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Document |
Document Title |
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7195029 |
Inflate and deflate valve
An inflate/deflate valve of a heavy duty design for use during inflation of inflatable devices such as dunnage bags. Such dunnage bags are used in hostile or rough environments where when deflated...
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7174910 |
Valve core
A valve core for opening and closing a core mounting throughbore includes a cylindrical core body fixed inside the throughbore and having a distal opening, a moving shaft inserted through the core...
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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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7066201 |
Valve device having solid engaging structure
A valve device includes a housing including a peripheral valve seat extended into a chamber, to separate the chamber into two separated spaces. A valve member includes an outer peripheral groove to...
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7036523 |
Serviceable check valve
Within a check valve, a spring urges a poppet into the closed position. If the fluid flow through the valve attempts to reverse, the poppet will seal against the valve seat by a combination of...
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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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6929023 |
Back flow prevention device for pipelines conveying fluids
A back flow prevention device is shown for use in a plastic pipeline for conveying water, sewage, hydrocarbons or other fluids. A valve body features a flow control mechanism which is formed...
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6923202 |
Modular pressure relief valve
A pressure relief valve having a modular design that allows the release pressure of the valve to be altered during assembly is provided by the present invention. The valve includes a serrated valve...
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6904933 |
Enclosure for outdoor equipment
An enclosure for outdoor equipment, which can prevent the enclosure from being damaged by a rise of air pressure inside the enclosure by exhausting air from the enclosure, and further can secure...
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6892757 |
Hydraulic valve
Hydraulic valve with a valve chest ( 1 ) provided with a substantially cylindrical internal chamber ( 5 ) which may be closed by a valve disc ( 9 ) which with its conical rim ( 9 ′) engages the...
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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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6835053 |
Check valve
In the check valve having a valve seat member and the valve member, the valve seat member is provided with first and second conical seats. The second conical seat is positioned upstream the first...
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6830064 |
Leak control valve
A leak control valve preventing the damage of the vacuum pump and/or the neighboring instruments even in the case of fluid leak at the vessel. The side wall of the valve poppet closes the channel...
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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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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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6513556 |
Flexible hose passive shut down system
The flexible hose assembly 10 interconnects a portable tank and another tank for transmitting hazardous fluids. A back check housing 34 contains a valve member 56 and a seating surface 58 ...
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6497248 |
Pressure relief device with one piece gasket
Disclosed is a pressure relief valve for attachment to a closed vessel having an opening to vent gas and liquids from the housing should the internal housing pressure rise to unacceptable levels....
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6470911 |
Check valve and fuel tank with check valve attached thereto
A check valve attached to an inner wall of a main body of a fuel tank ensures a sufficient seal of the main body from outside, without increasing the required number of parts. The check valve...
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6367501 |
Anti-geyser shut-off valve assembly
An anti-geyser shut-off valve assembly for a water sprinkler irrigation system. It has a valve housing, a valve member, a coil spring, and a push nut that would be installed on the elongated shaft...
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6328883 |
Fuel filter assembly with priming pump
A fuel filter comprises a filter head having an inlet and an outlet. A filter element is connectable to a nipple portion in the filter head. An actuating projection supported by the element is...
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6257503 |
Dispenser head and receptacle fitted therewith
A spray head for fixing on a control rod of a valve or a pump. The spray head includes a body and a shutter disposed in a housing of the body. The housing is suitable for dispensing substance under...
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6187182 |
Filter cartridge assembly for a gas purging system
The filter cartridge assembly has a valve body having an interior flow passage, a filter across the interior flow passage, and a check valve assembly in the valve body. The filter removes...
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6098623 |
Pressure-limiting valve wherein valve plate oscillations are prevented
A pressure-limiting valve for use in a gas system for manual ventilation of patients, has a valve seat with an opening, a valve plate and a force-generating element, the force-generating element...
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6050295 |
High flow valved fitting
A valved fitting is provided which includes a body having a first end and a second end spaced from the first end, with a fluid passage extending through the body between the first and second ends....
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5979408 |
Fuel injection system
A fuel injection system (10) for a multiple-cylinder engine includes a single solenoid-operated fuel metering valve (12) connected through fuel lines (50) to a plurality of fuel injection nozzles...
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5975061 |
Bypass fuel pressure regulator
A bypass fuel pressure regulator disposed downstream of and in communication with a fuel pump outlet to bypass at least a portion of the outlet fuel from the fuel pump corresponding to the engine's...
