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8167269 |
Valve trim apparatus for use with valves
A valve trim apparatus for use with valves is described. An example valve trim apparatus includes a cage having an upper portion removably coupled to a lower portion. A closure member is disposed...
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8152136 |
Polymer microvalve with actuators and devices
The present invention relates to a microvalve having a valve plug, connecting legs, anchors and actuators, allowing the valve plug to move vertically to open or close the valve. The valve plug can...
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8141849 |
Valve body and seal assembly
A valve body and seal assembly comprises a valve body symmetrical about a longitudinal axis and comprising a circumferential seal retention groove and a frusto-conical valve body impact area for...
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8118278 |
Aseptic flow control valve with outside diameter valve closure
An aseptic diaphragm valve in which a valve seat (37) is formed by a groove including a concave surface of engagement that positioned along an outer diameter of an upper end of an inlet tube (32),...
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8079382 |
Unfreeze faucet structure
An unfreeze faucet structure includes a watering control valve having a body; a control shaft, an upper ceramic member, and a lower ceramic member connected with the body; a valve seat locked to...
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8074671 |
Self-cleaning valves for use in vacuum cleaners and other self-cleaning valves
A self-cleaning valve assembly is provided, such as for use in a vacuum cleaner such as a particularly advantageous vacuum cleaner system that has at least two filters and self-cleans its filters...
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8070132 |
Fluid control device with a non-circular flow area
A fluid control device with a non-circular flow passageway is disclosed. The fluid control device has an inlet port (318) formed on a first side (314) of a fluid control body. A valve cavity (320)...
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8066258 |
Valve seat apparatus for use with fluid valves
A valve seat apparatus for use with fluid valves is described. An example valve seat apparatus includes a flexible seal disposed between a cage and a valve body such that an outer seating surface...
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8021124 |
Capacity control valve
A capacity control valve includes a valve body having a first valve portion for opening/closing a discharge-side path and a second valve portion for opening/closing a suction-side path, a pressure...
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8006715 |
Valve with thin-film coating
A fuel system component is provided. The fuel system component may comprise a valve body having a substantially conical surface region including a first coating. The component may further include a...
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7993606 |
Adaptive membrane structure
An adaptive membrane structure is provided. The adaptive membrane structure has movable membranes that can be made to change its gas, liquid or particulate permeability in response to surrounding...
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7975716 |
Solenoid valve puck assembly and method
A puck retaining recess in a plunger of a solenoid valve is formed with a puck retaining lip that is fixed or unified with the plunger. The puck is then radially compressed to fit through a central...
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7967039 |
Seal assembly for a source of pressurized fluid
A valve system includes a source of pressurized fluid comprising an orifice through which the pressurized fluid flows away from the source, and a poppet comprising a groove and a seal positioned in...
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7954788 |
Methods and apparatus to align a seat ring in a valve
Methods and apparatus to align a seat ring in a valve are described. An example fluid valve includes a valve body having a curved internal surface to receive a seat ring and a seat ring having a...
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7955684 |
Adaptive membrane structure with insertable protrusions
The present invention relates to a multilayer protective enclosure for protecting humans, animals or perishables from hazardous agents in the environment. The enclosure contains a porous adaptive...
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7931252 |
Steam valve
A steam valve is provided with a valve body, a valve seat, and a valve rod provided for the valve body. The valve body has a bottom portion to which a recessed portion is formed, and the recessed...
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7845618 |
Valve door with ball coupling
Embodiments of an apparatus for sealing a substrate transfer passage in a chamber are provided. In one embodiment, an apparatus for sealing a substrate transfer passage in a chamber includes an...
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7845368 |
Double seat valve
A double seat valve in which a second closing element (4), in its closed position, rests with a stopping surface (4f) on a face of its cylindrical projection (4*) directly upon a first seat (2a)...
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7832653 |
Expansion valve having a grooved valve member and refrigeration device including the same
An expansion valve includes a valve body 1. The valve body 1 includes a first throttle 5 and a second throttle 6 arranged downstream from the first throttle 5. The second throttle 6 includes an...
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7789371 |
Low-power piezoelectric micro-machined valve
A piezoelectric microvalve employs a valve element formed of hermetically sealed and opposed plates flexed together by a cross axis piezoelectric element. Large flow modulation with small...
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7770547 |
Regulating device of the water outlet chamber type
A water outlet chamber-type regulating device includes a chamber component having an inlet and an outlet for a fluid to be regulated, and including a member for regulating the flow, the member...
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7762523 |
Miniaturized double latching solenoid valve
A valve includes a generally elongate pintle; a spacer having a rounded surface that bears against the pintle; a bulbous tip fixed to the spacer; and a hollow, generally cylindrical collar fixed to...
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7758020 |
Valve
A valve in which durability of a sealing member made from an elastic material can be increased and sealing capability can be advantageously maintained over a wide range from a large differential...
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7712484 |
Paint selector valve
A piston, which is displaceable by pilot air, is provided in a main body. A valve plug, which is composed of a resin material, is connected to an end of a shaft connected to the piston. The valve...
