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7458558 |
Controlled method and apparatus for releasing pressure
Method and apparatus 10 for releasing pressure that may have built up behind a plug 18 in a controlled manner. Environmental and safety regulations mandate that all bleeder valves in a gas and...
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7159731 |
Air purge valve and filter pump cover employing same
A filter pump cover according to the invention comprises a filter cap, an air purge valve, and a filter cap retainer. An air purge valve according to the invention is comprised of a valve cap, a...
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7044443 |
Flat valve device
A flat valve device of a smaller size which can complete easy and swift air evacuation, in which the airtightness of a gas-containing structure and the operational safety can be improved, requiring...
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6729608 |
Carburetor float bowl drain screw with quick disconnect coupling
An elongated drain screw mechanism having a solid front end disposed in the fuel bowl of a carburetor. The mechanism has an intermediate section disposed in the bowl the intermediate section having...
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6553728 |
Insulating glass unit pressure equalization valve
A pressure equalization valve enabling equalization of pressure between the between-pane space of an insulating glass unit and ambient pressure, and glass units containing such a valve. The...
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6352086 |
Pressure relief nipple for RV hook-up
A pressure relief device is placed in line with a water supply hose for a recreational vehicle to facilitate bleeding off back pressure when disconnecting the hose from a water hook-up. The device...
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6273398 |
Vent valve for gas strut
A vent valve for a gas strut includes a first passage (9,12) in a body (2) extending from one side of a valve seat (8) to a surface of the body (2) which, in use, is exposed to the interior of a...
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6244572 |
Carburetor float bowl drain screw and recovery system
A carburetor float bowl drain screw and recovery system includes a retaining screw having a threaded forward end, an intermediate portion having a plurality of transverse holes leading to an axial...
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6062540 |
Double seal drain cock
A drain cock device for venting or draining gas or liquid from a pressurized vessel, such as an air compressor, that provides occlusive closure of an opening in the pressurized vessel. When the...
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5992293 |
Cylinder device
The invention concerns a device in an piston cylinder aggregate including a valve element (8) which comprises a valve body (9) for choking the flow in a fluid channel (6) in co-operation with a...
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5964448 |
Gravity assisted access plug
An access plug is provided for use in oil pans, transmissions and other fluid containers of equipment and the like. The access plug is weight imbalanced along the longitudinal axis to prevent...
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5957147 |
Retaining snap ring safety adapter
After removal of a valve cap from an in line shut off valve the Retaining Snap Ring Adapter with male threads and seat at one end, female threads and seat at the other end, a hex outer surface at...
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5890513 |
Non-wearing washer for fluid valve
A non-wearing washer for fluid valve is non-fixedly mounted between washer retainer means disposed at a bottom end of a valve stem and the valve seat. The washer is retained in its operative...
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5775672 |
Release valve for lifting devices
A release valve for a lifting device includes a valve stem, a fixing seat, a spiral spring, and a knob. The valve stem includes a first conical end mounted in an oil path of the lifting device, a...
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5722451 |
Device for bleeding or draining a duct
A device for bleeding or draining a duct comprises a member for closing a passage that opens out into the duct, the member having a helical groove formed in its peripheral surface enabling it to be...
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5562188 |
Hydraulic brake system bleed valve and method for bleeding air
An air bleed valve (40) includes a valve base (42), a valve cap (44) and an O-ring seal (46). The valve base (42) includes an inner threaded portion (58) that screws into a threaded bore (12) in...
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5560457 |
Bleeder screw for disc brake assembly
A bleeder screw for use in a disc brake assembly including a caliper provided with at least one cylindrical recess formed therein and at least one aperture formed therein. The aperture in the...
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5553786 |
Low volume irrigation device for horticulture and agriculture crops
A spray and drip irrigation device connectable to a low volume irrigation tube comprises a lower member connected to the irrigation tube and formed with an exterior thread along a part of its outer...
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5509435 |
Non-leaking valve
Disclosed is a valve having (A) a valve body with an aperture therethrough, a threaded tap crossing the aperture and opening to only one side of the valve body, (B) a tap screw having a head of...
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5368181 |
Captured drain plug or vent
A plug for a threaded opening in an oil pan or other fluid container. The plug has a cylindrical midportion and upper and lower threaded portions at each end of the midportion. The midportion has a...
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5333837 |
Valve plug
This invention relates to the field of detecting leaks in valves and fluid system accumulation downstream of the valve. Specifically, the invention relates to a threaded valve plug containing a...
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5249696 |
Manual relief gas vent
A drum lid for a ventable drum has a depression formed in the surface of the lid. A vent valve is placed in the depression and extends through the lid. The valve has a valve outlet which opens into...
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5246201 |
Orifice assembly for gas metering device
An orifice assembly for use in sealed fluid connection between a gas inlet and gas outlet in a gas flow meter includes a rotor positioned for rotatable movement in fluid connection with both the...
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5226451 |
Flow selector valve
A flow selector valve is described in which a valve housing with a central bore is provided. The housing includes a plurality of axially spaced discharge openings and an intake opening openly...
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5120020 |
Valve with flush action
An improved valve stem for a valve assembly is provided wherein the valve stem has an external threaded area engaging an internal threaded area of a valve housing for the valve assembly. At least...
