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6273117 Pressure regulator  
A device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsive to...
6257275 Pressure reducing valve  
A pressure regulator for breathing apparatus controlled by a diaphragm, piston or bellows having one face exposed to a reference pressure which is automatically maintained at a level substantially...
6253708 Remote controlled drinker system and drinker line control valve  
A poultry drinker system includes a number of drinker runs each including a selector valve, a drinker line control valve and a drinker line having a plurality of drinkers. The selector valve...
6240956 Remote controlled drinker system  
A poultry drinker system includes a number of drinker lines each supplied from a common high pressure water supply through a water pressure regulator. Each regulator includes a reference spring...
6240951 Inflation system and valve for use therein  
A valve for use in an inflation system wherein the valve has a spring regulated piston which regulates the flow rate through the valve into the inflatable member, such that if the flow rate gets...
6237624 Seat valve  
A seat valve for regulating hydraulic pressure to an adjustable value comprises: a valve seat located between a first chamber having not regulated high pressure and a second chamber having said...
6227238 Valve providing pressure differential proportional to downstream pressure  
An apparatus for providing a hydraulic pressure differential proportional to a downstream pressure. The apparatus includes a first chamber having a first cross section area, a main chamber portion,...
6227231 Pressure/flow rate control valve  
Disclosed is a pressure/flow rate control valve comprising a pressure-adjusting section having a valve plug for reducing the pressure of a pressure fluid flowing through a clearance between a hole...
6209578 Constant flow valve  
A regulating valve is disclosed for controlling the flow of fluid from a variable pressure fluid supply. The valve includes a diaphragm which is resiliently biased into a normally closed position,...
6202682 Pressure regulator with selector control  
A pressure regulator for supplying water to a poultry watering system or the like includes a control assembly for operating the pressure regulator in a normal or "on" mode, an off mode or a flush...
6192925 Flow regulator for water pump  
A flow regulator for a water pump, working in conjunction with a water pump, having a pump, an inlet pipe, an outlet pipe with a water pressure, and a container. The flow regulator comprises: a...
6186168 Pressure Regulator  
A regulator for regulating outlet pressure of a fluid contained in a tank includes first and second pistons. The first piston is biased in a first direction and is movable against the bias when...
6179226 High pressure cleaning device having suds cleaning efficacy  
The present invention relates to a high pressure cleaning device having suds cleaning efficacy comprising a control body, containing a Venturi tube seat at the interior thereof, connected to the...
6176256 Gas pressure-reducing valve  
A gas pressure-reducing valve in which a valve member to be seated on a valve seat having a valve hole opened at its central portion and leading to a pressure-reducing chamber between a body and a...
6173735 Method and apparatus for regulating gas flow  
A pilot-operated, pressure-loaded, movable diaphragm-type gas-flow regulator valve is shown which is used in flow control applications. A regulator body internal port arrangement interconnects two...
6170519 Pressure regulator  
A pressure regulator for controlling the delivery of gas from a high pressure source to a low pressure device. The pressure regulator includes a distribution body and a pressure adjusting...
6170507 Gas valve with natural/LP gas conversion capability  
A convertible two-mode pressure regulator in which a main valve regulates fluid flow between an inlet and an outlet in response to a control pressure produced by a mechanically operated regulator...
6167905 Diaphragm-type gas pressure regulator with drop-in valve subassembly  
A diaphragm-type gas pressure regulator wherein the valve subassembly is constructed as a drop-in unit. The valve subassembly includes a diaphragm lever and a plunger valve. A seat disk is inserted...
6161573 Air pressure regulator  
The present invention relates to an air pressure regulator, characterized in that a regulator made of a piston body connected with a return spring is disposed at the top of a main body, wherein the...
6158457 Gas pressure control apparatus  
A gas pressure reduction apparatus has a high pressure inlet port and low pressure outlet port. A spring-biased piston is operatively interposed between the inlet and outlet ports. The apparatus...
6155290 Gas pressure-reducing valve  
A gas pressure-reducing valve in which a valve member to be seated on a valve seat opened at its central portion with a valve hole leading to a pressure-reducing chamber between a body and a...
6131825 Spray paint gun air stabilizing structure  
A spray paint gun air stabilizing structure comprised in sequence of a connector, a valve, a shouldered tube, a spring and a piston. Wherein, the shouldered tube is provided inside the connector to...
6131595 Automatic back water valve system  
A valve body is formed in two half sections which are secured together to define a water passage and to confine therebetween a thin gate valve blade for movement between a lower open position and...
6089259 Compact gas pressure regulator  
A compact, gas pressure regulator makes use of a substantially disc-shaped member which is biased within the regulator by one or more spring members exerting forces on the disc-shaped member at...
6082396 Compressed gas regulator with flow control and internal gauge  
A compressed gas regulator with integral flow meter is disclosed. The regulator includes pressure reducing section and a flow control section, as well as, a Bourdon tube gauge disposed within the...
