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Document |
Document Title |
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4510965 |
Elastomer coated butterfly valve body
The annular cast body 1 of a butterfly valve is coated both internally and externally, including the butterfly shaft and axle passages 12, 13, with an elastomeric material 2 of the same type and...
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4510966 |
Plug valve with floating stem seal
An improved glandless plug valve of the type in which a tapered plug fits into a tapered bore in a valve body is provided wherein the tapers formed on the plug and in the body coact to form a body...
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4506699 |
Flap for ventilation ducts
The flap for ventilation ducts, particularly for automobile air-conditioning systems, includes a flap member having opposite surfaces with a predetermined number of openings therein, a longitudinal...
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4503878 |
Choke valve
A valve having a body with a valve chamber therein, an inlet into the valve chamber, an outlet from the valve chamber and an opening to the valve chamber aligned with the outlet, a bonnet secured...
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4497335 |
Control valve of exhaust gas recirculation apparatus
A control valve for an exhaust gas recirculation apparatus for leading part of the exhaust gas from an exhaust line to a suction line. This control valve comprises a throttling member provided in...
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4488573 |
Apparatus for preventing thermal damage to a preformed plug during molding of a housing therearound
A rotary plug valve which is of the type comprising a housing formed of a polymer and a rotary plug disposed in a through-passage of the housing. The plug is formed of a polymer and includes a bore...
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4487220 |
Fuel distribution valve with thermal buffer member
A fuel distribution valve assembly is provided with a laminated thermal buffer member between the valve housing and inner valve means to prevent binding of the valve means from thermal effects.
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4482091 |
Temperature sensor
A temperature sensor includes a probe (15) accommodating a charge gas the pressure of which is a function of the temperature thereof, and a number of bellows (65, 75 and 85) or similar pressure...
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4479509 |
Fluid control apparatus
A flow control valve installation having blind holes in internal surfaces. The holes are slanted in the downstream direction and tuned to null one or more frequencies in the noise spectrum for the...
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4473244 |
Freeze resistant hose bib receptacle
A receptacle for installation in exterior walls of a building for removable installation of a freeze resistant hose bib is shown. The receptacle comprises a tubular element having at one end means...
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4460011 |
Sandblasting nozzle and control assembly
A control valve assembly to be assembled with a discharge nozzle of a sandblasting abrasive cleaning system or the like, comprising a valve housing having an elongated valve chamber to be connected...
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4456027 |
Hose bib cover
An open-sided housing constructed of heat insulative material is provided and includes a resilient and compressible seal strip extending about the wall portions of the housing defining the open...
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4449554 |
Universal removable insulation
A universal insulation (10) is the subject of this patent application. The insulation (10) is bifurcated into two portions (16,18) for application to a fitting in a fluid flow or distribution...
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4444006 |
Nozzle/valve device for a ducted rocket motor
A nozzle/valve device for a ducted rocket motor is provided. The nozzle/valve device employs a design in which a nozzle throat blockage element can be moved by translational motion within the...
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4436108 |
Valve assembly
First and second passages extending through a housing communicate between first and second inlets, respectively, and a common outlet. Separately operable valve means selectively control the flow of...
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4429710 |
Slurry gate valve
A slurry gate valve is disclosed for controlling the flow of slurry along a pipeline. The gate valve comprises a cylindrical conduit portion and a gate housing portion. The cylindrical conduit...
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4413646 |
Streamline coal slurry letdown valve
A streamlined coal slurry letdown valve is featured which has a two-piece throat comprised of a seat and seat retainer. The two-piece design allows for easy assembly and disassembly of the valve. A...
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4412554 |
Fire safe expansible tube type valve
An expansible tube type valve wherein a flexible tube, which is sealed around its ends in a valve body, is stretched to seal around a barrier in the flow passage. Thin rings of thermal insulation...
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4399838 |
Heating control cock
A heating cock for a motor vehicle, comprising a cylindrical shell rotatably mounted about its axis in half-casings carrying fluid supply pipes and fluid return pipes, said cock allowing in its...
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4399834 |
Chemically inert control valve
A control valve, the internal wetted working parts of which are made of corrosion resistant material and which are completely enclosed by and easily removed from a steel or stainless steel pressure...
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4397331 |
Fluid flow control valve with maximized noise reduction
The valve includes a perforated cage and a perforated closed end tube operating as two sequential stages of restriction and pressure drop for the fluid flowing through the valve. A movable plug...
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4392509 |
Furnace valve
A furnace valve suitable for use in an electric furnace in the manufacture of mineral fibre comprising a water cooled sleeve provided with a carbonaceous member which is formed with a flow passage...
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4381795 |
Diverter valve construction and method of making same
A diverter valve construction for controlling flow therethrough of a high temperature fluid and method of making same are provided wherein the valve construction comprises a metal housing, a...
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4380246 |
Butterfly valve and method of making same
A butterfly valve for controlling flow therethrough of a high temperature fluid and method of making same are provided wherein such valve comprises an outer metal housing, a ceramic lining carried...
