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Match Document Document Title
8043186 Two stage check valve for automatic transmission system  
The two stage check valve for the automatic transmission system provides a first member that opens in response to a first pressure and a second member which opens in response to a second pressure...
8011364 Exhalation valve for use in an underwater breathing device  
An underwater breathing device, such as a snorkel, may include an exhalation valve. The exhalation valve is configured to produce positive end-expiratory pressure in the airway of a user of the...
7754166 Disinfection apparatus with connection device  
A disinfection apparatus is disclosed for disinfecting fluid cleaning of health care objects and the like. The disinfection apparatus includes a fluid system for supplying fluid to a chamber, an at...
7637323 Ball seat having fluid activated ball support  
Apparatuses for closing a well conduit comprise a housing having a longitudinal bore and a seat disposed within the bore. A chamber is disposed within the housing and includes a plug element...
7624755 Gas valve with overtravel  
A gas valve may include a valve body and a valve member disposed within the valve body. A resilient sealing ring may be disposed within the valve body such that the valve member achieves a closed...
7552744 Decompression valve  
A pressure-relief valve has a flange formed with a throughgoing port. A spring plate spaced outward from the port is mounted on a rigid post fixing the spring plate relative to the flange. A valve...
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...
7503341 Self cleaning flow shutoff valve and associated methods  
The present flow shutoff valve comprises a flow metering sleeve positioned within a flow passage. The sleeve and a housing of the valve define an annular space. The sleeve includes a flow metering...
7469712 Relief valve  
A valve for the fuel system of a turbine engine works to relieve high pressure transients in the liquid fuel side of the turbine engine arising from the elevated ambient temperatures of operation...
7387136 Fuel pressure regulation valve  
A regulation valve has: a cylinder that has an inlet port at one end side thereof to introduce the fuel thereinto, and a relief port opening on a side face thereof; a piston that is reciprocatably...
7334603 Check valve  
A check valve has an elastic valve body portion and an inelastic valve body portion and a valve seat. The valve body is fixed to a valve shaft, and a valve body abutment plate for abutting the...
7225831 Fluid flow control valve  
A fluid flow control valve that may be used as both a check valve and a relief valve. The valve includes a moveable valve member having a surface capable of forming two or more valve seal areas...
7210497 Pressure relief device with increased flow rate  
A pressure relief device for electrical equipment housing, includes a valve body having a pedestal that projects above a mounting flange and a table on the pedestal that supports a two-stage valve...
6901953 Fuel metering device for a turbomachine injector  
A fluid metering device including a metering valve capable of sliding in a bushing under fluid feed pressure in order to enable a fluid to be admitted and then ejected. The valve can have, at a...
6736164 Pressure control valve for a fuel tank  
A pressure control valve for a fuel tank with a spring-loaded valve body is intended to combine a maximum sealing effect with an unobstructed and reliable response. This is achieved in that the...
6681796 Drainage valve pipe tap assembly  
A drainage valve tap assembly for connection of a branch line to a main line while simultaneously forming a freeze proof drain comprising a hollow body having a first end and a second end, a...
6651693 Check valve  
The check valve (12, 14) of the present invention is a ball-type valve that incorporates multiple annular valve seats (34, 38) of progressively smaller diameters for the specific purpose of...
6446613 Two-stage pressure limiting valve  
A two stage pressure limiting valve comprises a valve member arranged for axial movement in a bore. The valve member is biased to close a side spill port and a valve opening communicating with a...
6435208 Flame-retardant pressure equalizing valve  
A flame-retardant pressure equalizing valve contains a valve body that is guided in a housing. Under the influence of excess pressure, the valve body is displaceable from a closing position into a...
6425413 Valve with secondary load bearing surface  
A valve (120) for controlling fluid flow therethrough in downhole applications is disclosed. The valve (120) comprises a valve housing having a valve closure mechanism (122) and a valve seat (124)...
6422127 Hydraulic actuation arrangement  
A hydraulic actuation arrangement including a double-action working cylinder whose working chambers are in communication via a mutually unseatable check valve with one side of a reversible pressure...
6352085 Pressure relief valve  
A pressure relief valve for an oil pump of an automotive internal combustion engine. The pressure relief valve comprises a wall defining thereinside a valve accommodating bore. The wall is formed...
6289926 Flapper valve assembly with seat having load bearing shoulder  
A flapper valve assembly (120) for controlling fluid flow therethrough is disclosed. The flapper valve assembly (120) comprises a tubular valve housing having a valve chamber. A valve seat (124) is...
6039072 Safety valve arrangement  
A safety valve arrangement for an installation operating with a pressure medium has a pressure medium input and a pressure medium output connected by a valve. The valve comprises a valve seat and a...
5983927 Inlet valve assembly  
The invention proposes an inlet valve assembly integrated in apparatus for dispensing a fluid contained in a tank, the valve assembly serving to isolate said tank at least during a dispensing stage...
5931191 Flow control valve for passing two fluids in opposite directions  
A flow control valve includes a piston moveable in a cylindrical chamber between an inlet opening and an outlet opening. The piston head has a maximum diameter smaller than the wall of the chamber...