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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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5947784 |
Apparatus for producing toroidal bubbles and method
A device that produces toroidal bubbles of gaseous fluid when operated in immersed relation to a body of liquid fluid. A first embodiment is operated by a person who blows into a first end of the...
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5919033 |
Pump having relief valve seat free of direct structural restraint
A pump includes a coaxially integrated pump bypass/relief valve element of high density polymer material seats against a hard metallic sleeve that is pressed into a first counterbore around the...
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5688113 |
Piston for a piston pump with a two part inlet valve body
The invention relates to a piston, through which a fluid can flow, for a piston pump, which piston has a longitudinal bore into which a spring-loaded inlet valve body is inserted. In order to be...
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5662140 |
Internally mounted high pressure hydraulic valve for vehicularly mounted water receiving tanks
A valve device installed within the interior of a water receiving tank. A cylindrically shaped housing has a pair of openings at either end and is substantially contained within the tank. A valve...
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5639219 |
Airless paint sprayer intake dampener and inlet valve spring
An airless paint sprayer includes an inlet check valve assembly having a dual spring configuration which allows for increased travel distance of the inlet check valve thereby increasing the fluid...
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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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5588817 |
Pressure-medium-traversed piston of a reciprocating piston pump
This invention is directed to a closing member of an inlet valve of a pressure-medium-traversed piston of a reciprocating piston pump. The closing member is disposed as fully as possible in the...
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5544673 |
Method and arrangement for assembling fuel injection nozzles
Disclosed herein is a nozzle assembly comprising a housing including a central bore having, at one end thereof, a valve seat, an elongated needle member having, at one end thereof, a valve portion...
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5472013 |
Fuel injection nozzle
A valve assembly including a valve housing adapted to be fixed in the bore of a member supplying fuel under pressure, the valve housing including a bore which extends along an axis, which is...
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5465752 |
Multi-function valve for a riser in a sprinkler system
A multi-function valve for installation in a riser of a sprinkler system provides two valve functions. One function is to stop flow automatically when breakage of a sprinkler head causes the flow...
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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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5356270 |
Ultra high vacuum cryopump relief valve assembly
A secondary pressure relief valve assembly is coupled to a cryopump relief valve for reducing the gas load on the cryopump. The pressure relief valve assembly comprises a main housing mounted to a...
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5240040 |
Mixing valve
A mixing valve according to the invention allows fluids such as hot and cold water to flow through a pair of inlet ports, mix together and then exit through an outlet port. A check valve in each...
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5176171 |
Check valve
A check valve includes an outer poppet therein having a central opening therein where the outer poppet is mounted on the internal lip within the body of a valve. The outer poppet is translatable...
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5172720 |
Single seal fluid control valve
A single seal fluid control valve (100) is provided that has a guide member (12) secured within a chamber (34) of a body member (2) such that an outer portion of a sealing member (18) secured to an...
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5171136 |
Fluid flow control device
A novel pressurized fluid delivery system which has a single fluid inlet block for each plunger of a pump assembly and with an individual fluid inlet manifold and an individual fluid discharge...
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5137050 |
Pressure relief valve and cryopump utilizing the same
A self-cleaning pressure relief valve has a spring-biased valve closure with an annular contact edge which makes contact with an o-ring to seal the valve. The annular contact edge is slightly...
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5135025 |
Articulated oral inflation valve
A check valve for use in an oral inflation valve has an articulated connection between the valve head and valve stem. The valve stem has a trailing end in the form of a spherical ball and a socket...
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5118265 |
Liquid pump assembly
A pumping apparatus comprises a piston/cylinder assembly mounted between two laterally spaced end cap sections attached to base means and including spring-loaded valve devices. A piston rod is...
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5004009 |
Valve device for controlling liquid flow
A valve device comprises a vertical, tubular housing, a vertical valve member in the housing, and a coil-form compression spring encircling the member and urging it upwardly against a valve seat in...
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4990247 |
Relief valve for liquid filter
A liquid filter as disclosed which includes a housing in which a filtering media is disposed. A relief valve permits the liquid filtrate to bypass the media when the pressure differential across...
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4958742 |
Container with safety valve
A pressure relief assembly arranged in the upper central region of a container for carrying liquids under pressure. The pressure relief assembly is provided in a hole in the container and includes...
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4941503 |
Vacuum assembly including an improved vacuum relief valve assembly
There is disclosed a vacuum assembly including a manifold housing having one port in fluid communication via a conduit with the suction side of a pump and wherein a user site is in fluid flow via a...
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