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| Number | Title | Issue Date |
| 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 |
| 7390352 | Air purifier with front-load electrodes An air purifier with front-loading electrodes includes an electrode loading compartment for storing the plate electrodes. When the air purifier is in a closed configuration, the electrode loading compartment cooperates with the housing to fully enclose the plate ele... | 06/24/2008 |
| 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 |
| 7311756 | Fanless indoor air quality treatment An indoor air quality system for a structure is provided. The indoor air quality system includes a ventilation system and a corona discharge apparatus. The ventilation system directs air through the structure. The corona discharge apparatus is positioned within the ... | 12/25/2007 |
| 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 |
| 7261764 | System and method for spatially-selective particulate deposition and enhanced deposition efficiency The present invention relates to a methods, apparatuses and systems that utilize electric currents to direct the deposition of particulate matter to various surfaces. ... | 08/28/2007 |
| 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 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7243560 | Method and apparatus for airborne particle collection Embodiments of an apparatus for collecting biological aerosols from an air sample include a hollow tube adapted for pumping a liquid through an interior volume to an outer surface and a collection surface disposed on the outer surface and adapted for collecting the ... | 07/17/2007 |
| 7235123 | Particle transport and near field analytical detection Particle collection, transport, and detection systems are disclosed. The systems are uniquely adapted for collecting or concentrating particles from a flowing medium and then transporting the collected particles to a desired location or for subsequent analysis. Elec... | 06/26/2007 |
| 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 |
| 7208030 | Suspended particulate analyzer An apparatus analyzes components of particulate materials suspended in air. The apparatus includes a container into which the air is introduced, a discharging electrode arranged in the container to electrically charge the particulate materials contained in the air, ... | 04/24/2007 |
| 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 |
| 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 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 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 |
| 7101424 | Ionizer and use thereof in an exhaust gas purifying system for moisture-laden gases In an ionizer of an exhaust gas ionization system for ionizing moisture-laden gases in a channel comprising a nozzle plate having circular nozzle openings through which the gases are conducted, a high voltage electrode support grid arranged downstream of the nozzle ... | 09/05/2006 |
| 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 |
| 7089681 | Method and apparatus for filtering and drying a product The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of... | 08/15/2006 |
| 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 |
| 6977008 | Cleaning mechanism for ion emitting air conditioning device A cleaning mechanism for a wire electrode of an air purifier device includes a base, a post having a first end attached to the base and a second end accessible from a location external the housing, a cleaning plate assembly attached to the base, wherein the cleaning... | 12/20/2005 |
| 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 |
| 6962620 | Adjustable eddy electrostatic precipitator An adjustable eddy electrostatic precipitator, including a main body, an electrode array, an adjustable opening and a precipitating device. The main body has an inner space with an air guiding plate of helical shape, an entrance for air and an exit for air. The elec... | 11/08/2005 |
| 6958134 | Electro-kinetic air transporter-conditioner devices with an upstream focus electrode An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The conditioner includes an ion generator that has an electrode assembly including a first array of emitter electrodes, a second array of collector el... | 10/25/2005 |
| 6955708 | Air-treatment apparatus and methods Air-treatment apparatus and methods are disclosed that are especially suitable for treating the air in a room or other dwelling or working space. An apparatus embodiment of the subject apparatus includes a housing having air-intake and air-output openings. A gas-fil... | 10/18/2005 |
| 6953556 | Air conditioner devices An air conditioner includes an ion generator that provides ions and safe amounts of ozone. The ion generator includes a high voltage generator that provides a voltage potential difference between first and second electrode arrays. At least one of the first and secon... | 10/11/2005 |
| 6951580 | Method for minimizing bowing of collector plates in an electrostatic precipitator, and a collector plate-clip combination A bow-reduced precipitator collector plate assembly and an appertaining method include a precipitator collector plate that contacts a spring-like stiffening element configured to be attached to a fixed anchor or an adjacent anchoring collector plate. The stiffening ... | 10/04/2005 |
| 6926758 | Electrostatic filter An electrostatic filter (1) has a chamber (11) into which a gas stream is introduced. An ioniser (19) in the form of an electrode array (20) is located in the chamber (11) and creates an ionising zone through which the gas stream p... | 08/09/2005 |
| 6918951 | Disc-type air filters An air filter includes a stack of filter discs formed with contacting faces having surface formations defining filtering passageways between adjacent discs for removing solid particles from the air passing through the stack. The filter discs in the stack further inc... | 07/19/2005 |
| 6919698 | Electrostatic fluid accelerator for and method of controlling a fluid flow An electrostatic fluid accelerator includes a first number of corona electrodes and a second number of accelerating electrodes spaced apart from and parallel to adjacent ones of the corona electrodes. An electrical power source is connected to supply the corona and ... | 07/19/2005 |
| 6911186 | Electro-kinetic air transporter and conditioner device with enhanced housing configuration and 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... | 06/28/2005 |
| 6908501 | Electrode self-cleaning mechanism for air conditioner devices An air conditioner with a cleaning member having an opening, through which a wire-like electrode passes. The member is moved along the wire to frictionally clean the wire-like electrode when a collector electrode array is moved. A lifting arm is mounted to the colle... | 06/21/2005 |
| 6905537 | Machine and process for filterless removal of particles and organisms from ambient air, carpets and furnishings A machine and process for filterless wet removal of particles from air, carpets or upholstery, comprised of a suction inlet pipe or other contained conveyance for drawing particle laden air and solvent fluid simultaneously into an impeller, an injection orifice for ... | 06/14/2005 |
| 6773488 | Electrostatic filter and a method thereof A filter system with a housing defining a passage between an inlet and an outlet and one or more structures located in the passage in the housing. Each of the structures comprises two or more layers of insulating materials with an imbedded fixed charge located at at... | 08/10/2004 |
| 6761752 | Gas particle partitioner A gas particle partitioner (GPP) removes particles from an aerosol with high efficiency and with no or minimum changes to the thermodynamic conditions and chemical composition of the gas phase of the aerosol. A permeable grid electrode surrounds a corona wire and se... | 07/13/2004 |
| 6736878 | Precipitator extraction method and system An dry horizontal flow electrostatic precipitator wherein a portion of the gas flow passing through the precipitator is extracted from the upper portion of the casing, such extraction flow having a lower particle concentration than gas flow at the bottom portion of ... | 05/18/2004 |
| 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 |
| 6656248 | Method and apparatus to clean air The invention relates to a method to clean air for separating materials in the form of particles and/or droplets from a gas flow. The gas flow is directed through a collection in which the outer walls are grounded, and in which high voltage is supplied to... | 12/02/2003 |
| 6436170 | Process and apparatus for removing particles from high purity gas systems An apparatus for removing particles from a gas in a high purity flowing gas system is provided which includes a flow tube inserted inline in the flowing gas system having an inlet and an outlet, a pressure sealed, electrically insulated feed-through integ... | 08/20/2002 |