5927607 Sprinkle with velocity control disc  
A pop up sprinkler unit includes a housing having an inlet including a passage for connecting to a source of fluid such as water or air, a pressure responsive inlet valve assembly including a valve...
5893389 Metal seals for check valves  
A poppet check valve (20) in the embodiment of FIG. 1 has a valve body (30) with a fixed unyielding metal seat (38) for engaging in metal-to-metal sealing contact with a sealing surface (48) on...
5881759 Air-ventilating valve  
An air-ventilating valve is adapted to allow the ambient atmosphere to enter a conduit when the ambient pressure exceeds the pressure of gas in the conduit by a essentially predetermined amount,...
5584314 Self-cleaning inlet head for a fluid  
The invention provides a self-cleaning inlet head for a fluid, operable in a first, draining, mode and in a second, backflushing, mode, including a body having a front end and a rear end; a piston...
5465752 Multi-function valve for a riser in a sprinkler system  
A multi-function valve for installation in a riser of a sprinkler system provides two valve functions. One function is to stop flow automatically when breakage of a sprinkler head causes the flow...
5411054 Positive displacement compressor  
A reciprocating positive displacement compressor is described. The positive displacement compressor has an intake or exhaust valve provided with a deformable seal means, such as a Belleville...
5404903 Smart vent valve for cargo tanks employed in transporting hazardous commodities  
A "smart vent" valve is mounted on a liquid storage tank employed in the transportation of liquid. The valve prevents overpressurization of the tank due to increases in vapor pressure and prevents...
5203466 Fuel cap  
A fuel cap 1 for controlling the pressure within a fuel tank which has improved sealing properties between a valve member 43 of a pressure control valve 41 and a seat surface 35. The pressure...
5174463 Cap for a container, especially a vehicle radiator  
In a closure cap for a container, especially for a vehicle radiator, with an outer part (12), an inner part (16) of cup-shape connected with the outer part and insertable into the opening to be...
5170818 Safety valve  
A safety valve including a brass valve body having a through bore provided with a circular sharp-edged valve seat and another sharp edge. A valve stem carrying a ball valve and a biasing spring...
5161572 Pressure valve  
A pressure valve, which is installed in the delivery line leading from a fuel injection pump to a fuel injection valve, and which has a valve closing member opening in the direction of delivery,...
5069188 Regulated canister purge solenoid valve having improved purging at engine idle  
Improved idle purging is obtained in a regulated canister purge solenoid valve by communicating the atmospheric chamber space of the regulator mechanism to atmosphere through the canister and...
5054518 Variable flow self-cleaning valve preferably for ventricular offtake branches of cephalorachidian fluid  
The present valve, employable by persons affected by hydrocephalus, permits discharge into suitable offtake branches of the excess cephalorhachidian fluid existing in the ventricles of the brain....
5039284 Fuel pump with a vapor vent valve  
A positive displacement type pump for use in a fuel system of an internal combustion engine having a pump housing that includes a pump chamber and a vapor vent valve to allow vapor to flow out of...
5033506 Delivery valve  
A delivery valve for controlling fuel flow from a fuel-injection pump to an internal combustion engine and comprising a seat member, a closing member movable relative to the seat member for...
5014759 Vehicle wheel having valve means to prevent misuse  
A vehicle wheel that includes a valve which has a check device, with the wheel being intended for use with a pneumatic tire that even when operating as a tire which is flat or has otherwise lost...
4890640 Drainage valve  
A drainage valve for use in pressure systems where pressure surges occur for draining an underground water system when the water pressure in the underground water system is off and for sealing the...
4846216 Fluid power valve device  
A fluid power control valve apparatus is disclosed and is characterized by combining desirable features of both a spool type valve element and a poppet type valve element. A spool element is...
4822112 Modulator with two-stage orificed master cylinder bypass valve  
A vehicle wheel brake system having a service braking section and a wheel lock control (ABS) section is provided. Under certain conditions the wheel lock control section may not be able to generate...
4781213 Ball check valve  
A ball check valve assembly for chemical pumps. A fluid conduit terminates at a first surface in a port of circular cross section. Within the conduit, an O ring seat is aligned with the port; an...
4756334 Check-valve assembly, in particular for a pressurized water reactor  
This check-valve assembly, adapted to close a fluid flow circuit without creating overpressures or hammering in this circuit, comprises a tubular body (1) connected at both of its ends to a...
4719938 Self-cleaning valve and cryopump utilizing the same  
The pressure relief valve is debris resistant, self-cleaning, and self-actuating in a cryopump. It includes an o-ring carried by a valve member within a valve cylinder. In opening, the valve member...
4706705 Check valve  
A miniaturized check valve comprises a generally tubular body including a cylindrical base and a guide sleeve of reduced diameter which axially extends from the base. The body forms a an interior...
4648421 Valve device for controlling liquid flow  
A valve device for use in filling cartons includes a tubular housing containing a valve member comprising a closure part co-operating with a valve seat at the lower extremity of the housing, and a...
Matches 1 - 50 out of 96 1 2 >