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7608135 |
Air conditioning system with modular electrically stimulated air filter apparatus
An air conditioning system includes an air flow pathway extending through a housing from an inlet to an outlet. Air conditioning apparatus is disposed in the airflow pathway between the inlet and...
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7604004 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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7582145 |
Space efficient hybrid collector
A compact, hybrid particulate and gas collector that can be used in a vehicle emissions control system, gas turbine, or in any other application where space and lower cost is important or in...
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7582144 |
Space efficient hybrid air purifier
A compact, hybrid particulate and gas collector that can be used in an ultra-clean air purification, vehicle emissions control system, gas turbine, or in any other application where space and lower...
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7553354 |
Apparatus and method for reducing and removing airborne oxidized particulates
An apparatus ( 10 ) and method for recovering elemental carbon, elemental sulfur, elemental iron, elemental gold and other elemental materials from an air flow including a funnel-shaped receptor (...
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7553353 |
System for treating contaminated gas
A system for decontaminating a gas is provided. The system includes: a passageway containing at least one set of two or three electrodes. If the set contains three electrodes, it has two outer...
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7531028 |
Air conditioning system with modular electrically stimulated air filter apparatus
An air conditioning system includes an air flow pathway extending through a housing from an inlet to an outlet. Air conditioning apparatus is disposed in the airflow pathway between the inlet and...
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7527675 |
Electrostatic particulate separation system and device
A device separates particulates from a gas stream flowing through the device. The device includes at least one high voltage electrode and a substantially cylindrical separator. The high voltage...
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7517394 |
Wet electrostatic Ionising step in an electrostatic deposition device
A wet electrostatic ionization stage in an electrostatic separation device for purifying a flowing aerosal including finely dispersed particles entrained in a gas. The wet electrostatic ionization...
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7507275 |
Discharge device and air conditioner having said discharge device
A surface discharge type air cleaning device including an insulating dielectric body formed in the shape of a sheet, a discharge electrode formed at the upper surface of the insulating dielectric...
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7497889 |
Exhaust emission control device
Arranged within a cylindrical housing are capturing cells each including a cylindrical outer electrode capable of capturing particulates and an inner electrode inserted into the outer electrode and...
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7452410 |
Electrostatic filter having insulated electrodes
In various aspects of the invention, electrostatic filters having insulated electrodes are described. In such embodiments, care is taken to prevent the accumulation of opposing charges on the...
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7431755 |
Dust-collecting electrode and dust collector
A dust-collecting electrode where at least one unit electrode between the unit electrodes facing each other includes: a ceramic dielectric body, a surface conductor disposed so as to cover at least...
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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,...
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7294176 |
Surface discharge type air cleaning device
A surface discharge air cleaning device includes an insulating dielectric body, a discharge electrode formed at the upper surface of the insulating dielectric body, and a ground electrode formed at...
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7279028 |
Electrostatic filter
An electrostatic filter having an improved dielectric is described. The dielectric constitutes a dielectric mat formed from high porosity non-woven fibers having pores that have a void fraction of...
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7160365 |
Ion generating apparatus, air conditioning apparatus, and charging apparatus
An ion generating apparatus is built by sandwiching a dielectric layer between an induction electrode and a discharge electrode. The induction electrode is formed of a metal substrate of, for...
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7121276 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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6632267 |
Method and device for separating materials in the form of particles and/or drops from a gas flow
The invention relates to a method and device for separating materials in the form of particles and/or drops from a gas flow, in which method the gas flow is directed through a collection chamber...
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6540804 |
Air cleaner
An air cleaner includes a fan unit ( 1; 1 ′) and a filter unit ( 3 ) that is entirely replaceable, where the fan unit ( 1; 1 ′) and the filter unit ( 3 ) are mutually connected by a quick...
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6482253 |
Powder charging apparatus
This invention relates to an apparatus and method to electrostatically charge or neutralize particles conveyed in a pneumatic stream. More particularly the invention is drawn to an apparatus that...
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5846302 |
Electrostatic air filter device
A self-contained electrostatic air filter assembly having two hinged rectangular frames into which is disposed rectangular polyester/wool filter dielectrics with a conducting charging screen in...
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5807425 |
Electrofilter
A filter apparatus of the present invention includes a filter housing having an inlet and an outlet and a filter device locatable therebetween. The filter device includes a filter medium, an...
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5741352 |
Air cleaner
An attractive portable air cleaner effectively purifies air in a room or office for added comfort and a healthier environment. Instead of using expensive custom-made filters, the air cleaner uses...
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5610455 |
Electret containing syndiotactic vinyl aromatic polymer
Electrets are disclosed comprising syndiotactic vinyl aromatic polymer, for example syndiotactic polystyrene. These electrets have good charge retention at elevated temperature.
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5597645 |
Nonwoven filter media for gas
The present invention provides a filter medium, which contains an electretized nonwoven web of crimped fibers selected from the group consisting of spunbond filaments and staple fibers, wherein the...
