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| Number | Title | Issue Date |
| 7442234 | Device and method for removing undesirable gases and particles from the air A device and a method for removing undesirable gases and particles from the air are provided. The device includes a purifying chamber through which air (1) to be purified is arranged to pass and has an entrance end provided with a zone (2) producing wa... | 10/28/2008 |
| 7427313 | Air purification device The device according to the invention includes a drip chamber, which is adapted for connecting to the ordinary water mains, a metal plate and a nozzle that is connected to the drip chamber and disposed above the metal plate and a collecting vessel. The object of the... | 09/23/2008 |
| 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 |
| 7354474 | Dry dust filter for using in operations endangered by gases The invention related to dust filters (1) which are especially used in operations endangered by gases and comprise filter elements (10) rendered antistatic by means of derivative constituents such as carbon fibres, salts or special steel fibres (26,... | 04/08/2008 |
| 7347889 | Ultrasonic solution separator An ultrasonic solution separator including an ultrasonic atomization chamber supplied with a solution containing a target material; an ultrasonic oscillator producing mist from the solution in the ultrasonic atomization chamber with ultrasonic oscillation; a power s... | 03/25/2008 |
| 7341701 | Method, apparatus and plant for treating culinary gaseous effluents A method and apparatus (22) for treating culinary gaseous effluents (Eg) carried in an air extraction duct of a kitchen, the apparatus includes: a unit (24) for storing in liquid form a nucleophilic active product (Pa... | 03/11/2008 |
| 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 |
| 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 |
| 7281702 | Methods and apparatus for mixing and distributing fluids A flow distribution device (100) has a vane distributor (111) at least partially disposed within a cartridge (102) and is operationally coupled to a second distributing device (112) that receives output from the vane distributor (111 | 10/16/2007 |
| 7273516 | Plate heat exchanger A plate heat exchanger for exchanging heat between a first air stream and a second air stream includes a plurality of plates limiting first and second exchange chambers which are serially arranged in a transversal direction with respect to the plates. A first air st... | 09/25/2007 |
| 7270697 | Electrostatic precipitator Electrostatic precipitators, including wet electrostatic precipitators, having a bank of conductive tubes which receive a gas stream having entrained particulates and an electrode connected to an electric current, wherein the tubes each include an internal restricti... | 09/18/2007 |
| 7267708 | Rigid electrode ionization for packed bed scrubbers An ionizing particulate scrubber is provided for the removal of particulate from a gaseous exhaust stream, said scrubber including two sections: a charging section and a collection section. The charging or ionizing section includes one or more cylindrical tubular gr... | 09/11/2007 |
| 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 |
| 7252807 | Apparatus and method for cleaning, neutralizing and recirculating exhaust air in a confined environment Exhaust air containing particulate and gas contaminants is withdrawn from a confined environment, such as a food cooking area, by a circulation system which liquid scrubs some of the contaminants from the exhaust flow, removes mist of the scrubbing liquid from the f... | 08/07/2007 |
| 7189724 | Quinoxaline derivatives having antiviral activity The invention provides substituted quinoxalines having the general formulas where R1, R2, R3, and R4 are, inter alia, alkyl, aryl, or heteroaryl groups; Z is NH or O; a... | 03/13/2007 |
| 7190579 | Data processing system with air purifying device An air purifying data processing system includes a chassis, a planar, a microprocessor and an air purifier. The air purifier produces purified air that is exhausted exterior to the chassis to improve the air quality in the vicinity of the chassis. The air purifier p... | 03/13/2007 |
| 7160348 | Mist elimination hood A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of ... | 01/09/2007 |
| 7160391 | Electrostatic nozzle apparatus A nozzle spray head is provided for use in a dynamic electrostatic air filter, in which the nozzle spray head assembly exhibits multiple nozzle orifices as outlet ports, which extend from the bottom of the nozzle body such that the distances between the outlet ports... | 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 |
| 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 |
| 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 |
| 7147692 | Air cleaning apparatus and method for cleaning air The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of apparatus, including a packed column scrubber. The liquid may be non-evapor... | 12/12/2006 |
| 6986803 | Gas scrubbing process and apparatus Process and apparatus for gas cleaning, as in HVAC systems or semiconductor manufacturing clean rooms, for removing 99.999% of particulate and gaseous contaminants, which may be effectively used to remove and neutralize Bio-chem agents introduced by terrorists, havi... | 01/17/2006 |
