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8171950 |
Compressed air regulator apparatus situated in canister and method for regulating compressed air thereof
A compressed gas regulator of a piston type is disclosed in which a regulator is configured with an input valve situated entirely inside a compressed air canister, which regulator is then attached...
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8166998 |
Multiple valve assembly for reducing water loss from a leak
A valve assembly for reducing water loss from a leak from a water device. The valve assembly includes a first passage through which water flows from a water source to the water device and a second...
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8161998 |
Frozen/chilled fluid for pipelines and for storage facilities
Methods of, and apparatus for, storing and transporting a hazardous fluid, such as a combustible fuel, include methods and means, respectively, for: (a) treating the fluid to reduce its hazardous...
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8162000 |
Adjustable pneumatic system for a surgical machine
A pneumatic system for a surgical machine includes a reservoir, first and second proportional valves, and a controller. The reservoir holds pressurized gas. The first proportional valve is located...
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8162002 |
Device for controlling the delivery of a combustible gas to a burner apparatus
A device for controlling the delivery of a combustible gas to a burner apparatus is provided including a main gas-delivery duct in which there is at least one servo-assisted diaphragm valve...
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8162287 |
Valve assembly for modulating fuel flow to a gas turbine engine
A valve assembly for modulating fuel flow is disclosed which includes a valve housing having an inlet section and an outlet section, at least one valve rotor disposed between the inlet section and...
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8156961 |
Assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom
The invention relates to an assembly including a pressurized gas storage tank and a control device for filling the tank with gas and/or extracting gas therefrom. The aforementioned tank includes: a...
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8127783 |
Pressure-insensitive mass flow controller
A method of preventing a mass flow controller from participating in crosstalk in an array of mass flow controllers is described. The method includes sensing and providing a signal indicative of a...
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8118049 |
Safety system for fluid conduit
A safety system for a fluid conduit includes an elongated flexible conduit having a first end and a second end and a central opening running therethrough and capable of transporting a first fluid...
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8113231 |
Device for controlling water level
Disclosed herein is a water level controlling device for intercepting the supply of water to the water reservoir of a water purification system. The water level controlling device includes a water...
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8113239 |
Vented valve assembly
In some embodiments, a vented valve assembly for attachment to a rigid container may include one or more of the following features: (a) a unitary tubular valve body of a generally cylindrical...
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8100381 |
Gas regulating and safety valve for burners of a modulatable gas heating device
The invention relates to an integrated gas regulating and safety valve for burners of a modulatable gas heating device. According to the invention, the gas regulating and safety valve comprises a...
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8087428 |
High pressure inlet regulator
A two-stage regulator having a piston situated in a first stage for substantially reducing high pressures introduced into the regulator. The reduced pressure is exerted against the second stage...
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8069877 |
Pressure compensating flush valve with self-cleaning piston
A flush valve according to the present disclosure includes a pressure compensating device for toilet and urinals to ensure consistent flush and bowl refill volumes. Certain flush volume limits may...
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8056156 |
Vacuum relief unit and method for a pool
A vacuum relief unit and method for venting air into a pool pumping system when a pressure level within the system drops below a first pressure level limit. The unit includes a closed air chamber,...
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8042570 |
Steam valve assembly and steam turbine plant
A steam valve assembly has a main-steam stop valve, and a steam control valve connected downstream to the main-steam stop valve via an intermediate flow path. The two valves each has a casing...
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8037899 |
Backflow preventer
A first check valve has a narrow flow path portion (68) formed between an arcuate portion (46) of the outer periphery (45) of a support member and a second enlarged-diameter portion (11) of a...
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8033294 |
Fluid valves having an integral safety shut-off
Fluid valves having an integral safety shut-off are described. An example control valve having opposing seating surfaces includes a first bonnet removably coupled to the control valve. The first...
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8020585 |
Apparatus and method for detecting a leak within a duplex valve assembly
A leak detection system for detecting a leak within a duplex valve assembly is disclosed. The duplex valve assembly includes a first valve, a second valve and an intermediate fluid flow passageway...
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8020383 |
Steam valve and generator set
A steam valve 1 includes: a valve seat 9 being accommodated in a steam flow path of a casing 2 provided with a steam inlet pipe 14 and a steam outlet pipe 15; and a valve body 22, 27 capable of...
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8015991 |
Manifold-type solenoid valve apparatus having stop valve
A plurality of solenoid valves are installed on a valve mount surface of a manifold base to receive a pressure fluid supplied from a supply passage of the manifold base via a supply communication...
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7997301 |
Spout assembly for an electronic faucet
An electronic faucet includes a spout assembly having a sensor configured to control the flow of water therethrough in response to the position of a spray head. Methods and apparatus for providing...
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7985378 |
Flushing in a multiple loop reactor
The present invention discloses multiple loop reactor wherein one of the settling legs transferring polymer product from one loop to a further loop can be taken out of service or re-opened without...
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7942160 |
Valves and pumps for microfluidic systems and method for making microfluidic systems
The present invention relates to microfluidic systems, including valves and pumps for microfluidic systems. The valves of the invention include check valves such as diaphragm valves and flap...
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7905557 |
Brake-pressure modulator pilot unit
A valve control unit including three valve units for two brake channels of an electropneumatic brake system is provided. Each valve unit is embodied as a valve modulator device for a braking...
