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| Number | Title | Issue Date |
| 7360545 | Dishwasher A dishwasher having an improved valve assembly is disclosed. The dishwasher includes a housing, a tub provided in the housing, an injector assembly for injecting water onto tableware positioned in the tub, and an inlet valve assembly. The inlet valve assembly includ... | 04/22/2008 |
| 7040343 | Valve assembly with low gas level signaling and controlling function A valve assembly with low gas level signaling and controlling function includes a primary valve threadedly engaged with an outlet of a tank, the primary valve being formed with a recess in which is fitted a plunger having an upper end extending upwardly through the ... | 05/09/2006 |
| 6962163 | Dual-float snap-action flush valve A liquid level control apparatus for a flush tank includes a valve mechanism communicating with a fill tube and operable between open and closed conditions, two floats, at least one of which is coupled to the valve mechanism for closing it when the at least one floa... | 11/08/2005 |
| 6953050 | Float, particularly for level control in bottles of liquefied gas and the like A float, particularly for level control in bottles of liquefied gas and the like, comprising a float body associated with an element for connection to a valve unit, the float body being constituted by an internally hollow element made of plastics whose shape is defi... | 10/11/2005 |
| 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 |
| 6848465 | Dual-action vent check valve A dual-action vent check valve is disclosed. The valve includes a first check valve which is responsive to elevated fluids inside the valve. A second check valve is responsive to elevated fluids external to the valve. The first check valve prevents overflow from a v... | 02/01/2005 |
| 6739584 | Float apparatus of carburetor To prevent a fuel liquid surface within a float chamber from rising when a liquid surface change occurs to make a float rotate so that a float valve opens a valve seat hole, a first float (F3) is arranged in one outer side from one end (F4) of the bear... | 05/25/2004 |
| 6712944 | Gas/liquid phase separator for electrolysis cell A gas/liquid phase separator for an electrolysis cell includes a vessel and a float in operable communication with each other. The vessel includes a fluid inlet and first and second fluid outlets. A fluid stream comprising gas and liquid is received in the vessel th... | 03/30/2004 |
| 6675398 | Diverter for use with tank valves to direct flow to tank or rim A diverter valve for selectively passing water from a ballcock valve directly to a water storage tank or to the rim of a toilet. It includes a diverter plunger which places a deflector into the path of water from the ballcock, and a float which removes th... | 01/13/2004 |
| 6551504 | Valve for a fluid treatment system A valve in a fluid treatment system adapted for controlling the flow of fluid between a source and a treatment media disposed in a treatment chamber. The valve includes a housing having a fluid passageway between an inlet and an outlet; a containment cham... | 04/22/2003 |
| 6546819 | Apparatus for sampling fluid from reactor vessel A fluid-sampling apparatus is disclosed. The apparatus includes a valve assembly, an overflow chamber assembly, a vacuum assembly and a sample bottle mounting assembly in particular arrangements. In certain preferred embodiments the overflow chamber assem... | 04/15/2003 |
| 6347640 | Multifunctional valve for a vehicle tank According to the invention, in the case of a multifunctional valve for a vehicle container, comprising a first opening which can be closed by means of a first closing body as a function of the filling level of the container and is intended for ventilating... | 02/19/2002 |
| 6336467 | Float and valve assembly for accumulator An improved float and valve assembly for a liquid-gas accumulator including a buoyant float having a density selected in accordance with the working pressure, a float which can be lengthened or shortened, and friction and drag is reduced by optimizing the... | 01/08/2002 |
| 6332475 | Filling stop valve A stop valve to terminate flow of liquid there through when the level of the liquid reaches a desired level in a container. The stop valve includes a master diaphragm valve (38) to regulate the flow of liquid through the valve and a pilot diaphragm valve ... | 12/25/2001 |
| 6263905 | Automatic regulating valve apparatus An automatic regulating valve apparatus comprises a main valve unit, and a pilot valve unit operatively connected to the main valve unit to control the main valve unit. The main valve unit comprises a main valve casing, a main valve element disposed in th... | 07/24/2001 |
| 6213986 | Liquid flow rate control device A fluid flow rate control device, especially adapted for controlling the flow of IV fluid to a patient, comprises a first vented fluid chamber having an upper fluid inlet end with a hollow spike which enables fluid connection with a conventional fluid con... | 04/10/2001 |
| 6131605 | Automatic drain for freight container A container having a floor with an upper inner face and a lower outer face is provided with a drain having a tubular housing extending between the faces and a partition formed with a hole, subdividing the housing into an upper compartment and a lower comp... | 10/17/2000 |
| 6129836 | Two-chamber fluid control valve and water softener incorporating same A two-chamber fluid control valve for a water softener system is provided. The valve includes a primary chamber having a primary inlet for passage of a primary fluid into the primary chamber and a primary outlet for passage of fluid out of the primary cha... | 10/10/2000 |
| 6129110 | Fluid level management system A fluid level management system for controlling a fluid level contained within a reservoir housing is described. The fluid level management system utilizes two separate predetermined fluid levels, a first and a second spaced below the first, to create a f... | 10/10/2000 |
| 6089258 | Float valve assembly for a water purification system An improved float valve assembly is provided for regulating water inflow to a purification module of a water purification system, such as a reverse osmosis purification module or the like. The float valve assembly is mounted within a reservoir for receivi... | 07/18/2000 |
