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| Number | Title | Issue Date |
| 7356987 | Exhaust gas recirculation system having an electrostatic precipitator An exhaust gas recirculation system for a power source, has at least one inlet port configured to receive at least a portion of a flow of exhaust produced by the power source. The exhaust gas recirculation system also has an electrode disposed upstream of the at lea... | 04/15/2008 |
| 7261766 | Supersonic fluid separation enhanced by spray injection The separation of liquid and/or solid components from a multiphase fluid stream passing through a supersonic fluid separator is enhanced by injecting a surface active agent into the fluid stream passing through the separator. Preferably the spray is injected via an ... | 08/28/2007 |
| 7175812 | Automatic sampler and needle for the same The surface of a needle for collecting samples is coated with a coating material lower in chemical activity than a base metal of the needle. More specifically, the surface of the needle may be coated with a layer of gold or platinum. Alternatively, the surface of th... | 02/13/2007 |
| 7054130 | Apparatus and method for improving uniformity and charge decay time performance of an air ionizer blower An air ionizer blower includes a voltage source, an air inlet, an air outlet, an air mover, at least one electrode and a straightening vane. The air mover is configured to cause air to flow into the air inlet and out of the air outlet, thereby creating an air flow. ... | 05/30/2006 |
| 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 |
| 6899748 | Method and apparatus for removing contaminants from gas streams A method and apparatus for removing contaminants from gas streams. A first step involves selecting a contaminant to be removed from a gas stream and determining a characteristic ionizing energy value required to selectively ionize the selected contaminant with minim... | 05/31/2005 |
| 6875257 | Particle filter for microelectromechanical systems A particle filter for microelectromechanical systems is provided that includes a particle trap formed on a substrate material. The particle trap includes an array of multidimensional geometric structures in an adjacent relationship. The geometric structures further ... | 04/05/2005 |
| 6508982 | Air-cleaning apparatus and air-cleaning method An air-cleaning apparatus and air-cleaning method whereby air is cleaned with an air flow containing ions and ozone generated by corona discharge. The apparatus has a wind tunnel part including a trumpet-shaped member (3) having an opening at the bottom t... | 01/21/2003 |
| 6368392 | Electric dust collecting unit In a disclosed electric dust-collecting unit, needle electrodes face laterally against openings, so that a person in charge of replacement or maintenance/inspection of the electric dust-collecting unit can be prevented in safety from being injured on his ... | 04/09/2002 |
| 6312507 | Electro-kinetic ionic air refreshener-conditioner for pet shelter and litter box A hand-holdable electro-kinetic electro-static ionic air refreshener-conditioner for a pet shelter or litter box includes a self-contained ion generator that provides electro-kinetically moved air with ions and safe amounts of ozone. The ion generator inc... | 11/06/2001 |
| 5922111 | Electrostatic precipitator An electrostatic precipitator for removing fine particles from gas is described. The precipitator includes an array of dust collection pipes, each negatively charged and serving as an electrode. Each pipe has a pin-like positively charged discharge electr... | 07/13/1999 |
| 5484473 | Two-stage electrostatic filter with extruded modular components particularly for air recirculation units A two-stage electrostatic filter is provided for air recirculation units. The filter includes at least one ionization stage (100) formed by parallel facing walls, in which a high-potential electrode (50) is located, and at least one precipitation stage (2... | 01/16/1996 |
| 5407469 | Improved air ionizing apparatus An improved air ionizing apparatus that may be used as part of an air filtering system. The apparatus consists of an air passageway with at least one negatively charged ionizing member therein and a conductive strip, positively charged with respect to the... | 04/18/1995 |
| 5254155 | Wet electrostatic ionizing element and cooperating honeycomb passage ways A wet electrostatic precipitator device is provided which has a plurality of hexagonal honeycomb collector passage ways, a corresponding mating plurality of stationary rod elements to be centrally located at axes of each said hexagonal honeycomb collector... | 10/19/1993 |
| 4725289 | High conversion electrostatic precipitator An electrostatic precipitator with an inlet and outlet duct having corona forming discharge electrodes to ionize the particulate in the gas stream, and multi-lateral stages of collecting zones to collect particulate from the gas stream by impingement and ... | 02/16/1988 |
| 4481017 | Electrical precipitation apparatus and method An electrostatic precipitator having improved collection efficiency for suspended particles having either high or low electrical resistivities is provided. The precipitator utilizes porous collecting surfaces which permit passage of gas while retaining su... | 11/06/1984 |
| 4399378 | Filter for cooling air stream of electric commutator motor for household device A filter for a cooling air stream of an electric commutator motor for a household device has a passage into which a cooling air stream flows after passing an electric commutator motor, and a filtering member composed of an electrostatically charged materi... | 08/16/1983 |
| 4124359 | Electrostatic precipitator An electrostatic precipitator is disclosed comprising a series of parallel collector electrode plates of similarly corrugated form, with the continuously curved and successive crests and valleys of the corrugations of each plate positioned in opposition t... | 11/07/1978 |
| 4116789 | Clarifier and method A fluid, such as air or water, carrying suspended solids is directed between a pair of oppositely charged, corrugated surfaces in order to subject the flow to an undulating action that increases the frequency with which the solid particles impinge against... | 09/26/1978 |
| 4007024 | Portable electrostatic air cleaner A portable electrostatic air cleaning device having a minimal depthwise air-flow dimension, and particularly adapted to be substituted in an air conduit for a typical furnace or air conditioner filter. Ionizer wires and narrow collector plates are alterna... | 02/08/1977 |
