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8171916 |
Fuel supply systems
A fuel supply system includes a fuel pump for supplying fuel in a fuel tank to an engine, a pressure regulator and a three-way valve disposed in a valve chamber. The pressure regulator includes a...
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8011363 |
Exhalation valve for use in a breathing device
An underwater breathing device, such as a snorkel, may include an exhalation valve. The exhalation valve is configured to produce positive end-expiratory pressure in the airway of a user of the...
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7997297 |
System and method for performing a chemical experiment
The invention relates to a system for performing parallel chemical experiments. The system comprises an array of parallel flow through reactors each comprising a reaction chamber, a reactor inlet...
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7833476 |
Flamer fuel pressure control
A flamer may be used to sterilize poultry litter, soil, concrete, etc. The stationary or mobile flamer disclosed comprises a hood to contain the heat, an external frame, and burners. A fuel tank...
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7828010 |
Pressure regulator for a fuel supply unit and method for production of a pressure regulator
Disclosed is a pressure regulator for a fuel supply unit of a motor vehicle and method for production of a pressure regulator. The pressure regulator comprises a valve for producing a joining of a...
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7819276 |
Valve device for a drinking container and a method for using the valve device
A method and device for controlling the flow of liquid from drinking containers, wherein a membrane is movably connected to a valve to form a valve, controlled by negative pressure, for liquid from...
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7699072 |
Device for regulating the delivery pressure of combustible gases
A device for regulating the delivery pressure of gases includes a valve unit having at least one valve seat and a respective closure element displaceable along an axis with respect to the valve...
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7673650 |
Sensitive fluid balancing relief valve
A pressure regulating valve comprising a diaphragm for control of process pressure is provided. The diaphragm has a reference pressure on a first side and a process pressure on a second side. The...
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7565914 |
Control stop and flushing system
A control stop for a flush valve for a urinal or toilet fixture includes a housing defining a flow chamber divided by a valve seat into inlet and outlet sections. A valve structure is biased toward...
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7537133 |
Valve device for a drinking container and a method for using the valve device
A method and device for controlling the flow of liquid from drinking containers, wherein a membrane (12) is movably connected to a valve (50) to form a valve, controlled by negative pressure, for...
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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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7347206 |
Control group of a second-stage regulator for scuba divers
A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a...
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7331345 |
Demand regulator protective bellows
A self contained breathing apparatus (SCBA) served by a source of breathing gas with a mask and a demand regulator connected to the mask. The regulator has a flexible diaphragmatic member having a...
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7131457 |
Flow-through pressure regulator including a perforated diaphragm-to-seat spring retainer
A flow-through pressure regulator includes a retainer that secures a diaphragm relative to a seat, and includes a cylindrical portion, an axial end portion and an annular portion. The cylindrical...
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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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7063104 |
Flow-through pressure regulator including a closure member assembly integrated with a housing
A flow-through pressure regulator includes a divider, a closure member and a housing. The divider separates a first chamber from a second chamber, and includes a passage that provides fluid...
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7040344 |
Pressure regulator including a fixed valve ball and method of assembling the same
A pressure regulator includes a housing, a divider, and a valve. The housing includes an inlet and an outlet. The divider separates the housing into a first chamber and a second chamber. And the...
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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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6945277 |
Underpressure valve
The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the...
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6942787 |
Filter module with pressure regulator
A filter module for an automotive fuel supply system includes a housing, a filter mounted in the housing, a pressure regulator conduit mounted in the housing, and a pressure regulator. The housing...
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6941962 |
Convertible control device capable of regulating fluid pressure for multiple fluid types and associated method of use
A pressure control device and associated method of use capable of regulating fluid pressure for multiple fluid types. The pressure control device includes a fluid sensing port, a pressure...
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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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6901964 |
Vehicle fuel pulse damper
A fuel pressure pulse damper includes metallic damper body defining a chamber in which a flexible diaphragm is received in a manner to dampen fuel pressure pulses between a fuel pump and fuel...
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6895996 |
Fuel pressure regulator having offset head and orifice axes
A fuel pressure regulator including a valve head having a centerline offset from the centerline of a corresponding fuel orifice. The valve head may be offset with respect to the valve seat and...
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6886590 |
Seal assembly for fuel pressure regulator
A pressure regulation assembly of a fuel supply includes a receptacle, an inlet connectable to the fuel supply and in fluid communication with the receptacle, an outlet in fluid communication with...
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6863083 |
Vacuum demand flow valve
A valve is disclosed for dispensing a flowable material. The valve has a first chamber (40) at a first pressure wherein said first chamber (40) defines an outlet (28) in communication with said...
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6843232 |
Positive stop diaphragm assembly for fuel pressure regulator
A fuel pressure regulator for use with an internal combustion engine includes a housing, a valve assembly in the housing, an elastic diaphragm connecting the valve assembly to the housing, a stop...