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7905247 |
Vacuum actuated valve for high capacity storage and delivery systems
The invention relates to a re-configured valve design to accommodate a high volume of product in the delivery system and the dispensation of product upon the application of a predetermined vacuum...
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7861740 |
Digital flow control
A digital flow control assembly for controlling the volumetric flow rate of fluids includes a fluid flow conduit, a plurality of serially-arranged flow nodes positioned along a length of the fluid...
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7798169 |
One-piece gas pressure regulator
A one-piece gas pressure regulator, comprising a main body having a first threaded port at the bottom thereof for a threaded connection with a high-pressure gas bottle. An admission passage is...
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7793685 |
Controlling gas partial pressures for process optimization
Apparatus for establishing and controlling a low pressure gas mixture in a vacuum enclosure (8) comprises at least one secondary pump (9) of the molecular, turbomolecular, or hybrid type, followed...
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7751959 |
Semi-active suspension system with anti-roll for a vehicle
A suspension system includes four electronically controlled actuators, one at each of the four wheels. The actuators are each controlled by an electronic control unit. The left front and right...
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7748407 |
Compressed air regulator apparatus situated in canister and method for regulating compressed air thereof
A compressed gas regulator of a piston type is disclosed in which a regulator is configured with an input valve situated entirely inside a compressed air canister, which regulator is then attached...
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7730905 |
High pressure valve for hydrogen gas and decompression device for hydrogen gas
A high pressure valve for hydrogen gas includes a valve seat and a valve member, which is movable to selectively open and close the valve seat. One of the valve member and the valve seat is formed...
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7722009 |
Electromagnetic valve
An electromagnetic valve for a vehicle gas cylinder, said valve comprising: a valve body; an external thread section of the valve body, that can be screwed into an internal thread on the gas...
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7708028 |
Fail-safe vacuum actuated valve for high pressure delivery systems
A high pressure storage and delivery system having a fail-safe vacuum actuated valve is provided. In particular, through the innovative design of the vacuum actuated check valve, the system can...
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7699073 |
Soft start device for compressed air systems
A soft start device for compressed air systems comprises a primary inlet at which compressed air at a primary pressure may be supplied, the primary inlet being connected with a secondary outlet...
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7699074 |
Valve assembly including first and second joined parts
A double block and bleed valve assembly having a valve body with a bore. The bore has an opened and closed position by two valve arrangements to control fluid flow along a pipeline.
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7699135 |
Integrated hydraulic control system
A hydraulic system including a control valve and a steering control assembly. The steering control assembly includes a steering control unit and a priority flow divider contained in a single...
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7681595 |
Microfluidic device capable of equalizing flow of multiple microfluids in chamber, and microfluidic network employing the same
Provided are a microfluidic device and a microfluidic network formed by connecting such microfluidic devices. The microfluidic device can equalize the flow of multiple microfluids in a chamber in...
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7681590 |
Process apparatus and transportation system thereof
A process apparatus including a chamber, a pump, and a transportation system set between the chamber and the pump is provided. The transportation system has a pipe, a pressure control valve, and a...
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7658204 |
Semiconductor manufacturing apparatus enabling inspection of mass flow controller maintaining connection thereto
An opening/closing of a plurality of valves are controlled so that a plurality of gases flow into a chamber in an operation of a semiconductor manufacturing apparatus, and the opening/closing of...
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7624755 |
Gas valve with overtravel
A gas valve may include a valve body and a valve member disposed within the valve body. A resilient sealing ring may be disposed within the valve body such that the valve member achieves a closed...
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7624758 |
Fluid flow controller
A fluid flow controller (1) comprises a variable aperture flow control valve (5) having an inlet to receive fluid from a supply source and an outlet to deliver fluid along a conduit (6). Downstream...
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7625667 |
Battery box assembly
A battery compartment assembly includes a housing and a lid configured to be removably attached to the housing. The lid includes a pair of hinges that engage a corresponding pair of openings in the...
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7621294 |
Mouthpiece structure of water bag
A mouthpiece of a water bag includes a flexible body with a tunnel therein, a closed end at an end of the flexible body, and an elongated crack on the closed end adapted to communicate the tunnel,...
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7607588 |
Sink spray head with supply jet variation and flow rate regulation
Sink spray head with supply jet variation and flow rate regulation, comprising a body defining at least two distinct water supply areas in communication with a distribution chamber controlled by a...
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7604021 |
Steam valve
A steam valve in accordance with the present invention is the steam valve that houses a first valve device 21 composed of a valve seat, a valve body, a valve rod, and a driving device, and a second...
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7591276 |
Expansion valve block with coordinated high- and low-pressure circuit control means
The invention relates to an expansion valve block which is equipped with coordinated means (8) for isolating the high-pressure circuit (3) and the low-pressure circuit (4) such that, when the gas...
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7565911 |
Two stage regulator method and apparatus
A two stage air regulator is disclosed wherein both stages are contained in a single billet, extruded, or machined housing. The first stage receives an input pressure of about 5000 PSI from an air...
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7530367 |
Pressure regulator
A main valve reduces an unregulated pressure of a high-pressure gas to a regulated pressure by being interlocked with a diaphragm, which receives the regulated pressure within a pressure regulating...
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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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