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| Number | Title | Issue Date |
| 7914604 | Air conditioning system with modular electrically stimulated air filter apparatus An air conditioning system includes an air flow pathway extending through a housing from an inlet to an outlet. Air conditioning apparatus is disposed in the airflow pathway between the inlet and the outlet conditioning an air stream passing through the air flow pat... | 03/29/2011 |
| 7704300 | Device and a method for cleaning of a gas The invention refers to a device and a method for cleaning a gas containing particulate impurities. The device includes a main separator having an inlet for the gas, an outlet for the gas and a rotating member provided between the inlet and the outlet. The rotating ... | 04/27/2010 |
| 7524357 | Self-contained electrostatic air/oil separator for aircraft engine An air/oil separator for use in a gas turbine engine includes a centrifugal separation stage in fluid communication with a downstream electrostatic separation stage. The centrifugal separation stage rotationally drives an electric generator to power the electrostati... | 04/28/2009 |
| 7368003 | Systems for and methods of providing air purification in combination with odor elimination Systems for and methods of providing air purification and cleaning in combination with odor elimination in a single unit, such as a tabletop unit for home or office use, are disclosed. The air cleaning device includes a housing, an air intake port, an air movement m... | 05/06/2008 |
| 7316729 | Air cleaner with improved airflow An air cleaner is provided according to an embodiment of the invention. The air cleaner includes an air duct including an inlet end and an outlet end, a pre-filter positioned at the inlet end, an electrostatic precipitator positioned in the air duct downstream of th... | 01/08/2008 |
| 7316735 | Dust collector An apparatus, which collects particulate matter contained in a gas flowing through a flow path formed in a cylindrical shape having an outer surface and an inner surface, includes: an outer shell that forms the outer surface of the flow path; a ground electrode that... | 01/08/2008 |
| 7300495 | Utilization of high permeability filter fabrics to enhance fabric filter performance and related method A flue gas treatment system for a fossil-burning power plant having a fuel source and a boiler includes a barrier filter downstream of the boiler, the barrier filter including an electrostatically-stimulated fabric filter utilizing high-permeability fabric, having a... | 11/27/2007 |
| 7294169 | Electrical enhancement of fabric filter performance A method for operating a filter assembly having a filter medium includes applying a constant or nearly constant static DC potential to dust entering the filter assembly and the filter medium, passing dust-laden gas through the filter medium in a first direction thro... | 11/13/2007 |
| 7258729 | Electronic bi-polar electrostatic air cleaner An electro-mechanical electrostatic air cleaner that combines a low air resistance dielectric fibrous filter material positioned between and electrically charged by two electrically resistant carbon coated screens. The screens are charged by a remotely mounted bi-po... | 08/21/2007 |
| 7258723 | Particulate filter assembly and associated method A particulate filter assembly includes an electrode assembly, a particulate filter positioned in an electrode gap defined between two electrodes of the electrode assembly, a power supply electrically coupled to the electrode assembly, and a controller for controllin... | 08/21/2007 |
| 7252701 | Method of cleaning electric filter and electric filter The invention relates to a method of cleaning an electric filter and to an electric filter. In the method gas containing particles is fed to a chamber (2) of the electric filter. The gas is further fed to gas channels (5) in an emission system (3 | 08/07/2007 |
| 7235120 | Electrostatic aerosol filtering apparatus A battery (16) drives an electric motor (17) which in turn drives a fan (18). A circuit board (20) controls the operation of the motor and fan to maintain the flow rate. Air is drawn through an inlet (22) and out through a vent ( | 06/26/2007 |
| 7212393 | Air ionization module and method An air ionizing module and method for generating ions of one and opposite polarities within a flowing stream of air or other gas includes a thin-filament electrode mounted within the flowing stream in regions thereof of maximum flow velocity. The thin-filament elect... | 05/01/2007 |
| 7189291 | Method for the removal of airborne molecular contaminants using oxygen gas mixtures The present invention discloses a method for the removal of a number of molecular contaminants from surfaces within a device. A purge gas containing oxygen and/or water is introduced into the interior of the device, contacting at least a portion of the interior surf... | 03/13/2007 |
| 7175695 | Apparatus and method for enhancing filtration Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge... | 02/13/2007 |
| 7160363 | Electrostatic filter construction This publication discloses an electrostatic filter construction, which includes electrodes connected to a first electrical potential, second electrodes, which are electrically insulated from the first electrodes, and an insulating material acting as a particle filte... | 01/09/2007 |
| 7160358 | Pollution control in wood products dryer Contaminant laden gas streams from wood product dryer operations, and other sources, are purified. The gas stream first is saturated with moisture by contacting the gas stream with fine liquid droplets which entrain particulates. The gas stream then is subjected to ... | 01/09/2007 |
| 7156902 | Wet electro-core gas particulate separator A gas separation apparatus combines the technologies of electrostatic precipitators and centrifugal particle separators into a single unit. At an inlet into the gas separation apparatus, a water spray is introduced into the gas stream. The water spray may include va... | 01/02/2007 |
| 7156897 | Anti-infection and toxin elimination device The invention provides an apparatus for removing airborne pathogens and toxic substances from a surface of an article or a volume of air, comprising: a main processing chamber having a door for ingress to and egress from the main processing chamber, at least two hig... | 01/02/2007 |
| 7156898 | Low pressure drop deep electrically enhanced filter A method and apparatus using deep pleated filters to provide efficient and safe electrically enhanced filtering (EEF), with ultra low pressure drop, higher efficiency of particulate removal and higher dirt holding capacity over the life of the filter. An EEF may be ... | 01/02/2007 |
