Class 261/4 - On inlet

Subclass of Class 261 - Gas and liquid contact apparatus
Definition: The liquid-separating means operating on incoming liquids.
No. of patents: 32
Last issue date: 05/03/2011

Number	Title	Issue Date
7934702	High pressure humidifier A high pressure water injection humidifier includes a filtration system to filter suspended particles from an incoming water supply and provide filtered water to a high pressure pump driven by a constant speed motor, which in turn provides pressurized water to a plu...	05/03/2011
7654507	Water spike system A kit for coupling a container holding a liquid to a fluid path of a humidifier is disclosed. The kit includes a spike configured to pierce the container and to pass the liquid from the container to a vent through a tube. The vent is configured to vent gas from the ...	02/02/2010
7552914	High pressure humidifier A high pressure water injection humidifier includes a filtration system (11) to filter an incoming water supply and provide filtered water (6) to a low volume high pressure pump (12) driven by a constant speed motor (13), which in turn pr...	06/30/2009
7530552	Exhaust gas treatment device and method A device and methods related to the same are provided for the treatment of exhaust gases. An exhaust gas treatment device is provided comprising a tank, a liquid bath, and a scrubber unit, the exhaust gas being passed through the liquid bath to treat the gas of exha...	05/12/2009
7309061	Diaphragm-type carburetors The carburetor prevents an air-fuel mixture from becoming excessively lean and prevents a fuel pressure from becoming unstable, thereby making it possible to stably supply a fuel to an engine, in a diaphragm-type carburetor with a pressure regulator. A diaphragm-typ...	12/18/2007
7220355	Evaporative cooler pump strainer A strainer for a water pump includes a bottom panel and an upwardly extending side panel forming a cavity. The base of the water pump is received within the cavity and is removably secured to the filter. ...	05/22/2007
7175164	Method and apparatus for an oval carbonator A method and corresponding apparatus for an oval carbonator employ an oblong housing to provide an improved gas/water interaction area within the confines of the carbonator. The increased cross sectional area provides a larger water surface area, whereby an increase...	02/13/2007
7140600	Portable aerator A portable aerator may be operated utilizing either internal direct current power or external alternating or direct current power. The aerator includes a housing in which are mounted an aerator pump and a motor for driving the aerator pump. The motor is connected to...	11/28/2006
7097162	Carburetor with fuel vapor control A carburetor includes a body having a fuel and air mixing passage formed therein and an opening in fluid communication with the fuel and air mixing passage, a fuel metering assembly carried by the body and including a fuel metering diaphragm that defines at least pa...	08/29/2006
7066452	Humidifier with reverse osmosis filter A filtering system for use with a reservoir. The filter system includes a filter assembly capable of filtering particles sized 1.0 micrometers and larger and may, include a flow control device positioned to selectively provide fluid flow to the filter assembly. The ...	06/27/2006
6439546	Carburetor with fuel vapor control A carburetor having a plurality of restricted fluid flow paths upstream of a fuel and air mixing passage to inhibit the passage of large fuel vapor bubbles through the fuel paths and to the fuel and air mixing passage. Desirably, the restricted flow paths...	08/27/2002
6312597	Apparatus for delivering ultra-low particle counts in semiconductor manufacturing The invention relates to a wafer rinsing system for rinsing chemicals and particles off of wafers without introducing contaminants. The system reduces the particle count on wafers by filtering the water and the gas used during rinsing at the wet bench. Th...	11/06/2001
6056275	Device for introducing gas into liquids In a device for introducing gases into liquids, in particular water, at least one prefilter being incorporated into the liquid feed, followed by an atomization device with a connection to a gas supply, and at least one further postfilter being incorporate...	05/02/2000
6053482	Humidifier including a water filtration device A humidifier for vaporizing water including a base and a wick formed of a water absorbing material positionable on the base. The wick is in fluid communication with a water supply. A device is provided for moving air over the wick disposed adjacent theret...	04/25/2000
5957339	Water filtration system This invention provides an easy to carry unit that contains a water filtration and a water carbonation chamber. The water after filtration more easily absorbs CO2 and allows for a more readily provided source of filtered carbonated water. The u...	09/28/1999
5695651	Inlet screen The invention relates to the treatment of liquid waste such as sewage. The invention provides a method of screening of liquid waste to remove solid material therefrom, comprising passing the liquid waste in a downward stream through a suspended sack filte...	12/09/1997