| 6872238 | Method and apparatus for particle agglomeration Fine particles of dust and other pollutants in gas streams are agglomerated to form larger particles which are more easily filtered in downstream processing. In one embodiment, particles in successive portions of the gas stream are charged with opposite polarity, an... | 03/29/2005 |
| 6843835 | Air cleaning apparatus and method for cleaning air An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with s... | 01/18/2005 |
| 6656253 | Dynamic electrostatic filter apparatus for purifying air using electrically charged liquid droplets An apparatus for removing particles from air, including an inlet for receiving a flow of air, a first chamber in flow communication with the inlet, wherein a charged spray of semiconducting fluid droplets having a first polarity is introduced to the air f... | 12/02/2003 |
| 6607586 | Fluid utilized in apparatus for purifying air An apparatus for removing particles from air, including an inlet for receiving a flow of air, a first chamber in flow communication with the inlet, wherein a charged spray of semi-conducting fluid droplets having a first polarity is introduced to the air ... | 08/19/2003 |
| 6607579 | Apparatus and method for purifying air An apparatus for removing particles from air, including an inlet for receiving a flow of air, a first chamber in flow communication with the inlet, wherein a charged spray of semi-conducting fluid droplets having a first polarity is introduced to the air ... | 08/19/2003 |
| 6602329 | Dust collector A dust collector for collecting dust, in which the rarefaction of a dielectric at the rear part of electric field forming apparatus is prevented, whereby the collecting efficiency can be increased. The dust collector includes a charging device for chargin... | 08/05/2003 |
| 6579349 | Electrostatic precipitator An electrostatic precipitator includes an upright hollow body having a lower smoke inlet and an upper smoke outlet, with a pair of spaced horizontal partitions formed in the hollow body between the inlet and outlet. A set of parallel ducts extends vertica... | 06/17/2003 |
| 6551382 | Hot-humid/cold gas scrubbing process and apparatus Effluent gas cleaning process and apparatus for effectively removing particulates in the 0.01 micron to 0.1 micron diameter range, and for removing water-soluble gaseous contaminants, by first bringing the effluent to a relatively high temperature and hum... | 04/22/2003 |
| 6527829 | Method and arrangement for purifying the intake air of a gas turbine The present invention describes a method and an arrangement for purifying the intake air of a gas turbine of solid particles and liquid droplets. According to the invention air is taken into the system of intake air passages (1, 2, 4) of the gas turbine a... | 03/04/2003 |
| 6508861 | Integrated single-pass dual-field electrostatic precipitator and method An improvement in an electrostatic precipitator and method for removing particulate contaminants entrained in a gas stream passed through an electrode arrangement in which particulates are charged in a first electrostatic field and subjected to a second e... | 01/21/2003 |
| 6500240 | Dust collector A dust collector for collecting dust, in which the rarefaction of a dielectric at the rear part of electric field forming apparatus is prevented, whereby the collecting efficiency can be increased. The dust collector includes a charging device (1) for cha... | 12/31/2002 |
| 6488740 | Apparatus and method for decreasing contaminants present in a flue gas stream The apparatus includes a wet electrostatic precipitator (ESP) field disposed along a combusted fossil-fuel flue gas stream path downstream of a dry ESP field. The wet ESP field includes a chamber having a flue gas inlet and a flue gas outlet, and at least... | 12/03/2002 |
| 6471753 | Device for collecting dust using highly charged hyperfine liquid droplets A device for collecting dust using highly charged hyperfine liquid droplets formed through an electro-hydrodynamic atomization process is disclosed. In the dust collecting device of this invention, a high voltage is applied to capillaries, set within a du... | 10/29/2002 |
| 6238459 | Ultra-high particulate collection of sub-micron aerosols A method and apparatus for ultra-high particulate collection of sub-micron aerosols in a fuel gas conveys the fuel gas to a first venturi scrubber for removing a relatively large amount of particulates and leaving a smaller particulate load which is not r... | 05/29/2001 |
| 6235088 | Alcohol separator for an alcohol solution An alcohol separator is provided with an atomizer which supplies a mist of atomized alcohol solution to one region of a flow path, and an electrostatic collection device which uses an electrostatic field corona discharge to capture, liquefy, and recover a... | 05/22/2001 |
| 6190630 | Flue gas treating process and apparatus This invention provides a flue gas treating process for removing sulfur oxides and dust from exhaust gas containing sulfur oxides and dust by using an absorption tower into which an absorbing fluid containing an alkaline agent is sprayed, comprising the s... | 02/20/2001 |
| 6156098 | Charged droplet gas scrubber apparatus and method Gas scrubbing apparatus and method, employing highly charged liquid droplets for removal of both particulates and pollutant gases from the gas to be cleaned, allowing scrubbing of uncharged particulates by means of monopole--dipole attractive forces betwe... | 12/05/2000 |
