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8146884 |
High pressure control valve that allows for multiple pressure drops
This invention relates to a control valve which comprises a first and a second flow channel (2, 3), a valve chamber (4) and a closing member (5), from which a shaft (6) extends. A flow connection...
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8042572 |
Controllable pressure-reducing valve and device for the generation of pressure change signals
A controllable pressure reducing valve has a housing which includes an inner chamber extending in the direction of a longitudinal axis and an inlet opening and an outlet opening. The inlet opening...
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8033300 |
Fluid pressure reduction devices
An example fluid pressure reduction device includes a plurality of nested cylinders forming a hollow structure comprising an inner surface and an outer surface. The device also includes a plurality...
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7886772 |
Noise reducing fluid passageways for fluid flow control devices
Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second...
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7806134 |
Mixed water control valve having a water pressure balance function to stabilize a water temperature
A control valve for a faucet includes a valve housing, a hollow valve seat, at least one water outlet channel, a fixed plate, a rotation plate, a control unit, two mounting seats, a fixed sleeve,...
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7802592 |
Fluid pressure reduction devices
An example fluid pressure reduction device includes a hollow cylinder having an inner surface and an outer surface and a plurality of passageways extending between the inner and outer surfaces....
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7802589 |
Multirate tubing flow control valve
A flow control valve includes a stem extending into an interior bore defined by a wall of a flow control member of the valve, the stem and the wall defining therebetween a cylindrical space...
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7766045 |
Fluid pressure reduction device for high pressure-drop ratios
A fluid pressure reduction device comprises two or more stackable annular plates. Each disk having a perimeter and a hollow center aligned along a longitudinal axis when the annular plates are...
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7766041 |
Flow force reduction by incremental pressure drop
A fluid flow control device for improving, for example, valve operation by reducing “error forces” occurring due to fluid communication between ports of a valve having two or more ports. Inc...
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7757711 |
Flow controller
The flow controller is capable of optionally controlling flow volume of controlled flow and reducing weight and a production cost. The flow controller comprises: a main body having a first flow...
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7694693 |
Mixing valve for a contrast therapy system
The present invention relates to fluid mixing valves, and more particularly, to mixing valve assemblies which incorporate a ball element and which are adapted for use in a thermal or contrast...
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7690400 |
Noise reducing fluid passageways for fluid control devices
Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second...
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7690396 |
Multirate tubing flow restrictor
A flow control valve for medical liquid is disclosed. The valve has a housing including an inlet, an outlet, and a flow path therebetween. A plurality of flow restrictors are located in the flow...
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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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7363941 |
Fluid control valve device
Certain embodiments of a fluid control valve include one or more ceramic components that operate substantially free of tensile stress concentrations along the control surfaces. In some embodiments,...
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7284569 |
Steam valve
In a steam valve, a strainer is arranged between a valve body and a valve casing in which the valve body is accommodated, and a screen assembly is mounted on an outer peripheral portion of the...
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7273068 |
Electric driven, integrated metering and shutoff valve for fluid flow control
A fuel control valve (100) includes a rotary throttling valve assembly (4,7) providing one or more of the benefits of being lightweight, having a relatively low power consumption, having a...
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7185675 |
Reduced gain thrust control valve
A reduced gain thrust control valve for use in a rocket engine has a housing with a fluid inlet and a piston and cylinder unit for controlling a fluid output of the control valve. The fluid inlet...
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7178782 |
Quiet opening ball valve
A valve uniquely integrates ball valve and throttling valve principals, thus affording quieter stop-and-start operation. A ball held by two seat rings is rotatable ninety degrees and has a...
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7152628 |
Anti-cavitation valve assembly
A valve assembly for reducing cavitation includes a seat disposed within a valve housing intermediate a fluid inlet and outlet thereof. A disc guide is associated with the seat so as to be slidably...
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7146997 |
Regulator with flow diffuser
A flow-through pressure regulator having a housing, and a divider. The housing includes an inlet and an outlet disposed along a longitudinal axis. The divider separates the housing into a first...
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7089961 |
Fluid energy reduction device
A fluid energy reduction device especially for a flow control valve has a fluid inlet and a fluid outlet separated by a plurality of stacked plates in the form of a trim stack. Each plate of the...
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7000634 |
Adjustable valve for variable flows and a method for reducing flow through a valve
A fluid valve comprises a fluid conduit and a flow reducing device. The fluid conduit includes a fluid input end and a fluid output end. The flow reducing device comprises a first fluid passage and...
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6994277 |
Accessory for faucet
An accessory is easily attached to a faucet and is easily manipulated to increase the pressure of water flowing from the faucet. The accessory includes two plates, one of which is movable relative...
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6994109 |
Fitting for measuring and regulating the flow rate of a hydraulic medium through a pipeline
A fitting for measuring the flow rate of a hydraulic medium through a pipeline having a cylindrical fitting housing with a main flow channel includes a flow meter device with a measuring element...
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6986365 |
High-flow microvalve
A method for achieving high flow in valves with small actuation distance is described. A detailed description for a silicon microvalve is provided. An algorithm is described for designing optimized...
