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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7753994 | Discharge device and air purifier In a discharge device for performing streamer discharge between a discharge electrode (41) including a plurality of discharge parts (61) and a counter electrode (42) including a plurality of counter parts (62) confronting the discharge pa... | 07/13/2010 |
| 7547353 | Pulse generating system for electrostatic precipitator The invention relates to a pulse generating system for generating high voltage pulses to energize an electrostatic precipitator (10), the system including: a first power supply (1) and a second power supply (2), where said second power supply ( | 06/16/2009 |
| 7404847 | Apparatus and method for enhancing filtration Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge... | 07/29/2008 |
| 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 |
| 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 |
| 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 |
| 7318856 | Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path An air transporter-conditioner device is disclosed that can include an elongated housing having a bottom, a top and an elongated side wall. The housing can have an inlet located adjacent to the bottom and an outlet located adjacent to the elongated side wall, an emi... | 01/15/2008 |
| 7316734 | Volatile organic compound treatment apparatus A volatile organic compound treatment apparatus including an adsorber coming into contact with a gas to be treated and adsorbing volatile organic compounds; a plurality of pairs of electrodes, divided into a plurality of groups, which generate electric discharge so ... | 01/08/2008 |
| 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 |
| 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 |
| 7285155 | Air conditioner device with enhanced ion output production features The present invention provides an air treatment device including a housing, an emitter electrode configured within the housing and a collector electrode configured within the housing and positioned downstream from the emitter electrode. The device preferably increas... | 10/23/2007 |
| 7276106 | Electrode wire retaining member for an electrostatic precipitator An electrode wire retaining member for an electrostatic precipitator is provided according to an embodiment of the invention. The electrode wire retaining member includes one or more flexible arm portions extending from the body and formed of an at least partially f... | 10/02/2007 |
| 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 |
| 7261767 | Air purifier Disclosed is an air purifier having a small size so as to be easily mounted to various home appliances, and preventing ozone which is harmful to a human body from being generated, the air purifier including an insulating dielectric including a solid; a discharge ele... | 08/28/2007 |
| 7261765 | Electrostatic precipitator An electrostatic precipitator having a plurality of electrostatic precipitation units positioned within the electrostatic precipitator. Each of the electrostatic precipitation units includes a plurality of negative wire electrodes and a plurality of positive electro... | 08/28/2007 |
| 7258730 | Air purifier Disclosed is an air purifier with a small size, having an excellent air purifying capacity, capable of preventing a large amount of ozone from being generated, the ozone harmful to a human body. The air purifier includes a case, a pair of discharge electrodes provid... | 08/21/2007 |
| 7244289 | Air purifier with detachable ionizer unit An air purifier includes an outer casing and an ionizer module. The outer casing has a top portion, a bottom portion having an electrode opening, an air purifying cavity defining between the top and bottom portion, and a peripheral opening communicating with the air... | 07/17/2007 |
| 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 |
| 7175695 | Apparatus and method for enhancing filtration Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge... | 02/13/2007 |
| 7163572 | Air purifier An air purifier for removing particles in air includes an outer casing, and an ionizer module. The ionizer module includes a power unit and an ionizing electrode unit, electrically connected to the power unit. The ionizing electrode unit includes a first electrode s... | 01/16/2007 |
| 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 |
| 7112238 | Electronic air filter with resistive screen and electronic modular assembly A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a relatively resistive material for at least one of the screens exposed to arc... | 09/26/2006 |
| 7112236 | Multistage space-efficient electrostatic collector A multistage space-efficient electrostatic collector cleans a gas flowing therethrough along a gas flow path having a first stage provided by a first corona discharge zone along the gas flow path, and a second stage provided by a second corona discharge zone along t... | 09/26/2006 |
| 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 |
| 7081152 | ESP performance optimization control A gas separation apparatus which uses electrostatic precipitators and a DC power supply is controlled to optimally remove moderate to high resistivity ash. The DC power supply is pulse width modulated to maximize the product of the peak electric field and the averag... | 07/25/2006 |
| 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 |
| 6989049 | Airborne conductive contaminant handler An example airborne conductive contaminant handling system is described. The airborne conductive contaminant handling system may include a handling circuit that is configured to selectively pass an electric current through a conductive contaminant. The airborne cond... | 01/24/2006 |
| 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 |
| 6958089 | Structure of an electrostatic precipitator An electrostatic precipitator includes a frame, several parallel square metallic rods securely disposed in the frame, and several metallic boards positioned parallel in the frame for charges to be deposited on, and spacing elements; the metallic boards have through ... | 10/25/2005 |
| 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 |
| 6955075 | Portable liquid collection electrostatic precipitator A portable liquid collection electrostatic collection precipitator for analyzing air is provided which is a relatively small, self-contained device. The device has a tubular collection electrode, a reservoir for a liquid, and a pump. The pump pumps the liquid into t... | 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 |
| 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 |
| 6902604 | Electrostatic precipitator with internal power supply An electrostatic precipitator, including for a diesel engine electrostatic crankcase ventilation system for blowby gas, includes a corona discharge electrode assembly in a housing, an insulator extending along an internal surface of a wall of the housing, a power su... | 06/07/2005 |
| 6336961 | Electric precipitator and electric precipitation electrode used for the same A plurality of discharge electrodes are grouped for respective gas passages that are defined by collecting electrodes (11-15). The discharge electrodes in each group are connected to a common power supply unit for receiving output voltage through a diode ... | 01/08/2002 |
| 6245299 | Modular dielectric barrier discharge device for pollution abatement A device (10) for purifying a gas stream (30) made up of a plurality of DBD cells (12a, 12b, 12c) in series and, for each of the DBD cells (12a, 12b, 12c), a power supply (24a, 24b, 24e) for providing alternating current to each DBD cell (12a, 12b, 12e).... | 06/12/2001 |
| 6245131 | Electrostatic air cleaner An electrostatic air cleaner for installation in an air-circulating system, including a flow sensor for sensing the flow of air across the electrostatic air cleaner, and a switch, responsive to the flow sensor, for operating the electrostatic air cleaner ... | 06/12/2001 |
| 6063168 | Electrostatic precipitator An apparatus for charging an electrostatic precipitator, powered by a power supply and having a plurality of corona electrodes and a plurality of collector electrodes, such that a precipitator capacitance may be formed therebetween, includes a storage cap... | 05/16/2000 |