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| Number | Title | Issue Date |
| 7815719 | Ionization detector for electrically enhanced air filtration systems A system and method for ionization detection in electrically enhanced air filtration systems is described. One embodiment includes a system for electrically enhanced air filtration, the system including an electrically enhanced filter having a filter and an ionizing... | 10/19/2010 |
| 7806968 | Calibration unit for volatile particle remover A penetration and removal efficiency calibration unit for a volatile particle remover in a solid particle counting system provides an accurate and efficient approach to calibration. The calibration unit includes an aerosol inlet, a flow meter downstream of the aeros... | 10/05/2010 |
| 7785403 | Air purifier An air purifier includes a main frame, a discharging device, a dust collection device and a voltage generator. The discharging device has a discharging portion and is installed in the main frame. The dust collection device has a dust collection portion and is instal... | 08/31/2010 |
| 7615106 | Air conditioning apparatus A control device repeats first air volume control and second air volume control for a predetermined number of times irrespective of a control state at that time while forcedly driving an ion generator, when a bacteria elimination shower switch is turned on. In the f... | 11/10/2009 |
| 7594958 | Spark management method and device A spark management device includes a high voltage power source and a detector configured to monitor a parameter of an electric current provided to a load device. In response to the parameter, a pre-spark condition is identified. A switching circuit is responsive to ... | 09/29/2009 |
| 7569100 | Air purification device An electric power supply of a discharge device which generates a streamer discharge is provided with a discharge control part. By virtue of the discharge control part, the discharge electric power of the discharge device is increased or decreased depending on the tr... | 08/04/2009 |
| 7435287 | Air cleaner having separate modules for collector plates and ionizing wires An air cleaner is provided that includes one or more ionizing panels having at least one ionizing wire in connection with a voltage source. One or more collector cells separate from the one or more ionizing wire panels are releasably received within the air cleaner ... | 10/14/2008 |
| 7435288 | System for filtering particulate matter of diesel particulate filter The present invention relates to a system for effectively filtering particulate matter from exhaust gas. Exemplary embodiments of the invention provides a system for capturing diesel-powered vehicle particulate matter in exhaust gas, the system including: a detour c... | 10/14/2008 |
| 7413593 | 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 ... | 08/19/2008 |
| 7413594 | Electrical power disable in an air cleaner An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a power supply, an electrostatic precipitator cell, and a door. The door closes the electrostatic precipitator cell inside the air cleaner. The air cleaner further inclu... | 08/19/2008 |
| 7410524 | Regenerable purification system for removal of siloxanes and volatile organic carbons A process to purify biogases (i.e., landfill gas and municipal digester gas), to enable such biogases to be utilized to generate electricity and heat. Biogases from these sources generally include small amounts of organosilicons (which are particularly harmful to po... | 08/12/2008 |
| 7381245 | System for influencing and treating the air of at least one room An arrangement for treating room air has a first air quality sensor in an external air conduit of an air conditioning device. An ionization apparatus, an ozone sensor, an air humidity sensor, an airflow sensor, and at least one air temperature adjusting device are a... | 06/03/2008 |
| 7371268 | Filter with thermal vent A compressed air filtering cartridge includes a housing and a filter in the housing, the filter having a thermal vent. In one embodiment the filter includes a wall portion having a first condition when below a predetermined temperature range in which the wall portio... | 05/13/2008 |
| 7364606 | Exhaust emission control device Provided are a hollow inner electrode constituted by an electrically conductive filter capable of capturing particulates, a cylindrical outer electrode circumferentially surrounding the electrode, a housing incorporated in a flow passage of exhaust and accommodating... | 04/29/2008 |
| 7361210 | Methods and apparatuses for separating froth Methods and apparatuses are provided for separating froth into liquid and gas components. One apparatus includes a container that is configured to hold froth therein and change at least a portion of the froth into substantially separate liquid and gas portions when ... | 04/22/2008 |
| 7354473 | NBC-building protection system and method A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for... | 04/08/2008 |
| 7351274 | Air filtration system control An intense field dielectric air filtration system associated with an air conditioning unit includes a microprocessor based control system which may be connected to the thermostat of the air conditioning unit to energize the air filtration system in response to a cal... | 04/01/2008 |
| 7332019 | Air filtration system An air filtration system includable in and for HVAC equipment includes one or more intense field dielectric filter units and a field charging unit retained in a support structure or cabinet by a removable door which includes control circuitry and contactors engageab... | 02/19/2008 |
