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| Number | Title | Issue Date |
| 7655076 | Device for air cleaning Air cleaning device has a particle charging zone comprising a conducting sheet having a plurality of apertures, through which air can be passed, and a plurality of corona emitters each associated with an aperture, and a filter. ... | 02/02/2010 |
| 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 |
| 7368004 | Electric dust collector The electric dust collector has an oblong holding unit provided on the air channel of an air conditioner or the like; a high-voltage applying device provided at an end of the holding unit; a front-open contact protector of substantially inverted U-shape that contain... | 05/06/2008 |
| 7318857 | Dual flow wet electrostatic precipitator An apparatus for removing particulate matter from a gas stream containing particular matter, the apparatus comprising: a mist-producing element that mixes a gas stream entering the apparatus with liquid droplets; a down-flow Wet Electrostatic Precipitator (WESP) sec... | 01/15/2008 |
| 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 |
| 7297185 | Electrostatic dust precipitator An electrostatic dust precipitator (1) is constructed mainly to include a housing (11) in which an air path (10) communicating between an inlet (8) and an outlet (9), an airstream generating unit (14) that causes generation ... | 11/20/2007 |
| 7297182 | Wet electrostatic precipitator for treating oxidized biomass effluent An apparatus for removing particulate matter from a biomass combustion gas stream, the apparatus having a mist-producing element that mixes a gas stream entering the apparatus with liquid droplets; a Wet Electrostatic Precipitator (WESP) section that includes ionizi... | 11/20/2007 |
| 7264658 | Electrostatic precipitator eliminating contamination of ground electrode An electrostatic precipitator reduces contamination of the ground electrode by separating charging and collection stages. ... | 09/04/2007 |
| 7258715 | Air cleaner An improved filter element for use in an electrostatic precipitation air cleaning device, the filter element including rod electrodes arranged through a stack of alternating fluted plastic sheets and plate electrodes. Successive plate electrodes are arranged to make... | 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 |
| 7147821 | Treatment process for a gaseous medium containing contaminating particles The invention relates to a method for treating a gaseous medium containing contaminating particles, such as microorganisms, bacteria, or viruses. The inventive method consists of generating an accelerated electron flux; the electron flux interacting with the gaseous... | 12/12/2006 |
| 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 |
| 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 |
| 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 |
| 6905029 | Cross-flow differential migration classifier A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having one or more particles, passes in a first direction, wherein the channe... | 06/14/2005 |
| 6793717 | Apparatus for keeping contamination away from a mask during exposure with light The present invention includes a filtered mask enclosure having an exterior portion and interior regions within the exterior portion such that the interior regions have a filtering region and a purging region connected to the filtering region. The present invention ... | 09/21/2004 |
| 6610123 | Filtered mask enclosure The present invention includes a filtered mask enclosure having an exterior portion and interior regions within the exterior portion such that the interior regions have a filtering region and a purging region connected to the filtering region. The present... | 08/26/2003 |
| 6254668 | Device for cleaning a static precipitator A device for cleaning static precipitator in which hot air and steam are repeatedly filled into an oil-collecting sink of the static precipitator at different times or at the same time for heating and melting the oil dirt attaching to the static panels, m... | 07/03/2001 |
| 6235090 | Kitchen hood filtration apparatus A kitchen hood filtration system having improved odor removal properties includes an electrostatic precipitator having negative corona which generates ozone. The ozone interacts with odor-producing moieties to help eliminate the odors. The filtration syst... | 05/22/2001 |
| 6156103 | Discharge gas purification system Apparatus for purification of a discharge gas, wherein the discharge gas is selected from a group of noble gases, and most preferably is helium or argon. The purification of the discharge gas is achieved by attraction and removal of at least one ionized c... | 12/05/2000 |
| 6117216 | Precipitator for cleaning of air from electrically charged aerosols An electrostatic precipitator for purifying air from charged particles. The precipitator includes at least a pair of electrode elements (R and A) spaced apart by a gap distance (a). The electrode elements are moisture-proof. At least one of the electrode ... | 09/12/2000 |
| 5972215 | Continuous particle separation and removal cleaning system A particle separator having a housing, a radially centered core, helical augers which force a fluid stream in a helical flow direction, and separator devices for the progressive separation of particles from a particulate contaminated fluid stream.... | 10/26/1999 |
| 5948141 | Method and apparatus for purification of a discharge gas Method and apparatus for purification of a discharge gas, wherein the discharge gas is selected from a group of noble gases, and most preferably is helium or argon. The purification of the discharge gas is achieved by attraction and removal of at least on... | 09/07/1999 |
