Matches 1 - 50 out of 420 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
7617842 Valves for fuel cartridges  
Valves for connecting fuel supplies to a device are disclosed. The fuel supplies can be a pressurized or non-pressurized cartridge that can be used with any device, such as fuel cells or fuel...
7591291 Refueling assembly having a check valve receptacle and a replaceable fuel receiver for bottom-filled fuel tanks  
A fuel receiver assembly, that permits replacement of a worn fuel receiver without draining the fuel tank, includes a check valve receptacle having a male-pipe-threaded nipple which engages the...
7575017 Wet barrel fire hydrant system with second valve  
Wet barrel fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into...
7549444 Frost free valve assembly  
A frost free faucet having a spigot assembly including a drain conduit, a sleeve assembly including an elongated pipe, and a valve assembly. The valve assembly includes a ½ turn valve, a check...
7520294 Hydrant shoe with backflow prevention assembly  
A fire hydrant system relating to protection of a water supply from contamination. The fire hydrant system includes a barrel adapted to communicate at least indirectly with a water supply; a nozzle...
7500585 Fluid-storing container  
A valve mechanism ( 3 ) includes a valve seat member ( 31 ) having a guiding portion ( 319 ); a valve member ( 32 ) having a valve body ( 321 ), a guiding shaft ( 322 ), and a supporting shaft (...
7451782 Flow path control valve  
The present invention relates to a flow path control valve capable of preventing a back flow of a fluid by maintaining inner pressure of a valve chamber constant. An object of the present invention...
7445025 Combination valve  
A valve assembly is disclosed. The valve assembly includes a valve body having an inlet opening, an outlet opening, and a flow passage extending therebetween. A check valve is disposed within the...
7418974 Tap having a clamping ring on the base end portion  
The invention relates to a tap for a gas or liquefied gas vessel having on a conical threaded base of the tap body a clamping ring adapted to be firmly tightened against a neck of the vessel to...
7395907 Shock absorber with frequency-dependent damping  
Shock absorber containing a flow channel ( 16 ), provided with a valve assembly, made in the piston section. This valve assembly is designed to be actuated hydraulically. To this end there is an...
7383858 Control valve assembly for a faucet  
A control valve assembly includes a first control valve and a second control valve longitudinally mounted to the first control valve. A first check valve and a second check valve respectively...
7367356 Oil flow control valve for a cam phaser  
An oil flow control valve ( 10 ) for a cam phaser is described comprising a spool ( 18 ), a spool housing ( 16 ) and a check valve ( 40 ), wherein the spool ( 18 ) comprises a throughbore ( 60 )...
7322558 Non-refillable valve  
A non-refillable valve is provided that allows for an initial filling of a container, but prevents subsequent refilling of the container. In one embodiment, the valve includes a valve core having a...
7273069 Pressure activated shutoff valve  
An apparatus for providing a pressurized gas inline valve assembly incorporating a check valve to maintain pressure above a selectable psi and a ball valve for selectively shutting off gas flow....
7264019 Controlled-flow hydraulic distributor  
The hydraulic distributor exhibits a cylindrical and internally-hollow body ( 2 ) having an inlet chamber ( 3 ) for a fluid and an outlet chamber ( 4 ) which are interconnected directly (by a...
7225834 Recreational vehicle valve and connector assembly for rinsing a sewer hose  
A valve and connector assembly for interconnection with and rinsing of sewage hoses including sewage discharge hoses and connectors for Recreational Vehicles. The assembly comprises a connector for...
7185674 Fluid flow control valve  
A fluid flow control valve is disclosed. This valve includes a housing which defines a central passageway having fluid inlet and fluid outlet openings. A pressure responsive element is disposed...
7182099 Tap for gas or liquid cylinder  
A tap for a gas or liquid cylinder is provided that comprises an inverted seat primary valve located in a main portion of a tap body and a secondary check valve spring biased into closed position...
7174911 Fire hydrant with second valve  
Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants....
7174915 Water re-circulation valve  
A valve is provided for use in a domestic water re-circulation system The valve has a unitary body member that includes an upstream end and an upstream portion disposed adjacent to the upstream...
7168450 Valve adapter  
An adaptive fitting for valves. The adaptive fitting has a fitting body having a first end and a second end. The fitting body defines an inner passageway extending from the first end of the fitting...
7140390 Frost free valve assembly  
A frost free faucet having a spigot assembly including a drain conduit, a sleeve assembly including an elongated pipe, and a valve assembly. The valve assembly including a ¼ turn valve and a check...
7121298 Reducer valve for pressurized gas  
A reducer valve for pressurized gas includes a piston ( 2 ) displaceably mounted in a valve housing ( 3 ) against the force of a pressure spring ( 8 ). At one end, the piston ( 2 ) is subjected to...
7100637 Wall hydrant having backflow preventor  
A water hydrant having a housing with inlet and outlet ends, and a valve assembly having a valve seat and a valve closure element. A valve operating rod is secured to the valve closure element to...
