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9010353 |
Gas lift valve having edge-welded bellows and captive sliding seal
A gas lift apparatus has a gas lift valve that disposes in a mandrel. A housing of the valve has a chamber, and a seat disposes between the inlet and outlet. A piston movably disposed in the... |
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9004444 |
Device for the hydropneumatic control of a valve with a pneumatic locking means
Valve control device includes a body with a longitudinal axis, a control member housed at least partially in the body in a bottom portion along the longitudinal axis, a piston movable along the... |
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8960219 |
Valve actuator
Actuator for a seat valve or a butterfly valve which is of the type that is normally closed (NC) or normally open (NO), and also has a cylinder and a piston being held in the normal position by a... |
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8905067 |
Valve module
Valve module for influencing a fluid supply of a fluid-operated load, comprising a valve housing with a valve chamber being connected to an inlet port and an outlet port and a pilot chamber being... |
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8851445 |
Security valve
A security valve having a body, a fluid control device, and an internal locking structure. The internal locking structure allows for partial movement of the valve before locking the fluid control... |
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8840082 |
Fluid control valve
A fluid control valve is configured in a manner that a first passage has at one end portion thereof a first port communication passage communicating with a first port, and at the other end portion... |
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8814130 |
Discharge flow control valve
A self-regulating valve controls the flow of high pressure gas discharging from a gas cylinder in a fire suppression system in response to a detection of a fire within a protected space by a... |
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8806860 |
Hybrid construction machine
A hybrid construction machine includes a control valve provided in a flow passage that connects an actuator to a regenerative hydraulic motor, an opening of which is controlled by a pilot pressure... |
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8807518 |
Aseptic or sanitary diaphragm valve
An aseptic valve or sanitary valve employs a floating plug situated within a cylindrical valve housing. The floating valve plug has a head that seats against an inlet opening, and has a stem and a... |
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8800958 |
Slow-acting on/off valve
Disclosed is a slow-acting ON/OFF valve which includes a valve-opening pressure chamber that makes an actuating member (which actuates a valve body that comes into contact with and moves away from... |
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8800957 |
Pneumatically actuated liquid dispensing valve
A liquid dispensing valve (12) including a liquid inlet (90) for receiving the liquid and a liquid outlet (92) for discharging the liquid. A valve member (44) is mounted for movement relative to... |
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8794491 |
Dispensing module and method of dispensing with a pneumatic actuator
An adhesive dispensing module includes a pneumatic actuator for actuating reciprocating movement of a piston on a dispenser valve member. The pneumatic actuator includes a valve element and a... |
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8794588 |
High pressure actuator regulating valve
An actuator regulating valve apparatus comprising an actuator assembly operably installed within a valve body assembly, a bellows assembly operably installed adjacent to the actuator assembly, a... |
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8783647 |
Counter-biased valve and actuator assembly
Methods for controlling flow are described herein that include a valve assembly provided and operated to control the flow from a first conduit to a second conduit. The valve assembly includes an... |
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8752639 |
Fire suppression system and method thereof
A fire suppression system and method thereof is provided. The fire suppression system includes at least one inlet pipe, at least one outlet pipe, and a valve. The inlet pipe is at least partially... |
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8733399 |
Flow adjusting valve
A needle valve that adjusts the flow of liquid fluid and an open/close valve that makes it possible to fully close a flow path of the liquid fluid are accommodated inside a casing of a flow... |
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8720850 |
Suck back valve system and valve-closing-operation control method for the same
There is provided a suck back valve system in which problems in the suck back function are resolved. In a suck back system including an integral-type suck back valve in which an on/off valve that... |
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8714196 |
Valve Manifold
A valve manifold includes a valve body carrying pairs of laterally spaced piston actuated valves controlled by control modules operative to selectively pressurize and exhaust an outlet port... |
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8708309 |
Self-aligning spring seat for fluid regulator and fluid regulator comprising self-aligning spring seat
A spring seat for self aligning a bias-open or bias-close spring is disposed within a tubular control element of a gas regulator and designed to reduce side loading of the spring, which can cause... |
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8678342 |
Air-operated valve
An air-operated valve which can keep the impact at the time a valve part sits on a seat from causing material from shedding and thereby generating particles which contaminate a controlled fluid... |
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8667989 |
Aseptic or sanitary top hat diaphragm valve
An aseptic valve or sanitary valve has an elongated tubular, cylindrical valve housing, with one or more top-hat diaphragms and associated valve plugs positioned transverse to the axis of the... |
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8602383 |
Suck-back valve
A suck-back valve includes a piston and a valve body linked via a shaft portion. An open/close valve, operated by fluid pressure, is provided with a suck-back function. A suck-back chamber formed... |
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8528584 |
Device for driving a double seat valve
A drive device for a double seat valve having, between flow paths, a seat and first and second valve disks, where first, second and third pistons movable in a sealed manner by alternating pressure... |
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8522824 |
Aseptic or sanitary diaphragm valve
An aseptic or sanitary diaphragm valve has a valve body and at least one cylinder-actuated valve mechanism. A chamber is defined between a cylinder head and a plate or disk, which has a central... |
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8496027 |
List valve, particularly for process technology
The invention relates to a lift valve (1; 1.1; 1.2; 1.3), particularly for process technology. The aim of the invention is to design a process valve of the type in question which acts as a lift... |
