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Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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:...
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...
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....
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 367 1 2 3 4 5 6 7 8 >