6079434 Propane regulator with a balanced valve  
The invention relates to a pressure regulator for propane and liquefied petroleum with a balanced valve. An inlet port (10) receives supply pressure and an outlet port (14) receives output...
6076549 Pressure control device  
Pressure control device, characterized in that it comprises, in combination with valve means having an open and a closed position and urged to said closed position by a pressure thrust, elastic...
6073649 Adjustable flow limiter  
An adjustable flow limiter for adjustably limiting flow, for example through the vent of a diaphragm-type fluid flow regulator. The adjustable flow limiter has a housing with a compartment therein,...
6062258 Gas pressure regulator having burn-out protection system  
A gas pressure reducing regulator which includes a flexible diaphragm which is biased by a spring so as to control the opening of the valve of the regulator and thus the delivery pressure of the...
6062245 Gaseous fuel burner manifold with integral pressure regulator assembly  
An integral gas burner manifold and pressure regulator with an inlet fitting received through one wall of the manifold and threadedly engaging in the manifold a regulator body received through a...
6056009 Fluid pressure regulator  
A "returnless" fuel system for a motor vehicle is disclosed. A "series-pass" fuel regulator in the system includes an internal fluid passage containing a fluted pin and having a valve seat at one...
6056008 Intelligent pressure regulator  
An intelligent pressure regulator for maintaining a fluid in a process at a predetermined pressure includes an electronic controller which enhances regulator performance and provides...
6056006 Piston pressure regulator  
A piston pressure regulator has a body, a corresponding piston, and a floating seal. The body includes an interior piston cavity, a low pressure port connected with the piston cavity, and a high...
6053192 Low operating force pressure regulator  
A set point of a pressure output of a pressure regulator (12) is adjustable without having to overcome a biasing force to selectively adjust the set point of the pressure output. The regulator...
6050973 Pressure limiting device  
An apparatus for limiting the pressure of inflation fluid injected into one or more balloon of a catheter device comprising a reservoir chamber having an inlet port coupled in fluid communication...
6047728 Spring loaded bellows regulator  
6047727 Valve assembly for gas cylinder and pressure reducing valve used therefor  
A stop valve (7) and a pressure reducing valve (8) are arranged in series with each other within a housing (3). A first check valve (11) is arranged in a gas charging passage (10) provided in...
6042368 Appliance for burning a combustible gas, and method of burning such a gas  
An appliance for burning a combustible gas, for example a liquefied petroleum gas. The appliance includes a relatively massive metal body forming a heat sink, in which there is formed a passage for...
6041762 Control module for natural gas fuel supply for a vehicle  
The controls for controlling the supply of natural gas fuel for a vehicle are integrated together in a module which is located at the gas tank. Such controls include a high pressure regulator for...
6039071 Valve seal mechanism  
When a valve body of a pressure-reducing valve is displaced in the direction indicated by the arrow B, a seal pad of a valve seal mechanism on the valve body abuts against a ridge on a seat, which...
6026850 Pressure regulating valve  
A pressure regulating valve adapted to be interposed between a pressurized liquid supply whose pressure varies and a spray nozzle or other liquid applicator from which the liquid is discharged. The...
6026849 High pressure regulated flow controller  
A flow regulator having a first and second stages of regulation. The first stage is a pressure regulation stage that maintains the pressure within an intermediate chamber (formed by a series of...
6024117 Valve guide structure  
A recess and another recess having an enlarged diameter with respect to the recess are defined in a main body, wherein a valve guide body is inserted into the recess. Projections of the valve guide...
6019121 Pressure reducing valve  
6009900 Gas fitting  
The gas fitting contains a supply-pressure shut-off element, a pressure regulator and a pressure gage for the pressure indication in a row, the supply-pressure shut-off element and the pressure...
6006780 Two-stage, warm-gas high pressure regulator  
A pneumatic regulating valve that operates on high-temperature, high-pressure gases. This invention reduces the upstream pressure of a flow of gas, which can be as high as 10,000 psia, down to a...
6003545 Gas flow control device for high purity, highly corrosive gas service  
A gas flow control device is provided in which a regulator body has an inlet bore and an outlet bore extending therein, into which inlet and outlet sleeves having highly polished inner surfaces are...
5996625 Assembly for controlling and dispensing gas for a container of pressurized gas  
The assembly includes a body in which there is formed a bore (3) for letting in gas under pressure, containing an isolation valve (4) exposed to the gas under pressure, at least one pressure...
5996617 Low pressure regulator  
A two stage gas pressure regulator with a body housing having a gas inlet and a gas outlet, and a common interior wall dividing the body housing into two chambers forming two pressure reducing...
5988215 Fluid control assembly  
A fluid control assembly that includes fluid valving, fluid regulation, automatic safety shut-off valving and manual shut-off valving in one assembly, a novel fluid control unit that integrates the...