Class 137/15.26 - Float valve

Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the significance is attributed
No. of patents: 36
Last issue date: 05/01/2012

Number	Title	Issue Date
8166995	Valve for the venting circuit of a liquid tank Valve for the venting circuit of a liquid tank, the valve comprising a chamber which includes openings that allow liquid to penetrate into the chamber above a certain level in the tank and/or in the event of waves in the tank or the tank being turned upside down, a ...	05/01/2012
7806133	Fluid level controller A controller and method of using same are disclosed. Preferably, the controller includes a pilot cartridge housing supporting an invertible pilot cartridge assembly (“cartridge”). The cartridge preferably includes a cartridge body supporting a number of pneumati...	10/05/2010
7647938	Readily demountable fill valve A fill valve assembly for controlling liquid flow into a reservoir includes a mounting adapter defining a liquid inlet passage for connection to a riser for supplying water to the valve and which renders the fill valve readily mountable and demountable for installat...	01/19/2010
7320769	Manufacturing method of fuel tank welding joint A welding joint 10 for a fuel tank reduces the amount of fuel vapor in the fuel tank that escapes into the atmosphere. The fuel tank welding joint 10 a joint main body 20 and a barrier layer laminated on the surface of the joint main body 20	01/22/2008
7243675	Drop tube segments adapted for use with a liquid reservoir A drop tube segment is adapted for use with a liquid reservoir. The drop tube segment includes a conduit with an end portion and a sidewall including a sidewall portion at least partially defining an interior housing area. The drop tube segment further includes a va...	07/17/2007
7210709	Tubular socket A tubular socket for connecting a fluid conduit to a thermoplastic container has first and second thermoplastic parts connected to one another by a multi-component injection molding process. The first part has a smaller creep tendency under pressure load and a small...	05/01/2007
7163023	Fuel vapor vent valve float assembly and method of making same A float assembly for a multifunction fuel vapor vent valve with a float having a recess formed in the upper surface of the float with a slot formed in the side of the float and communicating with the recess. A raised surface portion is formed in the bottom of the re...	01/16/2007
7152586	Fuel cut-off valve A fuel cut-off valve 100 of the invention is attached to an upper portion of a fuel tank and connects and disconnects inside with and from outside of the fuel tank according to the fuel level in the fuel tank. In the fuel cut-off valve 100 of the inven...	12/26/2006
7146729	Fuel vapor vent valve and method of attaching same to a tank A float operated fuel vapor vent valve has body structure with an annular mounting flange formed of material weldable to a fuel tank and the flange is spin welded to the tank. The float has surfaces thereon which slidably engage corresponding surfaces in the float c...	12/12/2006
7059305	Internalized component for fuel tanks An assembly is provided for internal placement of a component within a vehicle fuel tank. The assembly generally includes a two housing elements biased apart to retain the component within the fuel tank. The component may be non-destructively and selectively attache...	06/13/2006
6979376	Method for machining, such as soldering or deformation, a workpiece A method for soldering or deforming a workpiece, according to which a sonotrode of supersonic welding device is placed on the workpiece to be machined and the oscillation amplitude of the sonotrode is modified. In order to optimize the soldering operation, the oscil...	12/27/2005
6913295	Fuel tank connector A connector for a fuel tank includes a flange portion, an outer connecting portion to be connected to a pipe member and an inner connecting portion to be inserted into a fuel tank through a connecting opening of the fuel tank. The inner connecting portion has an eng...	07/05/2005
6886588	Buoyancy flushing apparatus and method thereof A buoyancy flushing apparatus is disclosed which comprises a reservoir for accumulating liquid, having an inlet for receiving liquid and an outlet chamber recessed in a bottom wall of the reservoir. The outlet chamber includes an outlet for draining liquid out of th...	05/03/2005
6837264	Toilet fill valve with valve lock Various toilet valves and methods are described that provide for locking of the toilet filled in a closed state. In one embodiment, a toilet fill valve is provided having an actuating arm. The toilet fill valve is closed when the actuating arm is disposed in a first...	01/04/2005
6837256	Filler tube mounted fuel tank refueling valve A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The poppet is opened by fuel discharging from a refueling nozzle and the valv...	01/04/2005
6823889	Toilet fill valve with adjustable bowl fill flow A toilet fill valve and methods are provided. In one embodiment, the toilet fill valve includes a water inlet and a first water outlet configured to supply water to a toilet tank. The toilet fill valve further includes a bowl fill valve having a bowl fill valve inle...	11/30/2004
6810905	Propane overflow protection valve An overflow protection device includes a valve body having an inlet conduit passing vertically therethrough. The inlet conduit includes an outlet end below a valve chamber. A valve within the valve chamber is movable between and open and closed position. A float is ...	11/02/2004
6695004	Magnetic automatic stop valve A magnetic automatic stop valve formed in a container of a medical fluid administration system has one magnetic element located in a float and another magnetic element located proximate a valve seat. As the fluid level in the container decreases, the magn...	02/24/2004
