Matches 1 - 31 out of 31


Match Document Document Title
US20140166115 WATER HAMMER RECOGNIZING AND ENERGY SAVING WATER HAMMER PREVENTION SYSTEM AND METHOD FOR CONTROLLING THE SAME  
The present invention relates to a water hammer recognizing and energy saving water hammer prevention system and a method for controlling the same that is configured wherein in case of the...
US20130312845 Anti-freeze vacuum Breaking Structure for a faucet  
An anti-freeze vacuum breaking structure for the faucet contains a tube body including a chamber, an inlet, an outlet, a connecting hole, and an intake valve; a control valve including a housing,...
US20140048160 Rinse Valve for Vacuum Waste System  
The apparatus and method of the invention provides for a rinse valve for controlling the flow of rinse fluid to a vacuum waste receptacle. The rinse valve comprises a primary rinse fluid flow path...
US20060157110 Vacuum breaker for hose connection  
A vacuum breaker for hose connection includes an upper and a lower connecting element for connecting to a hose bibb and a hose connection, respectively, and a pressure pad. The upper connecting...
US20060060243 Self-draining vacuum breaker  
A self-draining vacuum breaker includes a tubular first valve, an internally-stepped tubular second valve, a circular diaphragm, a movable stopper, and a spring. The first valve includes an inlet...
US20100043890 ANTI-SIPHON DEVICE FOR A FLUSH VALVE  
An anti-siphon device for a flush valve having an air-inlet sealing diaphragm, a diaphragm bracket with an air inlet, a flex sleeve, a venting bracket, and an offsetting spring. The deformation...
US20080047612 AUTOMATIC DRAINING DOUBLE CHECK VACUUM BREAKER  
A vacuum breaker having a housing with an inlet for connection with the wall hydrant, an outlet for connection with the hose, and a central cavity. A drain valve is disposed within the housing...
US20060278271 Vacuum breaker  
A vacuum breaker includes a hollow bushing with an end in communication with the atmosphere and the other end in communication with at least one water outlet, a check plugger moveably disposed in...
US20080169029 Non-removable refill restrictor apparatus  
A toilet refill restrictor apparatus includes an adapter interposed between a fill valve and a refill hose. The adapter is non-removably coupled to the fill valve and is configured with a larger...
US20110005610 SEPARATOR FOR A RELEASE VALVE  
An improvement for a backflow release valve of the type used for a backflow event in a supply line is provided. The improvement includes an air-liquid separator in fluid communication with the...
US20060272706 Vacuum eliminator  
The prevent invention comprises a non-returning pipe, pressure controller and pressure-resisting ring respectively, whose larger ring-shaped side exactly resists the water inlet edge of the...
US20090095357 BACKWATER VALVE ASSEMBLY WITH REMOVABLE VALVE MEMBER  
A backwater valve assembly includes a valve housing, a valve member and a servicing tool. The valve housing has an internal ledge within its interior on which is positioned a retainer clip...
US20090020163 Siphon Breaker  
A siphon breaker includes a housing having a gas inlet and a gas outlet. The siphon breaker includes a stop valve adapted to transition from a closed position in which gas is substantially...
US20080276994 AIRING AND VENTING ELEMENTS FOR PIPES AND FITTINGS  
The invention relates to an airing and venting valve for pipes and fittings carrying fluid, comprising a substantially cup-shaped valve body becoming smaller in cross-section towards the bottom...
US20120012194 Double Check Back Flow Prevention Device  
A double check valve is provided that includes an in-line inlet check valve and an outlet check valve that cooperate to prevent back flow of fluid through the valve. The check valve also includes...
US20110297244 UNIVERSAL HOLE CUTTER  
The present invention discloses a universal hole cutter in the field of mechanics, comprising an oil pump body, an oil cylinder and an oil storage chamber, in which the oil pump body could be...
US20080245418 Freezeless Hydrant  
A freezeless hydrant includes an operating screw positioned within a head member, an operating coupling mating with the operating screw, an operating rod coupled to the operating coupling and a...
US20060196543 Additive delivery device and methodology for irrigation systems  
One possible embodiment for the invention could be an additive delivery device for an irrigation system having at least one vacuum pressure breaker, whereby the additive delivery device can attach...
US20080178941 System disconnector  
A system disconnector (10) for physically disconnecting an upstream liquid system from a downstream liquid system by means of an outlet valve (48) provided in a housing (16), the disconnecting...
US20060196542 Vacuum breaker  
A vacuum breaker is adopted for use on a water discharge end of a flush valve in a water supply piping system. It includes a valve which has a valve seat with a hollow section to house a plug. The...
US20080072965 Valve device for sanitary fitting and sanitary fitting  
A valve device (10) for a sanitary fitting having at least two control elements (30, 32) which are movable relative to one another and on which at least two inlet channels (16, 18) and at least...
US20070240765 Backflow Preventer  
A reduced pressure zone backflow preventer comprising a body 12 entirely made of plastic material, formed with an inlet port (14) accommodating an inlet check valve assembly 120 and an outlet port...
US20150240463 ARRANGEMENT FOR HANDLING A LIQUID MEDIUM  
An arrangement for managing a liquid medium, such as water, combines a pressure-reducing valve with two backflow prevention valves. Both the pressure-reducing valve and the two backflow prevention...
US20060157111 Backflow preventer  
The invention relates to a backflow preventer having a housing, which has an inlet opening, an outlet opening and at least one leakage opening disposed between these openings and accommodates...
US20100288373 DUCKBILL TYPE CHECK VALVE WITH CURVED AND RESILIENTLY BIASED CLOSING SEAL  
A check valve is provided comprising a conduit for conveying a fluid, the conduit having an inlet and an outlet, the conduit having a first region adjacent the outlet (13) comprising a flexible...
US20120006422 Anti-backflow vacuum breaker valve  
An anti-back flow vacuum breaker valve includes a valve body having a cylindrical internal chamber with a conical upper portion and a reduced diameter lower portion forming a horizontal valve...
US20170081833 AUTOMATIC DRAINING BACK FLOW PREVENTION DEVICE  
A double check valve is provided that includes an in-line inlet check valve and an outlet check valve that cooperate to prevent back flow of fluid through the valve. The check valve also includes...
US20170073951 SYSTEM FOR PREVENTING REVERSE FLOW  
A backflow prevention device including a tank having a holding chamber and first and second inlets connected with the holding chamber; a control valve having an intake chamber and first and second...
US20170073941 DUAL CHECK BACKFLOW PREVENTER  
A backflow preventer that includes a housing having an inlet and an outlet adapted to be mounted in a liquid flow configuration in a liquid supply circuit. An upstream check disc assembly is...
US20160362878 Device for Preventing Backflow  
A backflow prevention device including a tank inside of and moveable relative to a housing. A cap coupled to the housing and including inlet and outlet chambers fluidly connected through an inlet,...
US20150330063 Anti-Freeze Faucet Structure  
An anti-freeze faucet structure contains: an outer pipe, an inner pipe, a control valve, a resilient element, a unidirectional sealing gasket, and a controlling assembly. The outer pipe includes...

Matches 1 - 31 out of 31