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Document Title |
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7591281 |
Electromagnetic valve
In an electromagnetic valve, a valve member is slidably installed in a housing to open and close a valve hole. A moving core is slidably installed in the housing, and a coil generates a...
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7523762 |
Modulating gas valves and systems
Modulating gas valves and systems for modulating gas flow to gas-fired appliances are disclosed. An illustrative modulating gas valve can include at least one main valve adapted to regulate the...
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7438660 |
Pressure regulator valve with boost feature
A pressure regulator valve is provided having a valve spool slidably disposed within a stepped bore defined by a valve body. A first pressure responsive surface area is defined on the valve spool...
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7343929 |
Pressure regulator incorporating a pressure balanced moving seat
An adjustable pressure control valve includes a body having an inlet port and an outlet port and a handle assembly having a threaded portion and an adjustment knob. A seat assembly disposed within...
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7326266 |
Coalescing type filter apparatus and method
A coalescing type gas filter includes a filtering element enclosed in an inner chamber which is housed in an outer chamber and a drain device to simultaneously drain accumulated liquid in both the...
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7320333 |
Compact field adjustable pressure reducing valve
A pressure reducing valve for coupling to a pressurized water supply line includes a valve body with an inlet for coupling to the pressurized water supply line, an outlet, a passage extending...
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7264017 |
Dual-actuator aircraft environmental control system valve
A regulator valve includes dual actuators that operate according to different principles to position a valve element to either an open or a closed position. One actuator, which is an...
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7255127 |
Vacuum regulator and intermittent flow device
A vacuum regulator and intermittent flow device are disclosed. Vacuum regulation is achieved via spring forces acting on a movable piston-tube assembly disposed within a regulator body having a...
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7255126 |
Sanitary liquid pressure regulator
A liquid pressure reducing regulator having a pressure receiving means in liquid communication with the liquid inlet passage, upon which a liquid in the liquid inlet passage can exert a balancing...
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7252502 |
Method and system for combined standing pilot safety and temperature setting
The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a manual pilot valve and an automatic...
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7219689 |
Automatically flushing water regulator for animal watering systems
A water pressure regulator for a watering system of an animal house is provided with a water inlet member comprising a watering path and a flush path. The watering path is operably engaged by the...
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7207348 |
Machine comprising a safety valve for the supply of pressurised fluid
The safety valve comprises a body and an obturator movable in the body between a closed position (FIG. 2 ) and an open position (FIG. 3 ). It also comprises means for displacing the obturator in...
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7198060 |
Pressure relieving coupler manifold with internal velocity fuse
A decompression valve assembly is normally open thereby allowing thermal pressure build-up in an auxiliary circuit to be dissipated via a bleed path. During operation, the bleed path is sealed by a...
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7104282 |
Two stage solenoid control valve
A two stage solenoid control valve is described. The control valve opens and closes using a single source of pressurized fluid. This source of pressurized fluid may be transmitted through the...
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7080656 |
Variable vent diffuser
A diffuser apparatus for variably controlling fluid pressure release is provided. The diffuser apparatus includes an aperture for pressure release and an adjustable plug that can variably expose...
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7066203 |
Gas flow control
Gas flow control is addressed using a controllable approach that facilitates safe operation. According to an example embodiment, a control arrangement for gas flow comprises two main valves...
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7040301 |
Fuel system with integrated pressure management
A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel...
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7028706 |
Gas decompression device for fuel cell system
A decompression valve incorporated in a gas decompression device valve of fuel cell system is divided into a measuring room and a back pressure room by a diaphragm. A valve seat and a valve body...
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7025084 |
Integrated pressure management system for a fuel system
An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the head space in a fuel...
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7007713 |
Pressure control apparatus
The present invention provides a pressure control apparatus for controlling the pressure at an output port without reducing the effective sectional area by controlling a main valve through the...
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6986362 |
Pilot operated relief valve
Disclosed is a pilot operated relief valve, in which a balance system is provided to offset a tank pressure exerted on a piston, so that a setting pressure of a pilot poppet is not changed even...
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6978798 |
Gas flow control
An approach for gas flow control is achieved with an arrangement involving a sealed housing with relatively few components. According to an example embodiment, a gas flow controller comprises a gas...
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6971402 |
Liquid control valve
In order to achieve an object to provide a liquid control valve of normally close valve type which has both of an outflow side pressure automatic regulating function and a water stop function, the...
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6923205 |
Pressure regulator and shut-off valve
A normally closed regulator valve for controlling the pressure of flowing fluid and also for selectively fully enabling or stopping the flow. The regulator valve includes a valve housing having an...