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6935369 |
High pressure oxygen valve
A high pressure valve for oxygen service comprises a valve body (10) with a gas passage (12) and a valve seat (18) associated with the gas passage (12). An obturation unit (22) is movable between a...
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6926249 |
Precision modulating globe valve
A precision modulating globe valve for controlling the flow of a fluid from zero to a maximum flow rate. The valve plug of the globe valve includes at least one flow modulating channel recessed...
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6923210 |
Rotary drag valve
A valve assembly comprising a rotary closure element which defines an axis of rotation and is selectively movable between a fully open position and a fully closed position. Mounted to and movable...
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6851658 |
Control valve trim and bore seal
An ANSI Leakage Class V control valve having consistent shut off characteristics with a reduced actuator force required to open and close the valve is provided. The trim arrangement of the control...
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6851451 |
Method and apparatus for manufacturing a valve body
What is disclosed is a method for manufacturing a valve piston, as well as a valve piston, wherein flow in the fine control range is determined through control windows formed by a through opening...
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6807984 |
High flow high control valve and assembly
A valve and a valve assembly are provided that exhibit both highly controlled metering of fluid, as well as a high volume of fluid flow when the valve is in the fully open position. The regulating...
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6782920 |
Fluid flow control device
A fluid flow control device (10) has a stack of annular discs (15) defining a central passageway (14) and a plug (16) reciprocable in the passageway for controlling fluid flow. Adjacent discs (15)...
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6772783 |
Rotary to linear valve and method of use
A valve is disclosed that is operable by converting rotational force of a stem into linear motion of a valve closure element, such as a sleeve, to control fluid flow through the valve. In a...
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6766826 |
Low noise fluid control valve
A fluid control valve includes a valve body having a fluid passageway, a cage mounted in the fluid passageway, the cage including a wall defining a cage bore having an axis, and a valve plug...
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6730236 |
Method for separating liquids in a separation system having a flow coalescing apparatus and separation apparatus
A flow conditioning apparatus, a separation system which includes the flow conditioning apparatus and cooperating downstream separation equipment, and a method of using the system are described....
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6718633 |
Process for manufacturing valve trim assemblies
A process for manufacturing a valve trim assembly. The process comprises providing a flow disk having an outer diameter, an inner diameter, and an outer disposable flow disk portion, providing a...
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6688321 |
Method and apparatus for a flow regulator having an integral hinge
A device for regulating the flow of gas from an environment. The device includes a shell forming a path through which fluid flows. A fixed grate is disposed in the path so that as fluid flows in...
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6681792 |
Reduced-length sleeve valve
A multiple opening sleeve valve is provided with a gate movable to control flow or pressure without the need for axial movement of a component through a pressure-containing seal. A gate actuator...
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6637452 |
Valve with self-cleaning trim
The seal assembly is disclosed for use with a valve having a trim cage with an inner surface extending along in axis and a plug sized to fit inside the trim cage inner surface, wherein the plug is...
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6615874 |
Stacked disk valve trim
The present invention provides a cost effective means by which pressure reduction in a fluid flow control device is optimized. The pressure reduction achieved according to the present invention...
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6615868 |
Spool valve
A spool valve includes a groove defined in the spool and a notch. A line A is drawn to extend through a communication zone a provided upon communication of the notch which is disposed at a distal...
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6609697 |
Vacuum control valve
A vacuum control valve comprises a valve chamber with a valve opening which has a portion with a cylindrical inside wall on which an elastic sealing washer is provided. A closing body is included...
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6505646 |
Pressure reduction valve for a compressible fluid
A pressure reduction valve for a compressible fluid has an inlet and outlet separated by a pressure reduction member having a plurality of convergent-divergent nozzles High pressure gas or vapour...
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6478192 |
Diluent change over dispense apparatus
A post mix beverage dispense apparatus has a mixing head 10 arranged to receive different combinations of a concentrate and a diluent for dispensing any selected one of a range of beverages. The...
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6450194 |
Spool notch geometry for hydraulic spool valve
A spool valve includes a pressure control portion and a pair of flow control portions. Each flow control portion is adjacent to, and on opposite sides of, the pressure control portion. A first...
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6405994 |
Flow control valve incorporating an inflatable bag
A flow control valve which does not utilize any moving components in the valve is disclosed. In the flow control valve, a valve housing that has a cylindrical-shaped wall is first provided. Inside...
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6394134 |
Control valve trim for high-pressure fluid flow
Disclosed is a fluid flowing control device of a valve having fluid flowing paths which are made in more sophisticated configuration and by controlling the velocity of the fluid by the maximal use...
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6338466 |
Water well recharge throttle valve
A water well recharge throttle valve (1) is configured as a hydraulic actuated flow control device (5) that permits calibrated throttling of water used in Artificial Storage and Recovery (ASR),...
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6325101 |
Choke valve
A choke valve, whose choke body comprises a cylindrical choke position plunging coaxially into an inlet duct. The inlet flow duct is connected on the one hand with an inlet and on the other hand...
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