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| Number | Title | Issue Date |
| 7329308 | Air handling and chemical filtration system and method The present invention relates to systems and methods for controlling humidity and temperature in gases or air streams used in semiconductor processing systems. These systems and methods can be used in combination with systems and methods for contaminant detection an... | 02/12/2008 |
| 7192469 | Exhaust treatment device, system and methods for internal combustion engines A device, system and methods related to the same are provided for the treatment of exhaust gases from internal combustion engines. An exhaust treatment device is provided comprising a chamber containing a liquid bath through which exhaust gases are directed for remo... | 03/20/2007 |
| 7178350 | Determination of maximum allowable humidity in indoor space to avoid condensation inside building envelope Known psychometric characteristics of air are employed to achieve accurate indoor relative humidity control to prevent condensation inside a building envelope without complex mathematical computational requirements. An HVAC system control includes a simple control a... | 02/20/2007 |
| 7125007 | Method and apparatus for reducing air consumption in gas conditioning applications A control system for adjusting the desired air pressure provided to one or more spray nozzles disposed to receive liquid and compressed air adjusts the amount of compressed air supplied to the spray nozzle based on various sensed operating parameters of the system. | 10/24/2006 |
| 6874770 | High flow rate bubbler system and method A high flow rate bubbler system and method are provided for producing a stable, easily controllable source of chemical vapors to a downstream process. The bubbler system is equipped with a vaporizer unit connected to its gas outlet tube. This vaporizer unit slows th... | 04/05/2005 |
| 6841138 | Method and device for temperature reduction of exhaust gas by making use of thermal water A system for reducing the temperature of exhaust gas in an incinerator or boiler equipment having an exceedingly small size and avoiding any difficulties caused by damage to the wall surface of a gas cooling chamber due to adherence of sprayed water droplets and dep... | 01/11/2005 |
| 6712343 | Method and device for temperature reduction of exhaust gas by making use of thermal water A system for reducing the temperature of exhaust gas in an incinerator or boiler equipment having an exceedingly small size and avoiding any difficulties caused by damage to the wall surface of a gas cooling chamber due to adherence of sprayed water droplets and dep... | 03/30/2004 |
| 6293787 | Method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant A cement production plant and method of regulating the flue gas temperature in a cement production plant. The cement production plant includes a kiln, a flue gas conditioning device, a mill and an electrostatic precipitator. The flue gas from the kiln is ... | 09/25/2001 |
| 6059866 | Air washer Washer media are disposed in an air inlet and an air outlet of a water spray chamber. A basic unit is formed by first stage nozzles from which spraying water that reaches the inlet washer media is sprayed in the reverse direction to an air flow; a water s... | 05/09/2000 |
| 5840100 | Apparatus for purifying hot flue gas and for receiving thermal energy therefrom Particulate-containing hot flue gas flows are flowed into a boiler having a first and a second chamber. The first chamber has a gas side and a water side. The hot flue gas flows into the gas side of the first chamber which is in heat exchange relation wit... | 11/24/1998 |
| 5658361 | Apparatus for purifying hot flue gas and for recovering thermal energy therefrom Particulate-containing hot flue gas flows are flowed into a boiler having a first and a second chamber. The first chamber has a gas side and a water side. The hot flue gas flows into the gas side of the first chamber which is in heat exchange relation wit... | 08/19/1997 |
| 5620503 | Humidifier and method for humidifying air A humidifier system includes a spray apparatus in a housing which sprays a mist of water droplets onto a mist eliminator to intercept the mist of water droplets. The mist of droplets is captured in a liquid phase by the mist eliminator and is substantiall... | 04/15/1997 |
| 5551965 | Apparatus for separating and removing a dangerous substance from an exhaust gas In order to separate and remove a dangerous substance such as yellow phosphorus from exhaust gas generated in a semiconductor fabricating process by chemical vapor deposition, the exhaust gas is bathed in operating oil of a cooled oil tank of an oil-seale... | 09/03/1996 |
| 5395408 | Chimney smoke scrubber A chimney smoke scrubber adapted for domestic use includes a chimney cap enclosure secured atop the chimney or flue pipe of a combustion unit. A blower is connected to the chimney cap enclosure to draw smoke and combustion gases from the enclosure and del... | 03/07/1995 |
| 5358540 | Exhaust cleaner for filter hoods An exhaust cleaner includes a water trough installed in the exhaust piping of a filter hood through which exhaust gas from the filter hood passes, a water heater controlled to heat water in the water trough, a chemical detergent added in water in the wate... | 10/25/1994 |
| 4898600 | Apparatus for recovering high temperature blast furnace gas A method and apparatus for recovering blast furnace gas for utilizing in a power plant such as an electric power generator employs a plurality of cooling arrangements. The cooling arrangments includes a first arrangement located upstream of a dust-removal... | 02/06/1990 |
| 4806148 | Apparatus for biological treatment of waste gases An apparatus for removal of malodorous and/or toxic components from wast gases by biological treatment of the same. Such removal is accomplished by passing the gas stream through a humidifying temperature conditioning section and then through a filter bed... | 02/21/1989 |
| 4642127 | Method for cooling blast furnace gas in an heat recovery system A method and an apparatus for cooling blast furnace gas for use in a blast furnace gas treating system having incorporated therein a coarse particle removing unit having a dust collecting box. Nozzles extend through the box as arranged circumferentially t... | 02/10/1987 |
| 4588425 | Humidifier A humidifier for pulmonary assistance systems which includes a transparent housing with an air passage extending therethrough and water reservoir. The passage includes a convergent-divergent section separated by a narrow throat. A narrow channel connectin... | 05/13/1986 |
| 4276064 | Fire control system for spray booth A system is provided for extinguishing accidental fires in paint spray booths of the type wherein oil is used as the medium for eliminating extraneous paint mist and overspray, said system providing control over both the oil and the medium used for exting... | 06/30/1981 |
| 4212656 | Smoke scrubbing apparatus A smoke scrubbing system is provided to remove both solid particulate and soluble acidiferous gas contamination from power station and incinerator smoke stacks. In use it comprises a series of consecutive hydration chambers wherein the stack gas is treate... | 07/15/1980 |
| 4200442 | Apparatus for neutralizing and purifying air An apparatus for neutralizing and purifying air comprises an air filter, a preliminary drier, two alternately operable driers, a turbine for moving the air, a cooling unit, a heating unit, a moistening unit, at least one conditioner, and connecting means ... | 04/29/1980 |
| 3951625 | Air conditioning apparatus Air conditioning apparatus ventilates room air with environmental air after the environmental air has been filtered, heated and humidified to appropriate levels. Environmental air is drawn into an intake duct, is passed successively through an air filter,... | 04/20/1976 |
