |
Pressure blast pre-filming spray nozzle
Disclosed is a nozzle assembly having a nozzle housing and a valve element axially slidable therewithin between a closed and an open position. The nozzle housing has a housing inlet and a housing...
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7004195 |
Discharge valve
A discharge valve including a valve seat and a piston having a head with a bottom surface that is convex across its entirety for engaging the valve seat. The piston has a stem extending upwardly...
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6994108 |
Check valve for fuel pump
A check valve for a fuel pump of a vehicle includes a valve housing adapted to be disposed in an outlet member of the fuel pump and a valve seat formed on the valve housing. The check valve also...
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6968858 |
Check valve
The check valve according to the invention significantly reduces the generation of noise by producing an asymmetrical circulation around the closing body causing a force resulting from the flow and...
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6899312 |
Pressure relief valve for flowing media
A pressure relief valve for flowing media has a closing element (6), whose closing force can be set with both the setting of the closing force and the brief release of the closing element (6)...
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6877525 |
Check valve for fuel pump
A check valve for a fuel pump of a vehicle includes a valve housing adapted to be disposed in an outlet member of the fuel pump and a valve seat formed on the valve housing. The check valve also...
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6866062 |
Check valve
A check valve for a compressed gas system. The valve has a body with an internal passage extending through the body and a valve seat positioned in the passage. A poppet is movable between a closed...
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6837267 |
Cartridge insert for a fluid line
A cartridge insert for insertion in a fluid line is provided having a cartridge housing within which is located at least one backflow inhibitor and downstream at least one flow regulator. The...
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6755629 |
Fuel injection pump having one-way valve for supplying fuel into pressurizing chamber
Low pressure fuel led from a fuel tank to a fuel injection pump is pressurized and sent out to a common rail that accumulates the pressurized fuel therein. A one-way valve that allows the low...
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6746001 |
Desuperheater nozzle
An improved nozzle assembly for spraying cooling water into superheated steam flowing through a steam pipe of a steam desuperheater includes a nozzle housing, a nozzle barrel, a valve element, and...
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6736162 |
Pressure relief valve with improved repairability
A repairable pressure relief valve having a valve body that forms an internal fluted surface provides improved field repairability. The internal, fluted surface is adapted to mate with a removal...
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6719544 |
Valve for scroll compressor
In a valve used in connection with a scroll compressor, a central profiled body is designed to protrude in an opening for outlet of gas from a compression stage, a outer axisymmetric surface of...
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6668853 |
Pressure relief valve with field-replaceable high corrosion-resistant components
A pressure relief valve has a gasketed main body fastened to a vessel wall adjacent to a vent port, the body having a recess surrounding the port which receives a plastic insert removably coupled...
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6613096 |
Prosthetic pressure relief valve system
A cylindrical housing has a flange at an exterior end, male threads in an external surface remote from the flange, and a small axial hole, and female threads in an internal surface remote from the...
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6581633 |
Check valve and method of fabrication
A check valve comprising a casing having a flange extending circumferentially around the inner periphery of the body. The flange is constructed by first drilling from a first direction at a...
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6340031 |
Check valve for refueling pipe of fuel tank
A first spring guide fitting the outer periphery of one end portion of a coil spring is provided at an end wall portion of a valve casing, and a second spring guide fitting the inner periphery of...
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6279175 |
Overflow preventer
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6152171 |
Check valve
A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced...
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6024121 |
Check valve
A check valve having a valve housing with a pair of opposite end faces including an upstream end face and a downstream end face. The valve housing has a fluid passage extending axially therethrough...
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5971016 |
Super high flow pressure relief valve
A pressure relief valve for use with inflatable devices such as life rafts and escape slides which provide significant improvement in exhaust flows while maintaining a highly desirable compact...
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5918619 |
Safety pressure relief valve assembly, components therefor and methods of making the same
A safety pressure relief valve assembly is provided wherein the safety pressure relief valve assembly has a first tubular body with a first end and a second end, a wall of given thickness with a...
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5911562 |
High pressure fluid delivery system with automatic priming valve
An improved valve assembly for automatically priming a hydraulic pump during a suction-fed application wherein the pump must draw fluid from within a holding tank for subsequent pressurization and...
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5678604 |
Fast opening, slow closing, relief valve
A valve is indicated as well as a device for controlling the valve body in a valve, which is special in that the travel of the valve body in the valve housing is insignificantly damped in the...
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5664601 |
Relief valve with abnormal pressure indicator means
A relief valve with abnormal pressure indicator means, including a valve rod with a valve flap moved in a casing to close/open the passage, a cap mounted on the valve rod outside the casing, and an...
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5623962 |
Pressure relief valve
A pressure relief valve which has a body including first and second openings for connection in a line and an interior wall defining a flow-through passageway extending from the first opening to the...
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5617893 |
Vacuum relief valve
A vacuum breaker valve assembly is provided including a housing mountable to a transport tank. The housing has a wall defining a passageway through the housing and there is a valve member movable...
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5531571 |
Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby
A regulating device for screw-type compressors, which contain a compressor dement (1), an electrical motor (2) to drive the compressor element (1), a minimum pressure valve (4) which is mounted on...
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5443092 |
Fluid flow valve device and assemblies containing it
A valve device for restricting fluid flow has a hollowed piston member having a closed piston end wall and an open piston seat end. The piston end wall is integral with a second piston wall which...
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5421306 |
Check valve for engine fuel delivery systems
In a fuel delivery system that includes a pump for supplying fuel under pressure from a supply to an internal combustion engine and a pressure regulator for returning excess fuel from the engine to...
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5415303 |
Railcar cushion unit
A railway car cushioning device is provided for minimizing slack between railway cars. The cushioning device is provided with a piston and piston rod disposed within the cylinder. The cylinder is...
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