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8113226 Valve assemblies and related systems and methods  
Check valve assemblies and related methods are described. A valve assembly comprises a housing having at least a first inlet passage and an outlet passage. A flow channel is disposed within the...
8011290 Apparatus for preparing a beverage suitable for consumption, such as coffee  
A beverage preparation apparatus with a three-way valve that includes an inlet; a first outlet; a second outlet; a first member movable between first and second extreme positions under the...
8006325 Pumped shower drain system  
A pumped shower drain system (10) comprises a shower base (12), a waste water unit (14) provided on the shower base (12) and having a waste water inlet (28) and a waste water outlet (30), and a...
7909056 Connector for transferring fluid and method of use  
A connector for transferring fluid and method therefor. The connector may have a first port, a second port, and a third port which may be coupled together at a main channel with a first valve...
7748403 Pressure maintaining valve, tool, set and fuel injection system  
A pressure-holding valve for a fuel injection system with a high-pressure region and a low-pressure region, the valve having with a valve housing having a first connection that can be connected to...
7748385 Valved holding chamber for use with an aerosol medication delivery system  
The present invention pertains to a valved holding chamber suitable for use in an aerosol medication delivery system. The valved holding chamber includes a housing and a mouthpiece coupled to the...
7740023 Check valve assemblies and related methods  
Check valve assemblies and related methods are described. A valve assembly comprises a housing having at least a first inlet passage and an outlet passage. A flow channel is disposed within the...
7673651 Flow regulating device  
The device comprises a stationary body which has, defined inside it, a passage for a flow of liquid with at least one inlet opening and one outlet opening for the flow and in which at least one...
7600530 Connector with check valve and method of use  
A connector comprising a needless access device and a backflow check valve for transferring fluids and method therefor. The connector may have a first port, a second port, and a third port. A first...
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...
7415921 Apparatus for preparing a beverage suitable for consumption, such as coffee  
An apparatus for preparing a beverage provided with a storage tank, a heater and a three-way valve. The three-way valve is provided with in inlet, a first outlet and a second outlet. The three-way...
7367353 Combined check valve and pressure relief valve  
A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a...
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...
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...
7331360 Check valve with low shut off sound  
The present invention relates to the field of check valves and more specifically to check valves with substantially low operational noise or low shut off noise. Provided is changing a direction of...
7258134 Combination check valve and pressure rise rate valve  
A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve...
7243676 Combination umbrella and inverted bi-directional valve  
A combination valve including a valve body having an inverted bi-directional valve portion and an umbrella portion is disclosed. In accordance with one aspect of the invention, a combination valve...
6997206 Pressure Compensating valve  
This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for...
6959726 Valve assembly for attenuating bounce of hydraulically driven members of a machine  
A member that is driven by a hydraulic actuator tends oscillate when fluid flow to the hydraulic actuator is terminated. A pressure relief device reduces that oscillation by connecting first and...
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...
6789561 Excess-flow valve  
An automatically operating valve for use for example in a forecourt fuel pump has a body (10) defining a flow passage (20) within which is formed a valve seat (22), the body having a weakened zone...
6779554 Return check valve  
The invention relates to a backflow preventing check valve (1) comprising a housing (2) in which a closing member (3) is arranged. The closing member is moveable between a closed position and an...
6712726 Lube regulated pressure regulator valve  
A Lube Regulated Pressure Regulator Valve including an internal check valve that passes transmission fluid from the hydraulic pump in an amount sufficient to fill the torque converter in the Park...
6666656 Compressor apparatus  
A fluid compressor controls opening and closing of a fluid intake port in the crankcase with a novel and improved form of gate control member which follows rotation of the crankshaft and times the...
6648010 Check valve plate with anti-pressure surge device  
An ant-pressure surge device mounted in or on a closure member (1) of a check valve to eliminate overpressure and reduce shock waves in a pipeline when the check valve closes. The anti-pressure...
6634375 Leak arresting valve  
A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer...
6578604 Ball valve with slot for continuous flow  
The invention concerns a device for controlling a fluid flow, characterised in that said device comprises second valve arrangement means interposed in the circuit in series with first valve...
6488320 Quick connect coupling  
A quick connect coupling for use with a conduit having a free end with a bead is disclosed. The coupling includes an elongated tubular and cylindrical housing having a female end portion at one end...
