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4738275 |
Cartridge puller for hot and cold water mixing valve
A quick, lightweight cartridge puller for hot and cold water mixing valves operates to provide an increased mechanical force advantage while applying opposed relative forces between a valve...
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4729543 |
Valve
A fluid-supply valve comprises a fluid inlet passage; an intermediate fluid chamber of greater volume than this passage; an fluid outlet from the chamber; and a device for closing off the inlet...
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4725039 |
Self-pressure regulating proportional valve
A fluid flow control proportional valve having structure for providing mounting therein of any one of a plurality of different solenoid coils having different electrochemical characteristics for...
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4712574 |
Vacuum-breaking valve for pressurized fluid lines
For use in pressurized fluid lines, an anti-siphon and back-flow prevention valve. A conduit is tapped into the line upstream of an outlet terminating in a ball-shaped housing. The housing receives...
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4711265 |
Spring and washer device
A combination spring and washer device which facilitates pin-type cantilever mounting of a solenoid valve having a tubular plastic body on a transmission control valve body. The plastic body of the...
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4706705 |
Check valve
A miniaturized check valve comprises a generally tubular body including a cylindrical base and a guide sleeve of reduced diameter which axially extends from the base. The body forms a an interior...
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4697787 |
Ball valve made entirely of plastics material
A ball valve made entirely of plastics material comprising a tubular casing with connection pieces which are fastened to both its ends and which together form a through passage for a medium, a ball...
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4678123 |
Spray nozzle for a liquid atomizer
A spray nozzle for manually operated liquid atomizer comprises a valve pin forming a normally closed check valve and biased by a resetting spring so that a head portion thereof is biased toward a...
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4664152 |
Flow control valve with replaceable cartridge subassembly having multi-tubular construction
A flow control valve includes an outer housing with a central bore in communication with pressure, return and working ports in the housing, and an inner cartridge subassembly disposed in the...
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RE32409 |
Valve assembly
A wafer-type valve for securing between two flange fittings comprises a valve body having a flowway therethrough, connection formations integrally adjoining the valve body and extending radially...
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4640293 |
Spirometer accessory
A mouthpiece for the inlet tube of a spirometer is formed to engage the inlet end of the tube and has a radially extending part or parts for preventing reverse fitting. An apertured valve seating...
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4622989 |
Check valve retainer
A positive retainer for assuring maintenance of a desired position of a check valve within a flow path within a body. The retainer is a threaded member which engages threads internally disposed...
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4614113 |
Water meter service installation
A water meter service installation including both a water meter and a backflow protection device, both utilizing the same water meter box. The present installation can be retrofitted to existing...
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4614202 |
Fuel distribution valve
A fuel flow distribution valve includes a valve body having a bore with a spring biased pressure responsive valve therein. The valve and an associated valve bore wall include first and second sets...
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4607659 |
Valve with resilient tubes having constricted portions
The valve has flexible resilient tubes which respectively communicate with the fluid supply conduits and which are pinched by control members to control fluid flow. Each tube has a reduced-diameter...
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4606368 |
Ball valve for pipeline
A ball valve assembly comprising: a body providing a socket and flow ports communicating therewith; and a core unit comprising a core assembly adapted to be releasably inserted into said socket,...
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4587990 |
Modular ball valve
A modular valve including an outer housing having a longitudinal bore adapted to be aligned with the pipeline bore of a pipeline and a transverse bore which receives a modular housing assembly...
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4548383 |
Electrically controlled pressure reducing valve
A pressure-reducing valve is secured to a proportional magnet by resiliently connecting the valve sleeve of the valve receiving the piston to the housing of the proportional magnet, thus avoiding...
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4532955 |
Wedge lock valve retainer
The present invention relates to an arrangement for and method of retaining a compressor check valve assembly in a cylinder. Each one of a plurality of wedge segments includes an inner surface, an...
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4532956 |
Solenoid actuated valve blocks for glassware forming machines
A valve block for glassware forming machines is rendered faster and more accurate by substituting, for the pilot air system, a plurality of solenoids directly coupled with the cartridge valves...
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4532958 |
Check valve having replaceable valve assembly
A check valve having improved sealing qualities and provided in the form of a replaceable assembly of a valve member and valve seat to avoid the need to replace the valve housing. The sealing...
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4505289 |
Rupture disc apparatus
A rupture disc apparatus comprises a rupture disc holding cartridge and a fixed receptacle for receiving the cartridge. The receptacle is positioned in a vent so as to communicate on opposite sides...
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4499921 |
Three-way air valve
A three-way air valve whose housing has connection openings for a compressed air power line, a line running to the load and an air let-off opening, the load opening being joined up with the power...
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4493338 |
Washerless faucet
Disclosed is a removable cartridge for a fluid valve which uses a simple O-ring to seal with the housing in which the cartridge is received. The valve comprises a body member having an axial inlet...
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4492249 |
Mounted check valve assembly
A mounted check valve assembly to be installed between two fluid vessels comprises a check valve having a cylindrical body annularly bulged midway, a pipe securely fixed at one end to one of the...