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5582632 |
Corona-assisted electrostatic filtration apparatus and method
A corona-assisted electrostatic filtration apparatus which includes a cathode, an anode filter element, and a means of establishing a nonalternating potential difference between the cathode and the...
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5540761 |
Filter for particulate materials in gaseous fluids
A clog-resistant filter for extracting fine particulate contaminants, such as smoke, from a gaseous fluid stream, such as air, uses interaction between Van der Waals forces and a non-ionizing...
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5538692 |
Ionizing type air cleaner
An ionizing type air cleaner having ionizing needle(s) and a collector element. The collector element is made of either many conducting elements with isolating resistors or a single high...
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RE35236 |
Adjustable air filter
An adjustable air filter for use in heating, ventilating, cooling, and forced air systems. The air filter includes a media for filtering air and adapted to be cut with scissors, and a frame...
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5476539 |
Gas purifying apparatus
A low-profile gas purifying apparatus includes a plurality of conductive plates each having a serrated portion at the periphery thereof. The plates are disposed opposite a flat electrode which is...
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5474600 |
Apparatus for biological purification and filtration of air
The invention relates to apparatus for biological purification and filtration of air. The apparatus includes a coarse filter (1), an ionizer (5), an additional plate (9) and a fine filter (10),...
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5474599 |
Apparatus for electrostatically cleaning particulates from air
An electrostatic air cleaner is disclosed for use in removing particulate matter from moving streams of air. A high voltage ionizer is used as a corona source to ionize the particulate matter as it...
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5436054 |
Electret Filter
An electret filter formed by laminating a plurality of network electret film-split fiber fleeces having a different mesh size. It exhibits a high collecting efficiency with a very small pressure...
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5409766 |
Nonwoven fabric in an electret state and process for its production
The improved nonwoven fabric in an electret state is composed of monofilaments with an average fiber diameter of 0.5-100 μm that are formed of a polymer composition containing no more than 1 mol %...
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5403383 |
Safe ionizing field electrically enhanced filter and process for safely ionizing a field of an electrically enhanced filter
An electrostatically stimulated air filter and process, contemplates a housing having an fluid intake and a fluid exhaust; a upstream electrode, disposed downstream of the fluid intake, for...
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5330559 |
Method and apparatus for electrostatically cleaning particulates from air
An electrostatic air cleaner is disclosed along with a method for removing particulate matter from moving streams of air. A high voltage ionizer is used as a corona source to ionize the particulate...
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5290343 |
Electrostatic precipitator machine for charging dust particles contained in air and capturing dust particles with coulomb force
A first recess for detachably mounting an ionizer therethrough is formed to oppose a dust-collecting air suction side of a precipitator machine body. The ionizer includes an ionizing wire unit...
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5181883 |
Smoker's booth
A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby...
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5112677 |
Electret sheet and a method for the production of the same
An electret sheet comprises a porous sheet made of a dielectric polymer and at least one solid material selected from the group consisting of organic materials, inorganic materials, and metallic...
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5108470 |
Charging element having odor and gas absorbing properties for an electrostatic air filter
A charging element having odor and gas adsorbing properties for use in electrostatic air filters of the charged media type is disclosed. The charging element improves the efficiency of such air...
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5084078 |
Exhaust gas purifier unit
An exhaust gas purifier unit has a bridged stream corona generator, an oil feeder for feeding oil to the bridged stream corona generator and an oil supplier for supplying an engine with oil stored...
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5055118 |
Dust-collecting electrode unit
A first insulation layer (3), a first conductive layer (1), a second insulation layer (4) and a second conductive layer (2) are laminated, and a larger spacial gap between either one (2) of the...
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5051159 |
Non-woven fiber sheet and process and apparatus for its production
A process apparatus for producing a non-woven, especially a non-woven electret, fiber sheet provides for directing the non-woven fibers at a collecting surface and into an electric field between at...
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4978372 |
Pleated charged media air filter
An electrostatic air filtration system of the charged media type wherein contact between the filter media and the electrostatic charging media of the filter is minimized or eliminated to increase...
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4976753 |
Snap-together housing for small appliances
An applicance housing includes a box-like front part having a front panel and an open rear end, and a pair of symmetrical, box-like side parts, each having an open front end and an open medial...
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4944778 |
Electrostatic dust collector
An electrostatic dust collector for removing particles, such as smoke particles, pollen and the like from a gas stream passed therethrough. The dust collector includes a filter element formed of...
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4940470 |
Single field ionizing electrically stimulated filter
A single field ionizing electrically stimulated filter utilizing a non-conductive filter medium is charged by an electric field created between an ionizer space-apart from the upstream face of the...
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4917942 |
Nonwoven filter material
Improved microfibrous filtration laminate comprising a highly permeable layer of a self-supporting nonwoven fabric which provided support for a layer of a randomly intertangled nonwoven mat of...
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4886527 |
Multilayer electret filter and process of using same
A multilayer filter pack includes at least three adjacent layers of fibrous material, each of which is permanently electrically charged and not more than 10 mm thick. The upstream and middle layers...
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