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7708255 |
Thermal deburring apparatus with rapid ventilation
A thermal deburring apparatus has a pressure-tight closeable deburring chamber connected to an environment via a ventilation passage having a passage direction; a ventilation valve closing said...
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7687034 |
Valve sealing system for a reagent package
The valve sealing system for a reagent package includes an annular cylindrical gasket seated in a channel formed in the package. A rocker valve on the package pivots relative to the annular...
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7661651 |
Apparatus for controlling medium flow
An apparatus for controlling medium flow, especially for controlling dilution liquid flow in connection with the headbox of a paper-making machine or a cardboard-manufacturing machine, which...
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7641175 |
Valve body and seal
A valve body substantially symmetrical about a longitudinal axis has at least one internal space and comprises guide means and two separately formed portions joined by at least one cylindrical web....
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7625624 |
Adaptive membrane structure with insertable protrusions
The present invention relates to a porous adaptive membrane structure that has movable membranes. The structure can be made to change its gas, liquid or particulate permeability in response to...
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7624965 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Valve
A valve in which durability of a sealing member made from an elastic material can be increased and sealing capability can be advantageously maintained over a wide range from a large differential...
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7624964 |
Gas valve with proportional output
A valve for controlling fluid flow comprising a body (100) provided with a fluid passageway having an inlet (10) an outlet (90), a valve member for inhibiting fluid flow through the passageway, and...
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7607642 |
Air discharge valve for a bedclothes compressing-and-storing bag
An air discharge valve for a bedclothes compressing-and-storing bag includes a lower main body having an air passage and a packing-receiving groove. An upper body is coupled to the lower main body...
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7540470 |
Powdered metal inlay
Hot-isostatic-pressure (HIP) is used to make substantially nonporous cemented carbide inlays on metal substrates. A radiused shell preform typically comprising at least one metal carbide and at...
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7537194 |
Flow control valve
A compact flow control valve with high flow stability is arranged to comprises: a valve body made of resin including; a first passage formed in the valve body; a valve port communicating with the...
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7513483 |
Valve body and seal assembly
A valve body and seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral single-durometer and/or dual-durometer elastomeric...
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7497414 |
Curved slit valve door with flexible coupling
Embodiments of an apparatus for sealing a substrate transfer passage in a chamber are provided. In one embodiment, an apparatus for sealing a substrate transfer passage in a chamber includes an...
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7461642 |
Rotary-actuated exhaust gas recirculation valve having a seating force attenuator
Means for attenuating the seating force of a cam-actuated poppet valve such as an exhaust gas recirculation valve in an internal combustion engine including a shock-absorber disposed between the...
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7458560 |
Diaphragm valve
A diaphragm valve includes a valve body defining a passageway constructed to form a valve seat, and a diaphragm. A compressor moves the diaphragm between a closing position in which a flow of fluid...
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7413164 |
Sealing member
A rubber (elastic substance) is attached by vulcanization and an annular sealing member 4 is formed in an annular groove 3 having a step and provided in the bottom wall of a body 2 of a valve disc...
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7387135 |
Valve assembly having rigid seating surfaces
A valve assembly including a valve body having a bore and a port extending to the bore, an orifice member received in the bore and having an end wall and a side wall, and wherein the end wall...
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7377758 |
Fluid pump
A pump comprising a piston in communication with a valve chamber provided with a first valve seat and a second valve seat, and a resilient valve element comprising a first tapered portion, a second...
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7357371 |
Isolation valve seal
Methods and apparatus for sealing an aperture that provides fluid communication between a second and first chamber of a dual chamber orifice fitting. A sealing assembly comprises a closure member...
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7344119 |
Solenoid valve
A solenoid valve includes a poppet formed by a valve body and a supporting plate, the supporting plate having a front surface which the valve body is firmly fixed and a rear surface contacting a...
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7234483 |
Electro-pneumatic air pressure regulator
An electro-pneumatic air pressure regulator includes a primary pressure introduction port, a secondary pressure output port, a pilot pressure chamber, a main valve for opening and closing a...
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7228875 |
Seal and bleed valve unit for electric batteries
Sealing and breathing valve assembly for accumulators comprising: at least one substantially tubular collar associated to the cover of said accumulator and suitable for connecting the external...
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7222837 |
Valve body with integral seal retention groove
A valve body having at least one internal hollow or space comprises two separately formed portions joined by at least one cylindrical web. Internal space may communicate with space outside the...
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7222637 |
Connector equipped with a valve
A connector housing of a valve-equipped connector is integrally formed from a tube connection section at a first axial side; a pipe insertion section at a second axial side; and a valve housing...
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7182056 |
Inverted poppet valve for internal combustion engine
A poppet valve for use in an internal combustion engine. The poppet has a partially-inverted perimeter shape which nevertheless substantially maintains the curtain area of the valve. These improved...
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7168679 |
Electromagnetic valve
An electromagnetic valve comprising has a valve seat, a valve element movable relative to the valve seat so as to open or close a hydraulic fluid passage interposed therebetween and a plunger...
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7108244 |
High-stability valve arrangement for a governor valve
A valve arrangement (10) for reducing the instability of fluid flow in a compressible flow governor valve includes a cutoff plug (12) with a lateral concave surface (14) and an end portion (16)...
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