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4485846 |
Four-way valve with integral flow controls, common exhaust, and cartridge type pilot valve
A four way, pilot air operated air valve provided with flow control valves in individual exhaust passages in the valve body of the valve. The exhaust flow control valves are mounted in the valve...
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4474205 |
Sliding blade apparatus for closing conduits
A conduit closure apparatus comprising a main frame adapted for connection to a conduit in a position generally in registry with the conduit, a movable blade slidably mounted in the frame, means...
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4471802 |
Pressure regulator assembly with improved cartridge
An improvement in a pressure regulator including the usual valve body, seat, poppet, adjustable spring having a bottom plate for co-acting with the low pressure diaphragm member. The improvement...
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4471799 |
Line removable ball valve
A valve structure for an undersea pipeline including a valve cartridge received in a cage formed by a pair of thick parallel plates secured together by threaded studs. The studs entered in U-shaped...
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4457333 |
Check valve with relief-valve feature
The invention contemplates a check-valve construction which exhibits substantially elevated resistance to onset of unidirectional flow (i.e., to valve opening), as compared with conventional...
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4444214 |
Replaceable rupture disc cartridge arrangement
A self-sealing and self-positioning replaceable rupture disc cartridge arrangement includes a cartridge receptacle mounted in a pressure relief vent having spaced apart opposite end walls with...
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4437486 |
Line removable valve structure with pipeline support means
A line-removable valve structure comprising a pipeline-supporting cage and a cartridge containing the working valve components. The cage comprises a pair of thick steel end plates connected by...
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4431022 |
Line removable valve structure with extensible seal rings on valve cartridge
A line-removable ball valve including a rigid framework or box with opposing, parallel, thick steel end plates. A valve cartridge with all components carried therein is received between the...
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4425935 |
Snap in valve cartridge for plumbing fixture
A plastic valve cartridge for a plumbing fixture can be installed in and removed from a valve casting without tools. One end of a valve cage has detent means that snaps into a cup of the casting....
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4420010 |
In-line back flow preventer
A device for preventing the back flow of water from a point of use into a water supply line. The device includes a unitary casing having an inlet, a central chamber, an outlet, a removal port and a...
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4407323 |
Cartridge type pilot valve
A three-way normally closed only, pilot air valve for supplying pressurized pilot air to a directional flow control air valve, such as a four-way valve, a three-way valve, a two-way valve or the...
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4403626 |
Valve assembly
A low restriction multiple outlet valve includes a housing having an interior chamber with an inlet opening thereinto, at least two outlets, and a flow directing member. The flow directing member...
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4392510 |
Control valve for viscous material pumps
A control valve for viscous material pumps has a valve plate reciprocally movable in a flat housing divided in half to control the flow channels of the valve. The plate is movable in a wear shell...
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4378817 |
Slide valve assembly
A slide valve for high temperature, high pressure use provides for easy access to internal components for replacement or repair, and also provides for easy and secure adjustment of the valve...
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4313456 |
Universal check valve assembly
A universal check valve assembly is disclosed which fits within an exhaust conduit having any one of a range of diameters and without any modification to the structure of the conduit. The assembly...
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4311167 |
Regulator installation for fluid transmission or distribution systems
A regulator installation, for controlling the pressure and/or flow of gas in a gas transmission or distribution system, comprising a compact module (10) having an inlet (32) and an outlet (33)...
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4296778 |
Anti-backflow valve for sewer traps
An anti-backflow valve for sewer traps or catch basins is adapted to automatically prevent the undesirable backflow of sewer water upwardly through a trap, but provides for the normal downflow of...
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4295412 |
Hose with a one-way valve for a vacuum operated servomotor
A hose with a one-way valve used in a brake actuating system for automobiles. A one-way valve unit is housed in a flexible hose for connecting a booster shell of a servomotor with an intake...
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4286620 |
Combination torch and check valve assembly
A torch combination characterized by a torch handle having a body, barrel and head with at least fuel and oxygen passageways and at least fuel and oxygen valves and an improvement comprising...
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4281680 |
Swing check valve construction
A pipeline swing check valve comprising a fabricated valve body with a fabricated cylindrical hub member welded therein. The clapper is hinged, not to the body, but directly to the hub member or...
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4262692 |
Bell trap and check valve combination
A bell trap and check valve is disclosed. The bell trap has a central tubular member around its outlet and a conventional cover. The check valve is removably attached to the central tubular member...
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4257443 |
Check valve
A poppet located in the opening of an annular seat member for use in a body for forming a check valve. The poppet has a resilient seal for engaging a seat formed in the seat member for forming a...
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4257444 |
Insert check valve or the like
The invention contemplates a particular body construction and assembly for a check valve or the like whereby the entire valve assembly may be readily installed as a unit within the bore of standard...
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4248264 |
Internal mud saver valve
A valve assembly for preventing a column of drilling fluid from spilling out of the lower end of a kelly includes an elongated body which has an axial opening and is threaded at both ends. A cam is...
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4248263 |
Digital fluid flow control apparatus
A core removably fits into an open cavity with an outer casing. The walls of the cavity and the core define an upstream manifold, a downstream manifold, and a planar manifold separating partition...
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