7077157 Spring-loaded pressure relief valve, particularly for containers of pressurized fluids  
A spring-loaded pressure relief valve, particularly for containers of pressurized fluids, comprising a valve body that is associable with a container and forms a discharge port that is controlled...
7055544 Fire hydrant with a second valve  
Fire hydrants which feature additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants....
7032609 Vacuum feed system for liquid chemical feeding  
A vacuum feed system for feeding liquid chemical into a stream of a second liquid flowing in a conduit includes a venturi connected in the conduit for supplying vacuum through first and second...
7028981 Non-return valve  
A non-return valve ( 10 ), typically of commonly called duckbill valve shape, comprising a valve body ( 12 ) and a valve membrane ( 14 ). The valve body ( 12 ) is generally tubular and includes an...
7024852 Multi-purpose valve  
In an electrical multi-purpose valve for supplying secondary air into an exhaust system of an internal combustion engine, in which a power-actuated closing member controls a valve orifice in a...
6994114 Pressure control valve  
A pressure control valve, which has a main valve for control, capable of opening and closing a valve hole by means of a diaphragm, and controls the pressure of a fluid by the agency of the main...
6990991 Safety device for a gas distribution system in an airplane and gas distribution method  
A safety device is provided for a gas distribution system in an airplane, containing at least one pressure regulator ( 5 ) between a pressurized gas source ( 2 ) and a supply line. Reliability of...
6957799 Valve for a non-refillable pressurized container  
A valve for a pressurized container includes a valve housing having a central bore and a port in the for connection of a nozzle. Preferably, the valve has a unidirectional stepped valve housing. In...
6945264 Flow control valve and method for using the same  
A flow control module has a valve body with a bore extending therethrough and a first disc occupying substantially the entire area of the bore and having at least one aperture extending...
6929029 Faucet for preventing cold water from flowing to hot water tube  
A water control valve of a faucet comprises a water control body; a water-stop ring having a water outlet slot; a water guiding disk having a round shape; a lateral surface of the water guiding...
6910495 Backflow prevention system  
A backflow prevention system that helps prevent contamination of potable water distribution systems from backflow at fire hydrant connections.
6883534 Freeze protection device for wall hydrants/faucets  
A freezeless wall hydrant has a normally horizontal fluid inlet tube with an interior end and exterior end. A hollow valve fitting is rigidly secured to the interior end of the inlet tube for a...
6880573 Frost free valve assembly  
A frost free faucet having a spigot assembly including a drain conduit, a sleeve assembly including an elongated pipe, and a valve assembly. The valve assembly including a ¼ turn valve and a check...
6848467 Non-metallic, snap-together subsasembly of internal double check valve  
A valve proportioning assembly that incorporates a check valve assembly is improved in manufacture and assembly. The valve proportioning assembly includes a housing having a blind opening that...
6848466 Reset tool for a gas fuel tank and method for using the same  
A tool and method of utilizing the tool to release pressurized gas trapped between a main valve and a safety valve of a portable liquified petroleum gas tank is disclosed. The tool includes a tank...
6832625 Electrically operable valve assembly having an integral pressure regulator  
An electrically operable valve assembly having an integral pressure regulator provides ease of installation and compact packaging for a water supply control system. The valve assembly is...
6832626 Modular two way check valve construction  
A check valve construction is provided which includes a housing having a first flow path and a second flow path. Liquid flow is controlled within the first and second flow path by movable plungers...
6805154 Freeze protection device for wall hydrants/faucets  
A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to...
6797156 Faucet water treatment  
A water treatment unit is disclosed which can be mounted directly on the faucet or tap of the user's sink and which contains one or more water treatment media and an operating valve which permits...
6745792 Hydraulic relief valve  
In a hydraulic relief valve having a main poppet draining into a pressure-oil tank hydraulic fluid flowing into a sleeve from a hydraulic pump and a pilot poppet draining into the oil tank the...
6712088 Pilot-type channel valves providing counter-flow prevention  
A counter-flow prevention valve is disposed within a body of a pilot-type channel valve. While electrical power is applied to a solenoid coil and the pilot-type channel valve is opened, i.e., while...
6708716 Valve assembly  
A valve assembly includes a valve body having a passageway and first and second oppositely facing valve seats that extend around the passageway. First and second valve elements are positioned in...
6691739 Valve assembly and pulsator device constructed therewith  
A valve assembly includes a housing defining a main chamber having an inlet connectable to a source of pressurized fluid, and an outlet; a first valve within the main chamber normally closing the...
6681804 Device for controlling the output of rotary compressors  
A device for controlling the output of rotary compressors which includes a housing ( 8 ) formed of two housing parts which define connection flanges ( 1, 3 ) at opposite ends thereof and which...
6679283 Valve inspection chamber  
A valve inspection chamber includes a housing having a vertical inspection and valve retrieval opening. A valve cassette is provided which includes a frame and a valve member movable relative to...
6648005 Activation pin  
An activating pin which comprises a valve part, the piston part comprises within it a channel, the cross-section of said channel is, at least one part of said piston part, consisting of sectors,...
Matches 1 - 50 out of 420 1 2 3 4 5 6 7 8 9 >