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6923204 |
Diaphragm-operated fluid flow control valve providing a plurality of flow levels
A fluid flow control valve uses a servo valve to control the pressure in a main diaphragm chamber defined by a main diaphragm. The main diaphragm carries a main valve element that assumes either a...
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6840232 |
Fluid flow through an integrated pressure management apparatus
An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel...
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6837256 |
Filler tube mounted fuel tank refueling valve
A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The...
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6832625 |
Electrically operable valve assembly having an integral pressure regulator
An electrically operable valve assembly having an integral pressure regulator provides ease of installation and compact packaging for a water supply control system. The valve assembly is...
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6758238 |
Combined pressure regulator and shut-off valve
A regulator valve has a housing with a seal member therein. First and second plungers are movable in the housing toward and away from the seal member. The plungers are sealed to the housing and...
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6701901 |
Connection between an integrated pressure management apparatus and a vapor collection canister
An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel...
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6622743 |
Surge prevention device
A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure oxygen cylinder and a medical...
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6619325 |
Hydraulic hybrid accumulator shut-off valve
A hydraulic accumulator is equipped with a novel shut-off valve. The shut off-valve includes a valve body having a cylindrical hollow with a valve seat surrounding one end. The main piston...
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6619309 |
Exhaust cart excess flow valve with linear actuator
An excess flow valve includes a linear actuator that effectively isolates a defective CRT from others under preparation when the defective CRT causes the vacuum drawn on the exhaust cart to be...
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6575189 |
Automatic valve
An automatic valve includes a housing having an inlet passage and a passage to outlet, a linearly movable shaft disposed in the housing having two stops separated by a predetermined distance, a...
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6535827 |
Method and apparatus for detecting and isolating a rupture in fluid distribution system
Rupture path logic methods of detecting, locating and isolating ruptures within a fluid piping system are disclosed, wherein a rupture within a piping system can be detected and isolated based...
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6484743 |
Flow control assembly
Assemblies for control of fluid flow are described. The assemblies permit angular adjustment of resilient biasing mechanisms through translation of one of their ends along the assembly exteriors....
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6478045 |
Solenoid for an integrated pressure management apparatus
An integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel...
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6474314 |
Fuel system with intergrated pressure management
A fuel system supplying fuel to an internal combustion engine of a vehicle. The fuel system includes an integrated pressure management system managing pressure and detecting leaks in the fuel...
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6470908 |
Pressure operable device for an integrated pressure management apparatus
A pressure operable device for an integrated pressure management apparatus. The pressure operable device includes a poppet moving between a first configuration permitting fluid communication...
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6415815 |
Pressure relief valve
A pressure relief valve for relieving excess pressure in a fluid distribution system comprising a valve body having an inlet port and an outlet port in communication with an interior of the valve...
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6378551 |
Lantern with improved choke and regulator
A gas operated lantern includes a regulator having a simple mechanism allowing a user to start or stop the flow of gas through the regulator. The regulator preferably exhausts an air/gas mixture in...
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6308730 |
Gas stream monitor
A gas stream monitor shall be provided that facilitates the adjustment of the reseat flow. The gas stream monitor consists of a gas-tight casing whose interior is equipped with a seat for a reseat...
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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...
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6199582 |
Flow control valve
The flow control valve (10) has a body (11) and a valve mechanism (40). The body defines a chamber (20). The chamber involves an inlet (12) for receiving fluid to control, a valve seat (16) for...
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6142177 |
Agricultural ammonia tool bar throttle valve
A simple ammonia tool bar throttle valve is disclosed which is primarily for use with those systems which will utilize a stripper pump unit to increase the ammonia system pressure prior to the...
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6131606 |
Moving check valve seat providing high pressure relief
A fluid control device is disclosed which is capable of permitting flow through the fluid control device in response to a control signal and in response to a predetermined high pressure. The fluid...
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6082393 |
Emergency shutoff valve exerciser for steam turbine and methods for installing and operating same
An apparatus for exercising an emergency shutoff valve of a steam turbine and methods for installing and operating the same. A frame of the apparatus mounts on top of an emergency shutoff valve...
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6050292 |
Absolute pressure regulator valve assembly
An absolute pressure regulator valve assembly for controlling the absolute pressure (P C ) of a fluid source. The absolute pressure regulator valve assembly includes a hollow housing having an...
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6036446 |
Fluid transfer with concurrent system movement for liquid and vacuum
A portable system of inter-connected smaller and larger canisters for near simultaneous vacuum and liquid transfer free from any external power. Captured vacuum in the canisters is employed for...
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6024120 |
Pressure relief valve with moving diaphragm
A valve for relieving an excess negative pressure condition inside a medical device comprising a diaphragm with an inner periphery and an outer periphery and an actuator having a piston extending...
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