5407604	Humidifier using a neubilizer A humidifier that can be used on a forced air circulation system for injecting atomized liquid into the cold air portion of that forced air circulation system includes a neubilizer for atomizing water fed thereto. The humidifier can be used in conjunction...	04/18/1995
5275762	Aerator An aerator comprises a centrifugal pump including a rotary impeller with a plurality of blades defining an upwardly opening, axially oriented eye, inwardly of the inner ends of the blades, the blades also defining a plurality of flow passages therebetween...	01/04/1994
5232636	Cooling tower strainer tank and screen A cooling system with at least one cooling tower and multiple upper pans or distribution manifold pipes is provided with a strainer tank assembly at the tower lower end in proximity to the sump to receive incoming fluid for cooling, which strainer tank in...	08/03/1993
5124084	Carburetor drain apparatus A carburetors drain apparatus, particularly suited for two stroke internal combustion engine applications. The drain apparatus diverts fuel contaminants away from the fuel jets to a remotely located sediment collector. The collector retains the accumulate...	06/23/1992
4793950	Carburetor water trap A water, ice and sediment trap attached to the lower portion of the fuel chamber of a carburetor for an internal combustion engine. The sediment trap receives and retain particles and fluids heavier than gasoline and stores them away from the fuel flow pa...	12/27/1988
4753663	Reduction of water solids contributions to apparent cotton dust levels through use of special water in atomizers A method of treating the water supplied for humidification of the textile processing room environment (e.g. weaving room) results in reduced apparent cotton dust concentrations, while maintaining or increasing processing efficiency. The water supplied to ...	06/28/1988
4724104	Humidifier provided with a purifier The present invention relates to a humidifier in which feed water is effectively fed into a purifier. The humidifier according to the invention comprises a ventilation tube through which the air between a valve body and the level of purified water in a hu...	02/09/1988
4690756	Apparatus for microaquaculture and pollution control Apparatus for producing and removing dissolved and particulate matter from natural bodies of water and wastewater in situ for the production of organic biomass such as feedstocks, for the removal of pollutants, nutrients, toxins and other substances, and ...	09/01/1987
4666594	Open cellular pump filter element for homogenization of air-oil mixtures An open cellular pump filter element which is utilized in an oil filter interposed between a sump and an oil pump for an automatic transmission wherein the cellular element breaks up large congregated air bubbles that normally form on a filter screen type...	05/19/1987
4631152	Humidifier A household humidifier comprising a closed water tank, a demineralizer, an air exchange pipe for introducing the outside air, a housing defining a chamber, and a coiled spring. The demineralizer has a container containing ion-exchange resin. The water tan...	12/23/1986
4604246	Combination humidifier/water distiller A combination humidifier/water distiller apparatus comprises a container for holding tap water. A heater is provided for heating tap water in the container to a vaporized state. A condenser, positioned over the container, condenses the vaporized tap water...	08/05/1986
4444696	Ultra-low-flowrate liquid distributor system Liquid distributor in packed column wherein close, long-term uniform liquid distribution pattern is desired, particularly at ultra-slow distributing flow-rates. Distributor comprised of: (1) array of spaced, enclosed, horizontal distributor tubes capable ...	04/24/1984
4388090	Air scrubber A device for removing solid impurities from air comprising a housing defining an interior mixing chamber. The solid impurity laden air is conducted to the mixing chamber so that the air enters the chamber in a first direction. Simultaneously, water is pum...	06/14/1983
4353846	Filter assembly for evaporative cooler pumps An improved water filter assembly for use with an evaporative cooler pump, the filter comprising a cylindrical filter wall, a closed base and a neoprene curtain that covers the top but opens to receive the pump impeller....	10/12/1982
4290979	Aeration apparatus Apparatus for supplying air into a liquid can be used as an aeration apparatus for a biochemical waste water treatment system operating according to an activated sludge process, for example, or as an air bubble generator to be used in a solid particle flo...	09/22/1981
4257989	Humidifier A humidifier including a misting mechanism for misting water by a ultrasonic vibrator etc. and a water feeder formed by a water storage tank and a water passage and an ion exchange resin layer disposed in the water passage to the misting mechanism....	03/24/1981

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Class 261/4 - On inlet