| 7146797 | Exhaust gas purification system An exhaust gas purification system including a catching reactor for attracting particulate matters in an exhaust gas from an engine by electrostatic force, a main exhaust path and an auxiliary exhaust path provided on the exit side of the catching reactor, a PM filt... | 12/12/2006 |
| 7141098 | Air filtration system using point ionization sources A filtration system for filtering particulates from air. A plurality of point ionization sources are positioned in the proximity of the periphery of an air flow channel and being oriented to generate ions in the proximity of the air flow channel in a direction gener... | 11/28/2006 |
| 7112236 | Multistage space-efficient electrostatic collector A multistage space-efficient electrostatic collector cleans a gas flowing therethrough along a gas flow path having a first stage provided by a first corona discharge zone along the gas flow path, and a second stage provided by a second corona discharge zone along t... | 09/26/2006 |
| 7105034 | Cyclone-type dust collecting apparatus for vacuum cleaner Disclosed is a cyclone-type dust collecting apparatus for a vacuum cleaner, that includes a cyclone body having an air inlet port and an air outlet port, for forming a vortex current of air which is introduced through the air inlet port and contains dust, a dust col... | 09/12/2006 |
| 7101422 | Polarity reversing circuit for electrostatic precipitator systems A gas separation apparatus using electrostatic precipitators and mechanical rappers is enhanced by the addition of an opposite polarity refreshing power supply and a switching arrangement. The switching components selectively disconnect the primary power supply and ... | 09/05/2006 |
| 7090717 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which improves the charging efficiency for dust particles using multi-directional discharge and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ionizer includes... | 08/15/2006 |
| 7065898 | Module for transferring a substrate A module for transferring a substrate includes a load port for supporting a container to receive a plurality of substrates, a substrate transfer chamber disposed between the load port and a substrate process module, a substrate transfer robot disposed in the substra... | 06/27/2006 |
| 7063733 | Filter member A filter member which comprises one layer of deodorizing filter 1, which is composed of a reticulated filter substrate and a deodorizing agent adhering to the surface of its skeletons, and one or two layers of dust collecting filter 2a and 2 | 06/20/2006 |
| 7048780 | Air purifier An air purifier has a simply manufactured and assembled ionizer, which increases the charging efficiency for dust particles through maximally increased discharge spaces and prevents electrical accidents. The air purifier includes an ionizer and a collector. The ioni... | 05/23/2006 |
| 7048787 | Air cleaner An air cleaner has an electron generator that includes a pointed head, a collector element and an electric circuit included in the electron generator for generating a negative potential on the pointed head and a positive potential on the collector element. The point... | 05/23/2006 |
| 7041153 | Method of measuring floating dusts In a method of measuring particles floating in an atmosphere, the atmosphere containing the particles is sucked into a container, ions are generated from a discharge electrode disposed in the container to charge the particles with the ions. A dust-collecting electro... | 05/09/2006 |
| 7029520 | Dust collecting apparatus for an air conditioner A dust collecting apparatus for an air conditioner, including an ionizer to electrically charge dust particles in air; and a metal filter having fine metal fibers, disposed at a predetermined distance from a back of the ionizer, the metal filter having a polarity op... | 04/18/2006 |
| 7025806 | Electrically enhanced air filtration with improved efficacy A filter assembly particularly useful in electronically enhanced air cleaning systems including a fibrous filter media. A conductive electrode is affixed to the fibrous filter media, so that the conductive electrode makes physical contact to the fibrous filter media... | 04/11/2006 |
| 7022166 | Electrostatic dust separator The invention relates to an electrostatic dust separator for horizontal gas throughflow, with a housing which is substantially rotationally symmetrical in relation to a central housing axis, with a tubular inlet port flaring in a single conical section up to 80 to 9... | 04/04/2006 |
| 7008469 | Portable air filtration system utilizing a conductive coating and a filter for use therein A portable air filtration system includes a filter housing having an air inlet and outlet. The housing defines a filtration chamber between the inlet and outlet. The air filtration system uses an intake fan, an ionizing mechanism, a filter media, and a conductive co... | 03/07/2006 |
| 7001447 | Polarity reversing circuit for electrostatic precipitator system A gas separation apparatus using electrostatic precipitators and mechanical rappers is enhanced by the addition of an opposite polarity refreshing power supply and a switching arrangement. The switching components selectively disconnect the primary power supply and ... | 02/21/2006 |
| 6980434 | Computer fan assembly mechanism having filtering and sterilizing functions A computer fan assembly mechanism having filtering and sterilizing functions comprises a fan body. An air passageway is formed at a hollow portion in the fan body. The air passageway has an intake and an air vent, which corresponds to the fan, is located on the fan ... | 12/27/2005 |
| 6974494 | Apparatus and method using an electrified filter bed for removal of pollutants from a flue gas stream Pollutants in a flue gas stream from a dryer of products, such as wood chips, are removed by a pollution abatement system that includes an electrified filter bed unit for removing solid particulates. To prevent deteriorated operation of the electrified filter bed un... | 12/13/2005 |
| 6974560 | Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The airflow is subjected to UV radiation from a germicidal lamp within the device. The conditioner includes an ion generator that has an electrode ass... | 12/13/2005 |
| 6964698 | Gas supply for electrostatic filter and electrostatic filter arrangement The invention relates to a gas supply for an electrostatic filter and an electrostatic filter arrangement which has an electrostatic filter and a gas supply. Here, the gas supply has an incoming flow channel of constant cross-sectional area, a gas inlet hood with cr... | 11/15/2005 |