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6834673 |
Pump module with pressure regulator
A pump module for mounting in a fuel tank of an automotive fuel supply system includes a housing, a fuel pump mounted in the housing, a pressure regulator conduit mounted in the housing, and a...
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6792969 |
Pressure regulator
A pressure regulator has a closing member which controls a pressure-medium inlet and on which is supported a valve spring arranged in a spring can. The spring can includes a casing part and of a...
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6789569 |
Pressure relief valve with a spring-loaded membrane closing body
The pressure relief valve has a spring pressure-loaded diaphragm closing body (13), which in the closed position sealingly engages on a centrally positioned valve seating surface (10) surrounding a...
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6786227 |
System and method including a fuel tank isolation valve
A valve, system, and method for controlling evaporative emissions of a volatile fuel. The system includes a fuel vapor collection canister, an isolation valve, and a fuel tank. The isolation valve...
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6782871 |
Fuel system including a flow-through pressure regulator
A flow-through pressure regulator includes a retainer that secures a diaphragm relative to a seat, and includes a cylindrical portion, an axial end portion and an annular portion. The cylindrical...
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6752170 |
Fuel pressure regulating valve
There is disclosed a pressure regulating valve which effectively reduces a noise of a fuel pressure regulating valve without relation to a flow amount of a fuel. In this valve, a flow collision...
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6748964 |
Flow-through pressure regulator self-contained valve assembly
The present invention provides a flow-through pressure regulator which is self-contained. The flow-through pressure regulator includes a housing having an inlet and an outlet offset along an axis....
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6695005 |
Pressure regulating valve
A pressure regulating valve for controlling an upstream fluid pressure in relation to a reference pressure by regulating the fluid quantity let through the valve, comprising a housing (1) having an...
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6688322 |
Apparatus and method for sealing a fuel component in a fuel communication passage
A fuel component assembly having a fuel component disposed between a base and a cover, which prevent fluid communication to an exterior thereof. The fuel component defines at least one aperture,...
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6684865 |
Pressure control valve with pressurized membrane
A pressure control valve with a pressurized membrane (5) for closing and opening a gas passage (7) in which a valve chamber (8) pressurized with an ambient pressure (Pamb) is located on the side of...
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6629543 |
Fuel system including a self-contained flow-through pressure regulator
The present invention provides a fuel system for an internal combustion engine powered by fuel that includes a fuel tank having a wall defining a volume. The fuel system also includes a pump that...
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6581631 |
Device with a diaphragm arrangement
A device with a diaphragm arrangement dividing two chambers from one another, in which the diaphragm arrangement is retained via a crimped connection, excellent restraint of the diaphragm...
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6574813 |
Air fluidized bed
A pilot operated check valve is configured to be positioned inside a fluid supply tube connected between an air supply manifold and an air zone located on a support surface of abed. The pilot...
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6536466 |
Pressure regulator apparatus
A pressure regulator apparatus is provided which includes a regulator body having an inlet, an outlet and a passage communicating there between. The pressure regulator apparatus includes a valve...
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6481418 |
Fuel pressure regulator
A fuel pressure regulator for supplying fuel to the intake of an internal combustion engine at a substantially constant pressure. The fuel pressure regulator includes a housing defining a fuel...
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6422265 |
Valve seat for fuel pressure regulator
A valve seat for a fuel pressure regulator includes a valve body adapted to be disposed in the fuel pressure regulator and a passageway extending axially through the valve body. The passageway is...
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6405722 |
Single stage regulator and method for regulating compressed air therefor
A single stage regulator is disclosed wherein a piston-type configuration is utilized to regulate an input working pressure as high as 4,500 PSI, to an output delivery pressure from 200 PSI to 1100...
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6374855 |
Diaphragm valve
A diaphragm valve for the water intake in irrigation systems or similar comprises a hollow body having a port to connect a hydraulic or pneumatic system to the interior of the body of the valve and...
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6341760 |
Metering devices
In a rotary metering valve, a metering block is located in a chamber having a plurality of outlets. The metering block is connectable to a fluid supply and has an outlet selector rotatable to...
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6332476 |
Pressure level control device
A pressure level monitoring device includes a housing (10) and a switching unit (12) that is embodied on the housing (10) and protrudes into the inside of the housing. A first membrane (14) divides...
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6311949 |
Apparatus for operating water gate
An apparatus for operating a water gate has a door of the water gate provided in a water channel, and has a mechanism for vertically operating the door. A pressure receiving plate is fixed to the...
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6240943 |
Method and apparatus for maintaining a constant ratio of gases in a mixture subject to steady state and intermittent flow conditions
The present invention reveals a gas mixing device which maintains constant gas ratios under both steady state and intermittent flow conditions, and reduces mixture errors inherent with multiple...
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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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