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4380245 |
Antifreeze cover assembly for external faucets
A covering for exterior water faucets provides a cover assembly which is secured to the side of a home, for example, encapsulating the exposed water faucet with means being provided for securing...
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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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4365646 |
Valve assembly
A valve assembly for use in a system carrying radioactive slurry. The valve assembly consists of a valve body with a bore, an inlet and an outlet port communicating with the bore; a valve member...
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4356612 |
Method of producing a forged product
An improved forged steel structure lined with a corrosion resistant metal in which the lining and body are forged together. The improved method includes the steps of securing a bar of corrosion...
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4353389 |
Hot gas valve
A valve arrangement for varying a cross-sectional flow area of hot gases, particularly the fuel-rich gases of a ramjet engine, comprising, a housing, a valve seat defining an intake opening for the...
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4351361 |
Valve with spring gate
A valve which has a gate of springy sheet material pressing at its peripheral region against an endless valve seat when the valve is in a closed position. The endless valve seat has a seating...
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4347865 |
Fabricated gate valves
A gate valve has a hollow substantially T-shaped housing having opposed tubular ends through which a pair of coaxial sleeves extend, the sleeves terminating in the interior of the housing in a pair...
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4346730 |
Valve for abrasive material
A ball valve assembly for controlling the flow of abrasive particulates including an enlarged section at the bore inlet and an enlarged section at the bore outlet. A refractory ceramic annular...
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4338963 |
High temperature gate valve with fused silica blade
A gate valve for controlling the flow of high temperature fluids includes a housing having an opening defining an inlet and an outlet for the fluid. An annular collar surrounding the opening...
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4319737 |
Diaphram valve
A diaphragm valve has a body defining a fluid passageway and, in the wall of the body, an opening in communication with the fluid passageway. A diaphragm for controlling fluid flow through the...
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4316483 |
Valve having wear-prone parts removable through bonnet area
A valve is disclosed in which the wear-prone parts comprised of the valve, guides and valve seat are readily and easily removed through the bonnet area. The guides are maintained in position in the...
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4314580 |
Faucet structure
A freeze-resistant sill cock comprising a housing having an inlet for connection within a house to the water supply of the house, a linear having an outlet tap to extend outside the house, the...
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4311166 |
Valve assembly for use with high temperature and high pressure fluids
The valve assembly for use with high temperature and high pressure fluids has inner and outer spaced shells and a valve actuator support of inner and outer spaced members which are connected at...
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4308805 |
High temperature damper
There is disclosed a damper for controlling the flow of high temperature gases to respective hearth chambers of a multiple hearth furnace, for example, the damper being formed of temperature...
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4306704 |
Self-heated solenoid
A solenoid comprises two coils wound on a common axis and a core within the coils which is supported for movement along the axis. Direct currents are applied substantially continuously to the two...
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4292992 |
Valve for handling solids capable of gas-pressure-tight closure against a gas pressure differential
The valve of the present invention includes an inflatable seal element located in the housing seat and a gas-pressure-purge arrangement. The inflatable seal element is inflated by means of...
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4292993 |
Closure plate for hot blast slide valves
A closure plate for hot blast slide valves of the type having a hollow ring of box-like cross section cooled by running water to whose inner circumference a body is attached by welding, which is...
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4275763 |
Double-slide valve
Disclosed is a double-slide valve for controlling a stream of fluid entrained particulate material. The double-slide valve comprises a valve body forming a closed chamber having an inlet opening,...
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4274436 |
Wafer-type swing check valve construction
A wafer-type swing check valve construction having a metallic housing body provided with an inlet and an outlet interconnected together by a valve seat that is adapted to be opened and closed by...
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4269218 |
Rotary valve
A valve comprises a valve case having a fluid passage and a pair of opposed valve plates turnably disposed on the opposite sides of the fluid passage and each having an abrasion resistant lining...
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4266754 |
Butterfly valve assembly
The invention relates to a butterfly valve assembly having a stationary valve body formed with an axial fluid flow passage opening and a turnable valve member adapted for full opening, partial...
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4261385 |
Cylinder valve
A cylinder valve comprising a hollow cylinder having a cross-passage, for use as a valve element, preferably in high temperature fluid solid service, to block flow. The cylinder is enclosed in a...
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4259981 |
Removable insulated valve cover
An insulated valve cover (2) for use on a non-cylindrical valve (4). Valve cover (2) comprises a plurality of parts (30, 32, and 34) which may be releasably secured together by encircling straps...
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4259980 |
Butterfly valve assembly and method of manufacturing the same
A check valve assembly has a housing, and a throttle valve which includes a throttling disc rotatable in the housing and a spindle connected with the throttling disc for rotating the latter. The...
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4256135 |
High flow lined valve for medical applications
Improved valves for use within medical devices include a valve body having a plurality of fluid-passing openings, a resilient liner having raised portions defining flow paths, and a plug having a...
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4253487 |
Multi-position dual disc slide valve
A slide valve for use in throttling solids flow, preferably including a pair of opposed discs. The valve discs are in bearing contact with the valve seat and effectively will operate with the valve...
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