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8152133 |
Pneumatic pressure regulating valve
A pneumatic pressure regulating valve, the opening of which can be automatically changed in a pressure-related manner, including a control diaphragm that is subjected to a reference pressure, to...
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8136547 |
Poppet valve with diverging-converging flow passage and method to reduce total pressure loss
A poppet valve is disclosed that include a valve body, a poppet guide disposed inside the valve body so as to form a flow passage from a flow inlet to a flow outlet of the valve, a poppet shutter...
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8104739 |
Pulse valve
The present invention relates to a pulse valve (10) with a closing body (18) that cooperates with a valve seat (22) and, in a first switching position, establishes a flow connection between a...
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8100145 |
LIFD valve assembly
An LIFD valve assembly has a pressure balance device a pressure balance slide of which is urged in the opening direction by a pressure downstream of a metering aperture and in the closing direction...
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8096587 |
Vacuum brake booster housing and non-rotatable connecting element
A vacuum brake booster includes a housing and a bent connecting element for connecting the vacuum brake booster to a vacuum source, wherein the connecting element includes a first connecting piece...
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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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7950621 |
Pneumatic pressure regulation valve
A pneumatic pressure regulating valve, the opening of which can be automatically changed in a pressure-related manner, including a control diaphragm that is subjected to a reference pressure, to...
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7938139 |
Smart reset relief valve
A reset relief valve with a body having an inlet port, an outlet port, and an interior wall partially defining an enclosed chamber, a piston disposed in the body and moveable between a first...
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7913715 |
Relief valve including a check valve in a damping chamber
A relief valve includes a body, a damping chamber in the body, a poppet in the body, wherein the poppet includes an end in the damping chamber, and a check valve in the damping chamber. The damping...
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RE41861 |
Decoupled check-relief valve
A decouple check-relief valve for use in a hydraulic fluid circuit is provided that has a cylinder guide housing which travels during the check function of the valve. The cylindrical guide housing...
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7640944 |
Valve for prevention of low flow rates through flow meter
A flow responsive valve for a flow metering system comprising a fluid meter having a minimum measuring flow threshold. The valve is shiftable between an open position at flow rates above the...
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7631656 |
Pressure control valve
A pressure control valve includes a housing, a piston within the housing, a biasing means within the housing for biasing the piston to seat in a first position for limiting fluid communication...
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7628016 |
Method of effecting multistage super-charging in internal combustion engines
A method of effecting multi-stage supercharging in internal combustion machines comprising a supercharging system, wherein fresh air is first routed through a low-pressure compressor. At least a...
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7624748 |
Valve
The invention relates to a valve which is insertable into a receiving recess (21) of a valve carrier (22), the valve (1, 1′) comprising a first housing part (2, 2′) and a closing body (4). The clo...
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7591283 |
Low rise rate direct acting relief valve
A relief valve assembly. The relief valve assembly has a housing that houses a sleeve element that surrounds a spool that has a spring guide disposed therein and is biased away from the spool by a...
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7591282 |
Damped, self-cleaning flow shutoff valve and associated methods
The valve comprises a housing defining a flow passage, an outer cylindrical wall, an inner cylindrical wall, and a valve seat. An annular cavity is formed between the outer cylindrical wall and the...
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7588047 |
Compressor bypass valve for use in multistage supercharging
A compressor bypass valve for multistage supercharging an internal combustion engine equipped with a supercharging system. The valve includes a displacement body accommodated in a valve housing....
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7552743 |
Self cleaning flow shutoff valve
A flow shut off valve for residential water line pressure includes a housing having an inlet, an outlet and a passage there between with a valve seat in the passage. A valve element is slidably...
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7540301 |
Compressor valve
A steel dampening ring rests on a wafer spring in an annular groove in a compressor valve stop plate to dampen the action of the plastic valve plate to prolong the life of the valve.
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7513270 |
Balanced safety relief valve
A safety relief valve provides for the equalization of backpressure across a valve spindle by providing for flow of fluid between equal sized upper and lower surfaces of the spindle in order to...
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7493913 |
Swimming pool vacuum relief safety valve
A vacuum relief safety valve includes a housing defining an inner chamber and attached to the suction-side of the swimming pool or spa pump. An air inlet aperture is formed in the housing so as to...
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7445017 |
Mesovalve modulator
A mesovalve having a diaphragm situated between a first chamber and a second chamber. There may be an inlet and an outlet in the first chamber. The diaphragm may provide an orifice between the...
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7429167 |
Scroll machine having a discharge valve assembly
A discharge valve assembly is provided for preventing reverse rotation of a scroll compressor. The discharge valve assembly includes a cup-shaped valve member slidably engaged with a central post...
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7422029 |
Linear damper for check valve
A damping system, for a valve with a flapper movable between an open position and a closed position, comprises a main body and a piston. The main body has at least an inner wall that defines a...
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7395790 |
Reed valve breather for evolution engine
A reed valve assembly is provided with a body, at least one flexible member, and at least one rigid member. Preferably, the at least one flexible member has a periphery so as to substantially cover...