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4986502 |
Safety drain plug
A drain plug for threaded engagement within a threaded drain opening of a pressurized system to prevent complete removal of the plug before release of any residual pressure within the system. An...
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4955406 |
Connector for water pipes
A connector for establishing a communication between an existing water pipe and an additional conduit has a clamp arranged to clamp an existing water pipe and including a clamp housing and clamping...
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4905863 |
Vent for portable gas tank or the like
An improvement in manually operable vents includes a pair of barbs positioned on the end of a leg attached to a vent screw. A vent body is formed with a retaining well on its underside facing the...
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4834140 |
Brake bleeder valve
A brake bleeder valve includes a spring biased ball check valve which allows bleeding of brake wheel cylinders by a single individual. The brake bleeder valve has an elongated generally cylindrical...
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4815566 |
Drain valve and system
A drain valve and drain system which includes a gravity drain valve which can be readily installed with common tools, a hose connected to the valve and a drained fluid reservoir. Valve actuation is...
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4809735 |
Valve and tapping tee apparatus and method
Apparatus and method for tapping a tubular member includes a split ring type clamp arrangement having a tapping tee assembly extending therefrom. The clamp arrangement includes a combination...
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4752031 |
Bubbler assembly
A bubbler includes two molded plastic parts, a main body portion with an internally threaded upper chamber terminating in a valve seat, and a hollow cap with a downwardly extending externally...
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4732589 |
Flow regulating valve for use in an air scrubbing device
A water control valve in a wet air scrubbing device to discharge and direct water flow within the scrubber. The valve is composed of a conical valve body made of polyurethane and a fluid discharge...
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4718636 |
Branch coupling on flexible hose
Purge branch coupling for a main flexible hose, reinforced or not, sheathed or unsheathed, of the type having the shape of a tubular insert which is intended to co-operate with a closure piece of...
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4511119 |
Adjustable valve assembly
A vapor introduction system having an internal combustion engine which has an exhaust gas blow by hose connected to the intake of the engine. A fitting having a flexible hose is mounted on the cap...
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4487392 |
Radiator vent valve
A vent valve for steam radiators fired by intermittent furnaces is disclosed. The valve includes a conduit with two portions. Two blocking rods form constricted areas within the two portions to...
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4470577 |
Corrosion resistant bleeder screw arrangement
A bleeder arrangement for a hydraulic system of the type used in vehicle brakes. It includes a bleeder screw and bleeder passage construction which completely protects the bleeder screw threads...
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4418888 |
Angle cock valve
The angle cock valve has all plastic parts to prevent galvanic corrosion when used in hot water tanks and the like. The valve includes a valve body, a valve stem and a stem retainer. The valve body...
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4383548 |
Evacuating-charging valve assembly
An evacuating-charging valve assembly consisting of a valve permanently mtable onto a fluid system such as an air conditioning system and a connecting head temporarily attachable to the valve. Two...
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4369810 |
Radiator vent valve
A vent valve (10) is disclosed. The valve (10) is comprised of a conduit (12), a cap (14), a nut (16) a bolt (18) and a coupling (20). The coupling (20) connects with a conduit (12) to a radiator...
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4239057 |
Pressure control valve
A control valve is provided which is adapted to be connected between a pressure source, such as vacuum pump, and a pressure vessel so as to control the pressure in the vessel. The valve comprises a...
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4176674 |
Faucet replacement valve stem assembly
A replacement valve stem assembly for a faucet in the form of an internally and externally threaded sleeve extending through and secured by nuts to the faucet cap and a threaded valve stem engaging...
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4146207 |
Metering drain plug
An engine oil pan having a threaded drain opening sealed by a removable plug. An auxiliary passage is formed in the plug, whereby the plug can be partially unscrewed from the drain opening to...
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4037584 |
Stove damper assembly
A stove damper is adjustably supported on a stationary shaft secured to a stove door or wall. Front and rear recesses in the damper are defined by annular walls radially spaced from the damper...
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4022243 |
Frost proof sillcock
A frost proof sillcock having an outer section with a fluid chamber therein and a discharge opening, a round tubular body connected to the external section and communicating with the chamber, and a...
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3910572 |
Hand exerciser with adjustable valve
A hand exerciser comprising a flexible, compressible, hollow bulb of rubber or like material and of a size which can be conveniently held in the hand and squeezed from a normally expanded to a...
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3866879 |
WATER LEAK VALVE
A water leak valve adapted for use in a surface irrigation pipe comprising a member including internal threads communicating with the bore of said pipe, a valve comprising first and second sections...
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3840209 |
FLOW CONTROLLING DEVICES
A rate-of-flow control device for fluids consists of a tubular body of elastically deformable material and a screw having a sharp-peaked thread screw into the tube to a variable extent for the...
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3827596 |
COOKWARE COVER RELEASE VALVE
A cookware cover release valve is provided in a cover for a cookware utensil. The cover has a centered recessed well and an air inlet opening therein with a gasket encompassing the opening. A plate...
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3552421 |
SINGLE TRIP VALVE APPARATUS
The application discloses valve apparatus suitable for, but not limited to use upon one trip, throw away fluid containers. A valve body is fitted to the container and has a bore with a port in the...
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