6273128 Apparatus for controlling the flow of fluid  
Apparatus for controlling the flow of fluid includes a gravity sensitive valve for receiving fluid from a fluid flow passageway and a pressure activated valve located downstream from the gravity...
6196246 Freeze-resistant plumbing system in combination with a backflow preventer  
A plumbing system which, when ambient outdoor temperatures drop below freezing, circulates water to prevent it from freezing, utilizing a check valve to prevent water from flowing back into the...
6173734 Leak arresting mechanical flow control valve  
A mechanical leak arresting valve is disclosed in which fluid through the valve is limited to a range between a predetermined minimum flow rate and a predetermined maximum flow rate, and where both...
6142980 Multi-function medical control valve assembly  
The invention is directed to a multi-function control valve assembly for use in aspirating the left ventricle of the heart during open heart bypass surgery. The control valve assembly includes a...
6102072 Water-hammerless check valve  
The present invention is intended to provide an economically advantageous, high-performance water hammer preventing check valve capable of preventing both water hammer and pressure rise under any...
6089829 Pump for hot corrosive melts  
The invention relates to a pump for discharging hot corrosive liquids, in particular molten salts, consisting of a pump pipe (1), a discharge pipe (2) dipping into the liquid and at least two...
6079449 System for delivering and maintaining the sterility and integrity of flowable materials  
A system is provided for contamination free delivery and control of a flowable medium contained in an enclosed flow path or a container. The system is highly scalable in size and works even with...
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...
5950653 High pressure relief valve for use with a backflow preventer  
A backflow preventer assembly installed between a supply line and a service line, comprising one or more check valves and a high pressure relief valve operating to discharge water in the service...
5893708 Rotating piston for ball and seat valve assembly and downhole pump utilizing said valve assembly  
Disclosed is an assembly for unseating a seated traveling valve ball, and pumps utilizing such an assembly. The assembly generally includes a tubular member having therein a piston with an actuator...
5782269 Soft seal poppet type check valve  
A check valve normally blocks fluid flow from a bore to a passage and includes a spring normally holding a ball in sealing engagement with a valve seat to form a primary metal-to-metal hard seal....
5752541 Diverter valve  
A diverter valve for a faucet having a spray function is provided. The diverter valve includes a seal to engage a valve housing and prevent back siphonage. There is also a piston head and valve...
5682920 Valve device for priming a pump, particularly for coffee making machines  
Valve device for priming a pump includes a body having a first conduit connected to a pump for sucking water from a tank, a second conduit for connecting the body to a heater provided with a...
5628624 Pump barrel valve assembly including seal/actuator element  
Disclosed is an assembly for unseating a seated traveling valve ball, and pumps utilizing such an assembly. The assembly generally includes a tubular member having therein a piston with an actuator...
5573033 Non-drip valve  
A non-drip valve for the discharge of liquid comprises a through-flow channel (2) from whose end the liquid emerges and at least one elastic member (12) within the through-flow channel (2) which...
5533876 Pump barrel seal assembly including seal/actuator element  
Disclosed is an assembly for unseating a seated traveling valve ball, and pumps utilizing such an assembly. The assembly generally includes a tubular member having therein a piston with an actuator...
5499655 One-way valve structure for a hydraulic jack  
An improved one-way valve structure for a hydraulic jack includes a stepped inlet end at a L-shaped intake passage for fixing of a filter. The diameter of the filter is slightly smaller than the...
5455772 Method of and apparatus for testing an engine or a compressor  
A method of and apparatus for testing an engine or compressor wherein one of an inlet and an exhaust valve (19) is actuated by a hydraulic piston and cylinder arrangement (11) and the flow of...
5395350 Paracentesis valve  
Disclosed is a paracentesis valve apparatus and method of using the valve. The valve comprises a valve body having three apertures and a bypass passageway. A movable valve member with truncated end...
5362216 Coaxial valve arrangement for high pressure positive displacement pumps  
A positive displacement pump wherein the housing has a thin one-piece plate-like head bolted to the adjacent end of a casing for one or more reciprocable plungers. Each plunger is coaxial (a) with...
5360032 Control valve assembly  
The invention provides a control valve assembly essentially comprising a housing, a check valve member, a safety valve member as well as a support body member. The housing is provided with an inlet...
Matches 1 - 50 out of 210 1 2 3 4 5 >