| 5882383 | Gas drying apparatus Apparatus for drying flowing gas includes a generally cylindrical vessel having a gas inlet and a gas outlet, two perforated plates of different metals in contact with each other transverse the interior of the vessel, and a third perforated plate downstre... | 03/16/1999 |
| 5855652 | Aerosol collector and concentrator Apparatus is disclosed for rapidly collecting aerosols containing solid particles and micro organisms, such as viruses and bacteria, from relatively large volumes of air and concentrating these particulates as samples in water. This apparatus operates und... | 01/05/1999 |
| 5753013 | Gas drying apparatus and method Apparatus for drying flowing gas includes a generally cylindrical vessel having a gas inlet and a gas outlet, two perforated plates of different metals in contact with each other transverse the interior of the vessel, and a third perforated plate downstre... | 05/19/1998 |
| 5607497 | Passive dust sampler and method of dust estimation A personal dust sampler hangs from a ribbon (10) attached to the user's clothing and requires no pump or power source. Dust in the air is captured by a charged PVC sheet (2) exposed at (2a) but framed by a metal foil (25) and surmounted by a metal conduct... | 03/04/1997 |
| 5591334 | Apparatus for generating negative ions The apparatus is formed of a centrifugal force and Coriolis force generating device and a gas and liquid separation device. The centrifugal force and Coriolis force generating device gives high energy to supplied liquid by generating a spirally flowing ai... | 01/07/1997 |
| 5380355 | Airstream decontamination unit A waste airstream decontamination unit has a series of grounded electrodes extending vertically from rotating shafts mounted transversely across a decontamination chamber. Corresponding upper and lower positive electrodes extend toward the rotating ground... | 01/10/1995 |
| 5215558 | Electrical dust collector An electric dust collector includes a plurality of alternately arranged collecting units and accelerating units forming air flow passages therebetween. Each accelerating unit has a hole therethrough, and a plurality of wires extending across the hole in a... | 06/01/1993 |
| 5180404 | Corona discharge arrangements for the removal of harmful substances generated by the corona discharge A corona discharge apparatus includes a corona electrode (K) and a target electrode (M) which is spaced from the corona electrode (K). The electrodes are connected to a d.c. source (2) having a voltage such as to produce a corona discharge on the corona e... | 01/19/1993 |
| 5156658 | Electrostatic precipitator gas inlet plenum having a corrugated perforated plate A gas flow distribution system for directing the flow of gas across the inlet portion of and into an electrostatic precipitator. The gas distribution system including a corrugated perforated plate for shifting and spreading gas across the inlet portion of... | 10/20/1992 |
| 4968330 | Apparatus for separating particulates in an electrostatic precipitator An improved electrostatic precipitator, is described which contains essentially vertical tubes acting as vertical collector electrodes with discharge wire electrodes suspended therein, wherein a novel nonfouling chain screen is employed as a distributor f... | 11/06/1990 |
| 4581045 | Gas distributing device A gas-distributing device for use in a gas passage which flares like a diffuser, particularly a passage leading to an electrostatic precipitator, formed by a set of components consisting of perforated sheet metal panels, carrying and connecting elements, ... | 04/08/1986 |
| 4544383 | Horizontal flow electrostatic precipitator with gas distributor receiving downward gas flow A combination of a horizontal-flow electrostatic precipitator having a first inlet for a gas to be cleaned, the first inlet having a reactangular configuration lying substantially in a vertical plane and a diverting and distributing device for feeding ver... | 10/01/1985 |
| 4364752 | Electrostatic precipitator apparatus having an improved ion generating means A system is disclosed for removing particles from a gaseous medium and comprises an upstream precipitating stage followed by a downstream precipitating stage having one or more electrically charged shells with corona discharge apparatuses therein which pr... | 12/21/1982 |
| 4315812 | Apparatus for continuous electrochromatographic separation An apparatus that performs a continuous separation of and the purification of chemical compounds by employing both the phenomena of electrophoresis and chromatography or electrophoresis alone, dependent on the material to be separated. The material to be ... | 02/16/1982 |
| 4236900 | Electrostatic precipitator apparatus having an improved ion generating means A multi-stage system is disclosed for removing particles from a gaseous medium and comprises an upstream precipitating stage of spaced corona discharging wires between parallel collecting plates, followed by a downstream precipitating stage having one or ... | 12/02/1980 |
| 4207083 | Diffuser assembly and method of assembling A diffuser assembly for transition pieces between gas-processing apparatus and a gas line, e.g. between an inlet duct and an electrostatic precipitator, comprises a support structure in the form of an array of mutually parallel profile bars. The array has... | 06/10/1980 |
| 4066526 | Method and apparatus for electrostatic separating dispersed matter from a fluid medium Herein are disclosed a method and apparatus whereby dispersed matter in the form of finely-divided particles, and/or in the form of molecular species such as molecules, and atoms are separated from a gaseous or liquid medium by subjecting same by a corona... | 01/03/1978 |
