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8910655 Gas valve having automatically blocking means  
Disclosed therein is a gas valve having automatically blocking means, which is mounted at an inlet side of a valve body having a ball valve so that the gas valve does not need additional blocking...
8875725 Fluid connector with integrated excess flow valve  
A connector for fluids has a pipe through which the fluid flows. The pipe has a diameter, an inlet end, an outlet end, an expanded area relative to the diameter. The connector also has an excess...
8776827 Household tap water monitor  
A household tap water monitor includes a water meter, an electrical control valve, a single chip micyoco, an LCD, an electrical source circuit, a photoelectric detector connected to a first input...
8749393 Water leak detection and shut-off method and apparatus using differential flow rate sensors  
A method and apparatus for detecting leakage of flowing liquids from pipes includes an upstream flow-rate sensor positioned between a source of a flowing liquid which is conducted from a source to...
8739825 Device for burst pipe safety  
A device for the protection against the rupture of pipes carrying a fluid includes two or more flow channels and a closing element which interrupts the flow of fluid if a predetermined permissible...
8714191 Water cut-off valve  
A valve that is to be employed in a line through which fluid passes. The valve includes a movable valve element that is urged under the influence of gravity away from a valve seat but urged to...
8701715 Flow check valve assembly and method  
The present invention provides, in part, a valve assembly and method that maintains balance of flow to pressure in fluid and gas piping system applications. In one embodiment, the present invention...
8671971 Systems and methods for providing a monitoring and deactivation apparatus for a beverage distribution system  
An apparatus for indicating a leak in a beverage dispensing system and sealing a leak in a beverage dispensing system includes a deactivating means including a channel, a sealing ball, a sealing...
8640729 Method and apparatus for automatic fluid shut-off  
An automatic shut-off valve shuts off fluid flow in the event of abnormal amounts of fluid flow. A rotor inside the valve turns when fluid flows through the valve. The rotor causes a pneumatic pump...
8616230 Dual-acting multi-actuation mode gate valve  
A dual acting multi actuation gate valve is provided that includes a secondary actuation mechanism. The valve may include a body, a shaft, a movable portion disposed within the body and coupled to...
8534314 Explosion protection valve  
Disclosed is an explosion protection valve comprising a closing member (4) which is movable inside a housing (2), is guided along a guide bar (3), and can be displaced in a moving direction from a...
8353310 Valves having removable internal actuation mechanisms  
Internal valve apparatus are described. An example internal valve includes a body having a valve seat disposed between an inlet and an outlet. A flow control member operatively coupled to the body...
8327872 Apparatus for connecting an external water feed line to an internal water line of a washing machine  
An apparatus is provided for connecting an external water feed line to an internal water line of a laundry care household appliance. The apparatus has a housing in which one end of an external...
8262057 Flow controlled actuator apparatus for use with self-closing stop valves  
An apparatus for operating a device such as a self-closing internal valve is disclosed. The apparatus includes a housing assembly having an internal chamber, a fluid inlet in fluid communication...
8251082 Dual valve method and apparatus for limiting toilet water flow  
A dual valve assembly for limiting flow into a toilet tank comprises a fill valve, such as a float valve or ball cock valve, and a piston valve positioned between a water supply line and the fill...
8225812 Slam shut safety device  
A safety device for a gas distribution system includes a valve body, an upper casing attached to the valve body, the upper casing housing two springs. The two springs are co-axially located and...
8166996 Toilet bowl overflow prevention and water conservation system and method  
A system and method for conditionally interfering with the operation of a conventional toilet tank fill valve prevents toilet overflow and conserves water. A single self-contained apparatus,...
8166998 Multiple valve assembly for reducing water loss from a leak  
A valve assembly for reducing water loss from a leak from a water device. The valve assembly includes a first passage through which water flows from a water source to the water device and a second...
8113232 Flood prevention system and associated method  
A water flow control system for regulating water traveling through an existing water supply line preferably includes a housing connected to an existing water line. A user interface may be coupled...
8100141 Water supply control assembly with automatic shut-off and duty cycle reset  
A water supply control assembly is disclosed for cutting off the supply of water to a house or building in the event of excessive water consumption. In one embodiment, a valve is secured to a...
8047224 Cartridge insert valve  
The present invention is for a cartridge insert valve to limit excess flow through a pipe which is part of a piping system. The cartridge insert valve includes a cylindrical housing and an inlet...
8020582 Excess flow valve  
An excess flow valve having a housing, a valve seat, a poppet and an adjusting ring. The adjusting ring lies within a bore in the housing and there is an opening through the housing permitting...
7987870 Overpressure protection device and connection subassembly comprising same  
The invention relates to a protection device which defines a through hole (21) for the passage of a fluid which may be under overpressure conditions. In addition, the inventive device comprises: a...
