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| Number | Title | Issue Date |
| 7815718 | Automated particle collection off of fan blades into a liquid buffer Fan blades within a fan assembly are rotated in a first rotational direction, thereby generating airflow from above the fan blades downward past the fan blades. Airborne particles adhere to the surface of the fan blades as the air flows past. The fan direction is th... | 10/19/2010 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 7252703 | Direct contact liquid air contaminant control system The direct contact liquid air contaminant control system and method to revitalize air by removal of carbon dioxide and other trace gas contaminants use a direct contact air, liquid scrubber element and stripper element. The scrubber element has two rotor elements ro... | 08/07/2007 |
| 7115155 | Air filtration apparatus and aromatizer An air filtration and aromatizer apparatus which includes a housing, a motor in the housing with a fan for drawing air through an inlet toward an outlet through a pollution-collecting chamber, and an elongated hollow tubular perforated member having an upper end con... | 10/03/2006 |
| 7077886 | Emission control device and method of operation thereof An emission control device and a method of operation thereof removes particulates from air. The air is directed into the device after finely divided mist has been added to the air. The air is abruptly forced to change directions within the device and the added moist... | 07/18/2006 |
| 6957569 | Detection of oil in turbine engine bleed air A method of measuring the presence of oil in turbine bleed air that uses an aerosol sampler/size classifier to do a comparative measurement of the engine bleed air to the ambient air entering the engine on a real time basis by comparing quantity and size distributio... | 10/25/2005 |
| 6946022 | Scrubber and exhaust gas treatment apparatus A scrubber removes dust from an exhaust gas. The scrubber includes a casing having an exhaust gas inlet and an exhaust gas outlet, an impeller housed in the casing and supported by a shaft, and a cleaning liquid supply tube for ejecting a cleaning liquid by which th... | 09/20/2005 |
| 6884284 | Apparatus for rectification of liquid mixtures and/or for . . . An apparatus for rectification liquids and/or for scrubbing of gases has an elongated, horizontally extending, cylindrical process chamber or housing. A liquid and a gaseous phase are passed counter-currently through the apparatus. The liquid is thrown outwardly tow... | 04/26/2005 |
| 6800115 | Method and a device for gas treatment A device for treatment of a gas stream includes one or more entities (3) having functional elements (10, 20, 110, 200, 230, 310, 320, 330, 400) that are attached to, and able to rotate with, a hollow axle (4). The device also includes one or mor... | 10/05/2004 |
| 6764531 | Method and apparatus for cleaning a gas A system and method of cleaning a gas of undesired particulate, aromas, and gases of the type utilizing a centrifuge with various combinations and apparatus used to liquid wet a gas stream is provided. The gas scrubber of the present invention includes a container f... | 07/20/2004 |
| 6638343 | Exhaust gas treating device A waste gas treatment system has a primary cooling section provided at a stage subsequent to a decomposition treatment section in which a waste gas is subjected to decomposition treatment at high temperature. The primary cooling section has a liquid spray... | 10/28/2003 |
| 6530978 | System for removing particulate and aerosol from a gas stream The present invention is a system 100 for removing particulate matter and aerosols from a gas stream generated by gasification prior to the gas stream being used as fuel in an internal combustion device or as synthesis gas for subsequent processing. The p... | 03/11/2003 |
| 6402815 | Methods and apparatus for purifying air using mixing liquid Methods and apparatus for purifying contaminated air using mixed liquid are disclosed. The invention includes an air inlet structure for taking in contaminated air, an air purifying compartment connected to the air inlet structure at one end for purifying... | 06/11/2002 |
| 6361587 | Vacuum cleaner A vacuum cleaner assembly comprising a main housing, a primary filter system, and a secondary filter system. The main housing includes an inlet and an outlet. The primary filter system filters the air prior to being exhausted outwardly through the outlet.... | 03/26/2002 |
| 6312505 | Particulate and aerosol remover The present invention is a method for removing particulate matter and aerosols from a gas stream generated by gasification prior to the gas stream being used as fuel in an internal combustion device or as synthesis gas for subsequent processing. The prese... | 11/06/2001 |
| 6248156 | Particulate capture system and method of use A particulate capture system has an air circulating chamber that separates a first portion of particulates trapped within an air stream. The particulate capture system also has a water injection chamber that separates a second portion of particulates trap... | 06/19/2001 |
| 6174350 | Vacuum cleaner A vacuum cleaner assembly (10) includes a main housing (12) having an inlet (14) and an outlet (16). A motor (17a) is disposed within the main housing (12) for providing motive force to a cooling fan (17b), a blower (17c), and a separator (22). The separa... | 01/16/2001 |
| 6132493 | Apparatus and method for washing air with a liquid without an eliminator An air washer includes an upwardly-open vessel for holding an air washing liquid. An air inlet opening into the upwardly open vessel introduces air to be washed below the upper level of the air washing liquid, and a chamber above the upper level of air wa... | 10/17/2000 |
| 6010559 | Mixing apparatus for gas scrubbing systems Gases containing solubles or suspended particles are mixed with a scrubbing liquid in a mixing apparatus having a chamber with a rotatable wheel mounted therein. The gas is mixed with a scrubbing liquid by the rotating wheel which has first and second scr... | 01/04/2000 |
| 5948326 | Device and process for liquid treatment A liquid management unit uses a substantially horizontal rotor device partially submerged in a liquid so that at least a portion of a rotating component or the rotor device moves a liquid above the surface of the body of water and is then collected in a c... | 09/07/1999 |