6640828	Flushing apparatus and method thereof The flushing apparatus comprises a reservoir for storing liquid, the reservoir having an outlet end movable between a raised position where liquid accumulates in the reservoir, and a down position where liquid stored in the reservoir is flushed out; a cou...	11/04/2003
6615863	Toilet fill valve tank isolation A toilet fill valve (16) includes a fill tube (21) which is mounted through a hole (14) in a toilet tank wall (12), having isolating means for isolating the fill tube (21) from direct contact with the toilet tank wall (12), as well as isolating water-born...	09/09/2003
6584996	Installing a valve in a tank A fuel tank has a recess formed on the inner surface of the upper wall. A vent valve has a mounting portion extending therefrom with a resiliently deflectable disc formed thereon and a guide disc spaced from the deflectable disc. Upon insertion into the r...	07/01/2003
6484741	Fuel tank vapor vent valve assembly and method of making same A fuel vapor vent valve and method of making same for installation in an access opening of non-metallic fuel tanks. The valve body is formed of material not weldable to the tanks and an annular seal member formed of resilient material seals between the bo...	11/26/2002
6382231	Fuel cutoff valve and production method thereof A fuel cutoff valve and a method for making the same having a simpler mounting operation and excellent sealing properties are disclosed. The fuel cutoff valve includes a cover, a casing made of a different resin than the cover wherein the casing includes ...	05/07/2002
6085771	Two-stage fuel tank vapor recovery vent valve and method of making same A two-stage venting on-board refueling vapor recovery (ORVR) valve for controlling fuel tank venting to a storage canister during tank filling. A float actuated poppet has a small second stage venting hole therethrough. The poppet is mounted for relative ...	07/11/2000
5653252	Drain valve for a flush tank In a housing to be fastened to the bottom of a flushing tank, a float, which is arranged approximately centrally on a closing member mounted displaceably in the housing, is arranged under a partition extending horizontally in the flush tank. A sealing bod...	08/05/1997
5095933	Expandable float assembly for use with an accumulator An expandable float assembly is insertable through the lower valve bore in an accumulator or a hole in a tank. The assembly includes a sleeve member and a plurality of floatable arm members. The floatable arm members may be folded to a position substantia...	03/17/1992
4901753	Float assembly valve A valve assembly of non-metallic construction which requires no tools for disassembly and servicing. A plunger provided with longitudinal channels is activated by a double arm yoke which is acted upon by the float arm. Dual ports provide paired inlet stre...	02/20/1990
4830042	Liquid level control float valve A liquid level control float valve comprising a valve body having an inlet, a cap having an outlet, a drain pipe having a drain aperture, a piston member having a fluid aperture disposed in an upper plate and a disc valve disposed in the lower portion the...	05/16/1989
4781210	Replacement inlet valve assembly for a toilet tank A replacement inlet valve assembly for use in a toilet tank now having an inlet valve with a water inlet on the side. This invention has a ballcock-operated inlet flush valve with a bottom inlet and a generally S-shaped inlet conduit rigidly attached to t...	11/01/1988
4735230	Overflow valve system An overflow valve system (10) comprises a tubular housing (12) having a J-shaped pipe fitting (14) mounted therein having an injection nozzle (24) at a first pipe-fitting end (26) located in a housing bore (40) of the tubular housing near the bottom there...	04/05/1988
4590960	Hose connector adapter apparatus for evaporative cooler float valve Hose connector adapter apparatus for an evaporative cooler float valve includes an integral ferrule for sealing the float valve to the adapter and an internal hexagonally configured passageway through which the water flows and which passageway receives a ...	05/27/1986
4471798	Flushing cisterns An auxiliary float chamber is provided for use in a cistern. A float operating in the chamber controls a valve allowing water into the cistern. In the floor of the chamber there is a syphonic tube. The chamber is held to the cistern wall by means of the v...	09/18/1984
4471800	Valves A float controlled valve comprises a chamber with aligned openings, a detachable cap carrying a sealing washer on one opening and a tube arranged to move under the action of the float in the second opening with a seal ring sealing it. The sealing ring is ...	09/18/1984
4416302	Selectively foldable side inlet ballcock A horizontal water inlet tube is inwardly connected reversely through a valve within a horizontal valve housing and from the valve housing downwardly into a generally vertical water outlet tube. The valve is controlled by a valve control arm projecting ge...	11/22/1983
4278105	Spherical accumulator with buoyant float A guided-float accumulator suitable for use with a hydraulic system for an oil well blowout preventer utilizes an array of float elements of syntactic foam material. The float elements are sequentially inserted into the pressure vessel which forms the acc...	07/14/1981
4258737	Liquid level controller In a tank having an internal float there is a standpipe coupled through the tank. The standpipe conducts liquid into the tank. Equipment for controlling the level of liquid in the tank includes a valve. This valve is operated by the float. A conduit depen...	03/31/1981

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Class 137/15.26 - Float valve