7900647 Water leak detection and prevention systems and methods  
Water leak detection and prevention systems and methods in which water is only delivered to the water pipes in the building when a faucet or appliance demands water and water is delivered through a...
7845369 Volumetric-controlled smart valve  
A volumetric metering smart valve shuts down automatically when a certain amount of liquid has passed through the valve. This valve has a water wheel which is rotated by the liquid and which drives...
7806132 Method and device for tapping a pipeline  
A method and device is provided for tapping an existing primary pipeline (e.g., a water supply line) without cutting the existing primary pipeline. A secondary supply line may be installed by...
7779852 Water conservation safety shut-off valve  
The present invention is a water conservation safety shut-off valve assembly for use on locations which normally have intermittent water usage but need to indicate when there is constant water...
7757708 Toilet bowl overflow prevention and water conservation system and method  
A system and method for conditionally interfering with the operation of a conventional toilet tank fill valve prevents toilet overflow and conserves water. A controller connected to a water level...
7743786 Irrigation system and shut-off control device therefor  
An irrigation system having at least one water distribution member, a water supply source and a horizontally oriented, shut-off control device located in a fluid flow line between a water supply...
7658179 Fluid leak limiter  
A fluid leak limiter for a high-pressure fuel injection system is disclosed. The fluid leak limiter may have a body at least partially defining a central bore with a fluid inlet and a fluid outlet,...
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...
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...
7533689 Excess flow control valve  
A poppet mounted concentrically on a barrel for axial travel downstream relative thereto from an open to closed position, the poppet biased by a coil sprint to its open position.
7451777 Water conservation safety shut-off valve  
The present invention is a water conservation safety shut-off valve assembly for use on locations which normally have intermittent water usage but need to indicate when there is constant water...
7398795 Excess flow valve  
An excess flow valve includes: a valve that opens and closes a flow path; a solenoid that keeps the valve in an opened state; a pressure detector detecting the primary-side pressure of the valve;...
7380567 Safety valve assembly having reset mechanism  
A valve assembly includes an excess flow shut-off mechanism for controlling flow between an inlet and an outlet of the assembly. The excess flow shut-off mechanism is adapted to automatically stop...
7380565 Spill prevention system with safety valves  
The present invention is for a spill prevention system to prevent fuel spills from a connecting line connecting duel fuel tanks on a truck when the connecting line is severed or detached from one...
7360555 Gas regulator with altimetric adjustment  
The invention relates to a gas regulator which is intended to be mounted on a gas delivery pipe connecting a gas source to a user device. The inventive regulator comprises a pressure regulation...
7343927 Blocking element, especially an explosion protection valve  
A closing body (3) which is mounted in a housing (2) in such a way that it can be axially displaced and can be pressed out of an opening position against a valve seat (4) into a closing position....
7326186 Injector system and fluid control device providing sharp bolus injection  
An injector system includes a source of injection fluid, a pump device, a fluid path set disposed between the source of injection fluid and the pump device, and a fluid control device operatively...
7306008 Water leak detection and prevention systems and methods  
Water leak detection and prevention systems and methods in which water is only delivered to the water pipes in the building when a faucet or appliance demands water and water is delivered through a...
7299819 Water flow sensor alone and in combination with a method and apparatus for selectively shutting off the flow of water to a building  
Embodiments disclosed herein relate in part to water flow sensors, and also to such water flow sensors in combination with a system used to selectively shut off the flow of water through a water...
7299814 Method and apparatus for selectively shutting off the flow of water to a building  
Embodiments disclosed herein relates in part to selectively shutting off the flow of water through a water supply pipe to a building, such as in the event of a broken water pipe. The embodiments...
7273062 Shut-off valve for preventing the flow of liquid through a conduit, and related processes  
A shut-off valve for preventing the flow of liquid through a conduit is described herein. The valve includes a valve body which defines a fluid passage, a portion of which can be venturi-shaped....
7258131 Safety valve  
The invention is for a safety valve for a piping system. The safety valve has a cylindrical housing, a piston assembly with two disc-shaped pistons, each piston having at least one orifice defined...
7152617 High pressure release safety valve assembly  
A safety valve assembly for use with a global manual valve which is installed on a high pressure cylinder or container. The safety valve assembly has a main body that is threaded into the lower...
7140386 Surge suppression and safety cut-off valve  
A surge suppressor and safety shut-off valve is described which automatically shuts off fluid flow in response to a sufficient pressure differential across the valve. The shut-off valve comprises a...
7114512 Gas safety device  
A gas safety valve includes a main body having a longitudinal through-hole consisting of a first section, a second section, and a third section with different inner diameters. A ball and a...
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...
7089959 Timing regulator for outdoor gas apparatus  
A timing regulator, having an operation temperature of the timing regulator from −40° C. to 55° C., includes a valve body which has a gas discharging end for connecting to an outdoor gas app...
Matches 1 - 50 out of 285 1 2 3 4 5 6 >