| 7323027 | Fan fixture and housing assembly containing the fan fixture A fan fixture includes a base having a chamber to receive a fan, the chamber of the base having two adjacent side faces formed with a slot and an air inlet respectively, a cover detachably mounted on the base to fix the fan in the chamber of the base and having a pl... | 01/29/2008 |
| 7300493 | Apparatus and method for controlling air cleaning Disclosed is an apparatus and method for controlling an air cleaning. The apparatus includes an air cleaning element, an AC high-voltage generator and a control unit. The air cleaning element generates negative ions and ozone using plasma discharge, and cleans indoo... | 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 |
| 7267711 | Electrostatic precipitator for diesel blow-by A compact electrostatic precipitator is designed specifically for use in connection with eliminating particles from crankcase emissions of a Diesel engine. Such emissions may carry solid soot particles as well as suspended oil droplets. The electrostatic precipitato... | 09/11/2007 |
| 7252810 | Multi-sectional system for continuous gas separation A system for separating a gaseous constituent from a gaseous mixture includes a substantially sealed passageway extending between a first exhaust port and a second exhaust port. An entry port for a gas mixture to be separated opens into the passageway. At least thre... | 08/07/2007 |
| 7244290 | Electrostatic room air cleaner An electrostatic room air cleaner includes a housing having a given profile and a plurality of electrostatic precipitation collector units arrayed in the housing with a common fan to circulate room air through the plurality of electrostatic precipitation collector u... | 07/17/2007 |
| 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 |
| 7226497 | Fanless building ventilator A ventilation system for a building is provided. The ventilation system includes a pair of passages between the interior and exterior of the building and at least one corona discharge apparatus for drawing fluid through the passages. The ventilation system may also ... | 06/05/2007 |
| 7226496 | Spot ventilators and method for spot ventilating bathrooms, kitchens and closets A spot ventilator and method for spot ventilating a localized environment of a building is provided. The spot ventilator includes a passage and at least one corona discharge apparatus. The passage extending between an inlet positioned in the localized environment an... | 06/05/2007 |
| 7182805 | Corona-discharge air mover and purifier for packaged terminal and room air conditioners An air conditioning device for heating and/or an environment is provided. The air conditioning device includes a heat exchanging apparatus, a passage, and a corona discharge apparatus. The passage is in thermal communication with the heat exchanging apparatus and ex... | 02/27/2007 |
| 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 |
| 7122070 | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow A device for handling a fluid includes a corona discharge device and an electric power supply. The corona discharge device includes at least one corona discharge electrode and at least one collector electrode positioned proximate each other so as to provide a total ... | 10/17/2006 |
| 7115153 | Electric separator with a rinsing cleaning system Electric oil separator that separates oil from an airflow of a ventilator. The separator includes an emission electrode and a collecting electrode. Moreover, the separator includes an injection device structured and arranged to inject oil as a cleaning fluid onto at... | 10/03/2006 |
| 7041157 | Filter system for spreading soot particles from a stream of exhaust gas An apparatus for separating and converting exhaust particulates from a stream of exhaust gas, especially a diesel engine, into gaseous substances, in which the exhaust gas is guided through a honeycomb filter (6) made from a porous ceramic material whose axia... | 05/09/2006 |
| 7025799 | Carburetor air flow structure Air flow from the airbox (57) to the carburetor of an internal combustion engine is regulated by a plurality of valve bodies (66) fitted with rotatable lids (77) which permit infinite adjustment of air flow between a fully closed and fully open ... | 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 |
| 7014686 | Electrostatic air cleaner An air cleaner electrode assembly includes an elongated collector electrode and a plurality of elongated discharge electrodes arranged around the collector electrode. A fan may move air in a direction parallel to a length of the electrodes. The collector electrode m... | 03/21/2006 |
| 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 |
| 6951582 | Air purifier device An air purifier device includes a fan unit in an electrically conductive housing for drawing ambient air into the housing via an air inlet, and an electrically conductive dust-collecting member in the housing and disposed adjacent to an air outlet. A detecting unit ... | 10/04/2005 |
| 6938473 | Apparatus for measuring flow amount An airflow meter has a membrane type sensor element. The sensor element is supported on a support member so that a sensing surface of the sensor element is in parallel to the airflow direction. The airflow meter has at least one means for protecting the sensor eleme... | 09/06/2005 |
| 6723146 | Blower apparatus for vehicle A blower apparatus for a vehicle for blowing air into a cabin. The blower apparatus including a case member, various units and airflow passages. The units include an air cleaning unit for cleaning the air, and a component-adding unit for adding air components such a... | 04/20/2004 |
| 6660061 | Vapor purification with self-cleaning filter A vapor filtration device including a first electrode, a second electrode, and a filter between the first and second electrodes is disclosed. The filter is formed of dielectric material and the device is operated by applying a first electric potential bet... | 12/09/2003 |