| 6076547 | Device for operating a mechanism of a rinsing fixture The invention concerns a device for operating a mechanism (5) of a rinsing fixture, in particular for operating a closing and opening mechanism or a locking mechanism of a rinsing fixture. It shows a float (28) and a first hydraulic or pneumatic force mea... | 06/20/2000 |
| 6062255 | Float valve assembly for a water purification system A float valve assembly is provided for regulating water inflow to a purification module of a water purification system, such as a reverse osmosis purification module or the like. The float valve assembly is mounted within a reservoir for receiving and sto... | 05/16/2000 |
| 6021807 | Water refilling control mechanism for a water tank A water refilling control mechanism for a water tank comprises a main float sliding along an inlet pipe and further having an extruder located at the bottom thereof for connecting with an extension bar and further connecting to a supporting bar and a wate... | 02/08/2000 |
| 6012481 | Constant-level fluid supplier A constant level of fluid (8 or 106) in vessel (1 or 104) is maintained using a reservoir (5 or 102) and a tank (4 or 101). Float valves (9 or 107) which raise and lower with the level of fluid in the reservoir are used to selectively close off fluid pass... | 01/11/2000 |
| 5916489 | Float for carburetors A float of synthetic resin for carburetors includes a base having a mounting portion for mounting the float in a float chamber; two float parts arranged opposite to each other, swinging in accordance with an amount of fuel in the float chamber; and an arm... | 06/29/1999 |
| 5915408 | Float valve assembly A float valve assembly has a liquid passage with upper and lower ends opening to upper and lower liquid receiving spaces, valve seats about the upper and lower ends of the passage, and upper and lower float valves within the spaces movable into and from s... | 06/29/1999 |
| 5887614 | Overfill prevention device for storage tanks An overfill prevention device for storage tanks includes an elongate tubular housing having a liquid flow passageway. A normally open main valve and a normally closed vapor retaining bleed valve are associated with the fluid passageway. Closure of the mai... | 03/30/1999 |
| 5814213 | Skimming apparatus An improved skimming apparatus for skimming a two component liquid includes a housing mounted to a tank below the normal liquid level for the tank, an outlet for pumping fluid from the submerged housing and an intake structure extending upwardly from the ... | 09/29/1998 |
| 5790991 | Apparatus for automatically regulating water level in a swimming pool Apparatus for monitoring and controlling the level of water in a swimming pool includes a vertically elongated vessel partially-buried below the pool water level at a location close to the return line from the filter to the pool inlet, a connector pipe ex... | 08/11/1998 |
| 5715856 | Liquid flow control apparatus A liquid flow control apparatus (5) suitable for handling milk from a milking machine, comprising a first chamber (10) that comprises an inlet (11) for the milk, an outlet (12) for connecting to a vacuum pump, and an outlet (14) for the milk to flow by gr... | 02/10/1998 |
| 5567283 | Caustic concentration regulator for chlorine generators An electrolytic chlorine gas generating system is disclosed. The system includes an electrolytic cell generating the chlorine gas, a brine tank supplying saturated brine to the anode compartment of the cell, and an acid feed tank containing hydrochloric a... | 10/22/1996 |
| 5518024 | Overfill prevention device for storage tanks An overfill prevention device for storage tanks includes an elongate tubular housing having a liquid flow passageway. A normally open main valve and a normally closed vapor retaining bleed valve are associated with the fluid passageway. Closure of the mai... | 05/21/1996 |
| 5464037 | Level control valve arrangement and water closet cistern There is disclosed a level control valve arrangement preferably for use in a water closet cistern for controlling the liquid level in the cistern or container. The arrangement has a liquid inlet (3) feeding an inlet chamber (1) and a movable valve member ... | 11/07/1995 |
| 5445143 | Humidifier with dual float valves A humidification chamber for a respiratory humidifier water is maintained by the use of floats which actuate valves to control the passage of water through a water inlet. Two floats are each provided with actuating mechanisms to separately control the res... | 08/29/1995 |
| 5388622 | Automatic shutoff valve A two-stage float actuated shut-off valve for use in underground fuel storage tanks utilizes a drop tube coaxially mounted within the storage tank fill pipe. Fuel flowing into the tank is passed through the drop tube which projects downwardly into the int... | 02/14/1995 |
| 5365970 | Gravity flow chemigation system and low level shutoff valve A gravity flow chemigation system (10) is disclosed which generally consists of chemical supply tank (37), in which chemical (29) is contained, a supply line (37) connected to the bottom of chemical supply tank (36), and a low-level shutoff valve (11) sus... | 11/22/1994 |
| 5351713 | Effect-enhancing structure for rinsing a flush toilet An effect-enhancing structure for rinsing a flush toilet includes a plurality of sets of a water-supply device and a floating ball, a trunk duct conducting water into a water case, a distributing duct set transversely and connected to the trunk duct, stop... | 10/04/1994 |
| 5313979 | Fountain faucet A fountain faucet is comprised of a housing defining a water chamber and having an inlet communicating the water chamber and an outlet communicating the water chamber through an opening, a float valve disposed in the water chamber and movable between valv... | 05/24/1994 |
| 5303728 | Water conservation system A water conservation system for toilets is provided. The system comprises an auxiliary water supply including a storage tank for collecting and storing recycled or gray water and a water line hydraulically connecting the storage tank to a toilet tank. A d... | 04/19/1994 |
| 5277218 | Shower water recycling apparatus A delivery conduit operative through a valve member directs fluid selectively from the shower conduit to a storage tank in operative communication with a commode, wherein the storage tank permits selective use of water from a primary conduit or from the d... | 01/11/1994 |