| 5902377 | Mixing apparatus for gas scrubbing systems Gases containing solubles or suspended particles are mixed with a scrubbing liquid in a mixing apparatus having a chamber with a rotatable wheel mounted therein. The gas is mixed with a scrubbing liquid by the rotating wheel which has first and second scr... | 05/11/1999 |
| 5902224 | Mass-mass cell gas centrifuge A gas separation centrifuge is provided with a housing having a top, a bottom and a plurality of joined side walls parallel to an axis and forming a predetermined regular polygon cross-sectional shape perpendicular to the axis. A rotor is mounted for coax... | 05/11/1999 |
| 5820657 | Method and apparatus for percolating vacuum cleaning Method and Apparatus for Percolating Vacuum Cleaning wherein driven by vacuum incoming to the apparatus mixture of air and other substances is directed under the top surface of a liquid, where heavier than air particles remain, but cleaned air particles p... | 10/13/1998 |
| 5728186 | Waste gas treatment apparatus Fluid gases are stripped clean of gaseous and particulate pollutants as they pass rapidly up the stack of an industrial or electric power generation plant by a battery of rapidly rotated air foil spokes arrayed in two sets interleaved and revolving around... | 03/17/1998 |
| 5681371 | Scrubber for waste gases A waste gas scrubber includes a hollow, cylindrical atomizer, mounted for rotation about its longitudinal axis. The atomizer is partially submerged in a pool of liquid. The atomizer has relatively large openings at its two ends, and has a plurality of clo... | 10/28/1997 |
| 5679135 | Process for off-gas particulate removal and apparatus therefor In the event of a breach in the off-gas line of a melter operation requiring closure of the line, a secondary vessel vent line is provided with a particulate collector utilizing atomization for removal of large particulates from the off-gas. The collector... | 10/21/1997 |
| 5279709 | Method and apparatus for improving the control and treatment of fiber suspension flow A method and apparatus for controlling the flow of a fiber suspension having a direction of flow and a consistency from 5-25% including a treatment chamber having an axis extending in the direction of flow of the fiber suspension, a suspension inlet and a... | 01/18/1994 |
| 5092912 | Pollution abatement method The invention is an air pollution abatement system which embodies four different phases. The phases are: the primary impinger section, which removes most of the contaminants by variable density rotational impingement combined with a degreasing solution; t... | 03/03/1992 |
| 5090974 | Separator for a vacuum cleaner system A separator for use in connection with a liquid bath type vacuum cleaner system. The separator includes an annular, cup-like housing adapted to rotate axially about its vertical axis for generating a centrifugal force to be applied to intake air therein; ... | 02/25/1992 |
| 5076818 | Gas cleaning methods and apparatus Particulates, oxides of nitrogen and sulfur and other air-polluting burdens are separated and removed from gas streams to be discharged to the atmosphere in compliance with the strictest regulations by precooling, scrubbing and neutralizing and cleaning o... | 12/31/1991 |
| 5076819 | Dynamic gas-liquid contact apparatus and method An improved gas-liquid contact apparatus comprises a housing having a reservoir for retaining a liquid therein. A combined mixing and separation system functions to draw a gas over the surface of the liquid to form a mixture and then scrubs and separates ... | 12/31/1991 |
| 5009796 | Methods and apparatus for treating a mixture of particles and fluids A method and apparatus for exposing particles to a fluid including the steps of adding fluid and particles to a container having impeller means therein, generating a current with the impeller so as to subject the particles to centrifugal and convective fo... | 04/23/1991 |
| 4999302 | Biological contact gas scrubber for waste gas purification Process and apparatus is disclosed for removing pollutants from a waste gas stream comprising culturing in a rotary biocontactor a biomass capable of assimilating the pollutants and producing harmless metabolites. The waste gas stream is brought into cont... | 03/12/1991 |
| 4894069 | Method of conveying an essentially gaseous fluid through a pipe This invention comprises a device and method for producing and conveying a diphasic fluid. The method comprises mixing the gas with a liquid to produce a diphasic fluid which is forced into a pipe by diphasic fluid pumping means, the amount of the added l... | 01/16/1990 |
| 4874400 | Method of and apparatus for removing gaseous pollutants from exhaust gases A method of treating an exhaust gas stream in a spray absorber with water and suspended reactants, is disclosed by introducing the water and the reactants, which are suspended in a liquid, through separate lines and distributors into a rotary atomizing di... | 10/17/1989 |
| 4810268 | Apparatus and method of washing air An apparatus and method of washing air is illustrated wherein a plurality of circumferentially spaced nozzles are positioned for directing a wash water spray across an air flow generated by a fan positioned at the entrance end of a housing for pushing air... | 03/07/1989 |
| 4514194 | Apparatus and method for removing gaseous components and/or solid impurities present in a gaseous fluid flow Apparatus and method for removing gaseous components and/or solid impurities from a gaseous fluid flow by introducing a first scrubbing liquid into contact with the gaseous fluid flow in a pre-purification section to pre-purify the same. The pre-purified ... | 04/30/1985 |
| 4375975 | Centrifugal separator A centrifugal separator cleans a stream of fluid by passing the same through a rapidly rotating tapered duct. Rotation of the duct creates centrifugal force which causes pollutants carried by the stream to collect on a duct wall and to flow along the wall... | 03/08/1983 |
| 4317731 | Gas absorber An absorber for increasing the concentration of oxygen in a solution has a pressure chamber therein which receives oxygen under pressure as well as a liquid to be oxygenated within an upper portion thereof. A shaft on which a turbine blade agitator is mou... | 03/02/1982 |
| 4289506 | Scrubbing apparatus Methods and apparatus for scrubbing a gas with a scrubbing fluid are disclosed. The apparatus disclosed includes a rotatable scrubbing fluid impeller rotatable about an axis of rotation and a scrubbing fluid supply conduit to supply scrubbing fluid to an ... | 09/15/1981 |