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7367134 |
Dishwasher vent assembly
A mechanized vent for a dishwasher employs a vent plate moving about a hinge axis as driven by a cam mechanism at a surface of the vent plate removed from the hinge axis.
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7360557 |
Low pressure drop check valve
A check valve includes a valve housing having a first housing portion including an inlet and a second housing portion having an outlet. A poppet valve is received in the housing and includes an...
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7350538 |
Method of preventing inadvertent inflation of an inflatable prosthesis
A pump assembly for a penile implant is provided having a mechanism which prevents spontaneous inflation of the cylinders implanted within the user. The preventative mechanism uses overpressure...
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7350539 |
Electromagnetic controlled fuel injection apparatus with poppet valve
An electromagnetic controlled fuel injection apparatus has a poppet valve which controls the beginning and end of fuel injection by reciprocation. Inertia force and friction force arising from the...
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7331361 |
Pressure relief valve with direct hydraulic damping
To protect hydraulic assemblies, in particular to protect hydraulic brace systems, pressure relief valves 1 are used, the closing part 10 of which is formed by a piston 15, which is connected to...
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7320336 |
Plug incorporating pressure-sensitive valve
A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it...
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7302961 |
Surge relief valve
A surge relief valve comprising a main valve body having a dome port and an inlet port. The inlet port is in fluid communication with a first fluid. The invention further includes a dome reservoir...
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7287547 |
Inlet or outlet valve for a pump
An inlet or outlet valve for a pump comprises a closing body (3) pretensioned by a spring element (4). The closing body (3) can open or close a passage on a valve seat (2). The valve also comprises...
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7246635 |
Automatic flow rate control valve
An automatic flow rate control valve, includes a tubular body, defining a flow path between inlet apertures having a gradually variable cross-sectional area and a fluid outlet at one end; a flow...
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7234486 |
Pressure limiting valve for fuel injection devices
A pressure limiting valve is provided which has a valve body assigned on the high-pressure side to a valve seat and an operating piston combined with the valve body to form a unit. The valve body...
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7228869 |
Pressure limiting valve
What is disclosed is a a pressure limiting valve comprising a valve body, the axial movement of which is damped by means of a damping device. In accordance with the invention, the damping device...
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7168446 |
High impact discharge valve
A check valve for use in a pump. The valve is arranged to be subjected to severe service conditions and high impact loads, yet be resistant to damage to its components. The check includes a body, a...
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7159613 |
Pressure limiting valve in a hydraulic machine having a pressure limiting valve
In the housing 1 of a hydraulic machine, the pressure Pi acts in the chamber 2. For this purpose, a passage opening 4 is provided, which is formed as a valve seat 5. A valve body 6 can be displaced...
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7152622 |
Check valve
A top entry check valve including a valve body with an access port. A compressible hanger body engages a portion of the valve body and is positioned in alignment with the access port of the valve...
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7124774 |
Control valve
A control valve for regulating flow of fluids passing through the valve. The control valve includes a body with an inlet, an outlet and a passageway through which the fluid passes from the inlet to...
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7121267 |
Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance
An integrated pressure management apparatus, system and method for minimizing resonance of a poppet. A housing defines a fluid communication passage between ports. The housing includes a first...
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7121812 |
High pressure pump having replaceable plunger/valve cartridges
A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel engine or...
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7117885 |
Reset relief valve
A reset relief valve with a body having an inlet port, an outlet port, and an interior wall partially defining an enclosed chamber, a piston disposed in the body and moveable between a first...
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7111638 |
Excess flow shutoff
A flexible connector incorporates an excess flow shutoff at its inlet to prevent uncontrolled flow in the event of a failure such as rupture or separation of the connector. A shutoff sleeve moves...
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7063520 |
Suction valve assembly of reciprocating compressor
In a reciprocating compressor including a piston slide-inserted into the compression space of the cylinder, having a gas path therein, inducing a fluid into the compression space through the gas...
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7033151 |
Check valve of scroll compressor
A check valve of a scroll compressor which has a driving unit inserted in a casing and generating a driving force and a compression unit consisting of an orbiting scroll and fixed scroll for...
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6983762 |
Pressure regulator for a fuel supply system of an internal combustion engine
The invention relates to a pressure regulator for a fuel delivery system of an internal combustion engine for regulating a fuel pressure, including a valve, which has a valve ball that is pressed...
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6978799 |
Emergency pressure relief valve with enhanced reset
A pressure relief valve has a housing fluidly connected to a pressurized system line carrying a system fluid. The housing carries a moveable piston and a valve member that both move between closed...
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6971862 |
Appartus for preventing overheat of scroll compressor
An apparatus for preventing overheat of a scroll compressor comprising: an overload preventing device for connecting or cut off a power source by a temperature and a current; a valve housing formed...
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6966302 |
Fuel system and flow control valve
A valve for controlling flow of a fluid includes a valve body defining at least in part an inlet, an outlet, at least one chamber, and an orifice in communication with the chamber. A valve member...
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