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8485218 |
Oil pressure regulating valve for generator applications
A generator includes a rotor to be driven to rotate and generate electricity and a housing receiving the rotor. An oil supply includes an oil inlet port and an oil outlet port. A pressure... |
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8469055 |
Device for driving a double seat valve capable of seat cleaning
A device for driving a double seat valve with two closing elements arranged in series and displaceable with respect to each other. A sleeve-shaped fourth drive piston pressurized by pressure... |
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8469333 |
Counter-biased valve and actuator assembly
A valve actuator assembly, counter-biased by a working fluid (or gas) pressure, is disclosed. The valve actuator assembly comprises a valve and a pneumatic or hydraulic actuator. A port is defined... |
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8469585 |
In-line multi-chamber mixer
The present invention is directed to an in-line mixer for mixing a plurality of fluids to produce a mixed product. The mixer includes one or more mixing chambers, an impeller in each of the mixing... |
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8459293 |
Ampoule with integrated hybrid valve
Semiconductor manufacturing tools with chemical delivery systems, such as precursor distribution system, use reservoir assemblies as part of a distribution system. One reservoir assembly includes:... |
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8444111 |
Combined valve
A combined valve includes a pilot mechanism and a manual mechanism. The manual mechanism includes: a flange formed with a communication passage; a housing including a holding hole formed in an... |
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8434733 |
Valve for control of high pressure air pressure air pulse
A valve for use in the control of pressurized air from a pressure tank, the pressure tank including a wall in which an outlet port is formed, the wall having an inner surface and an outer surface.... |
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8424561 |
Pressure regulator
A pressure regulator is capable of automatically regulating the inlet water pressure to a compressed air foam system (CAFS), thereby allowing direct connection between a high-pressure water... |
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8387944 |
Compensated valve
In a valve assembly (1) comprising a valve housing (2), a valve seat (3) and a valve body (4) adapted to fit in closing relationship in said valve seat (3) in a closed position, said housing (2)... |
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8375981 |
Pressure control valve
A pressure control valve is provided, which can variably control the set pressure of a relief valve in accordance with pilot signal pressure that is controlled in an operator's seat and so on when... |
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8366602 |
Electrically activated valve for implantable fluid handling system
A system for facilitating obesity control includes an inflatable gastric banding device, a fluid reservoir couplable to the inflatable portion, and an implantable fluid handling device including... |
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8328410 |
In-line multi-chamber mixer
The present invention is directed to an in-line mixer for mixing a plurality of fluids to produce a mixed product. The mixer includes one or more mixing chambers, an impeller in each of the mixing... |
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8312902 |
Filling head with low Reynolds number
The invention relates to a filling head with low Reynolds number, consisting of an inner body (2) and an outer body (3), in which one moves axially with respect to the other, there being a space... |
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8297306 |
Fluid regulator
A fluid regulator that has excellent flow-rate-control response for not only pressure fluctuations at the primary side but also pressure fluctuations at the secondary side and that realizes highly... |
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8281810 |
Dry valve for sprinkler system
A dry valve is provided for a sprinkler system, including a housing including a valve body having an inlet end and a valve cover having an outlet end. A prime chamber housing is disposed within... |
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8262058 |
Balanced pilot operated check valve
A valve assembly includes a check valve element in an output chamber. The check valve element opens to permit forward flow of fluid under pressure in the output chamber from an input port to an... |
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8231101 |
Receiving opening of joint for working fluid and valve with the receiving opening
The present invention relates to a duct connector for working fluid, that is durable and corrosion resistant, and a valve with the duct connector. The duct connector has a head portion with an... |
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8210493 |
Water hammerless valve
A water hammerless valve includes a pneumatically-operated valve having a valve disc for opening and closing a fluid channel by moving upward and downward through a pneumatic actuator operation,... |
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8177188 |
Valve manifold
A valve manifold includes a valve body carrying pairs of laterally spaced piston actuated valves controlled by control modules operative to selectively pressurize and exhaust an outlet port... |
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8157538 |
Capacity modulation system for compressor and method
An apparatus is provided and may include a compression mechanism, a valve plate associated with the compression mechanism and having at least one port in fluid communication with the compression... |
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8074683 |
Valve system for a coulometric analyte sensing instrument
A valve system that includes (i) first and second longitudinally facing members defining a gap therebetween in fluid communication with transversely offset first and second orifices through the... |
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8061119 |
Actuation mechanism for a convertible gas turbine propulsion system
An actuation mechanism for use in a convertible gas turbine propulsion system comprises a plenum, a pneumatically powered drive body and a spring system. The plenum receives pressurized air from... |
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8028716 |
Pressure-reducing valve
An annular mating portion extends from a fastening surface of a fastening nut. The mating portion has an inner diameter set to be substantially equal to an outer diameter of the portion of a... |
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8011639 |
Poppet type flow control valve
A valve of the invention includes a valve body having an inlet, an outlet, and a flow passage connecting the inlet and outlet, the inlet, the outlet and the flow passage being in general axial... |
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8011382 |
Bi-modal bleed valve assembly for gas turbine engine
A bi-modal bleed valve assembly is provided. In one embodiment, the bi-modal bleed valve assembly includes a housing assembly having a bleed inlet, a bleed outlet, a control servo port, and a... |