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8182580 |
Filter structure for filtering a particle-containing gas, method of its manufacture and use of porous paper
The invention relates to a novel gas filter structure, a filtering method and a method of producing the filter structure. The structure according to the invention includes a planar, porous...
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8163235 |
Method for removing gaseous or vaporous sterilants from a surface
The present invention provides a method and apparatus for removing chemical sterilant molecules from a medium, such as a carrier gas. In one embodiment, the apparatus includes a housing that...
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8123840 |
Electrostatic particle filter
The invention relates to an electrostatic particle filter for removing particles from air. The electrostatic particle filter includes a filter medium (3) with first and second opposite sides, a...
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8105418 |
Fungi preventing method, flying organism removing apparatus and plant protecting apparatus by adsorption of conidia using dielectric polarization
A method is provided which can efficiently remove conidia and microbe or the like of a phytopathogen from air and does not cause generation of ozone originated from discharge or so, thereby...
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8080086 |
Static dissipative filtration media
A filtration media that incorporates a static dissipative media layer for dissipating the static charge that builds up as a fluid, such a fuel, passes through the filtration media. The filtration...
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8070861 |
Active field polarized media air cleaner
Improvements in active field polarized media air cleaner include an aerodynamic front cowling to reduce static air resistance, a rear double hinge to reduce blow by, a resistive center screen...
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8070862 |
Dust collection device for sanding tool
A dust collection device for a sanding tool comprising a bag having a sidewall and a coupler attached to the bag. The sidewall comprising a first filter layer, a second filter layer, and an outer...
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8021455 |
Filter element and method
A filter element having multiple formed layers of filtration media is disclosed. The media are layered so as to form a pore size gradient. The filter element is capable of removing both solid and...
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8016921 |
Air vent filter and freshener container
An assembly of structural components for supporting an air filtration member is disclosed. The assembly may include an air filtration member and a framework designed to provide support to the...
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7964012 |
Filter media with improved conductivity
Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter...
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7927400 |
Static dissipative filtration media
A filtration media that incorporates a static dissipative media layer for dissipating the static charge that builds up as a fluid, such a fuel, passes through the filtration media. The filtration...
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7927401 |
Method and device for reducing the number of particles in the exhaust gas of an internal combustion engine
A device for reducing the number of particles in the exhaust gas of an internal combustion engine includes at least two structures through which an exhaust gas can flow, initially through a first...
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7883572 |
Cleanable dust filter comprising a zigzag pleated filter pack
A cleanable filter for particulate material, includes a zigzag pleated filter pack, spacers disposed between the pleats in the filter pack and a frame having an upper and lower part covering the...
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7833310 |
Air filter, elevator having the same and air conditioning control method thereof
An air filter, an elevator having the same, and an air conditioning control method thereof purify the air inside the elevator to make the air safe and pleasant using a micro plasma ion generator...
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7833324 |
Wet electrostatic precipitator with condensation-growth chamber
A wet electrostatic precipitator is disclosed to include a condensation-growth chamber, a precipitation chamber connecting with the condensation-growth chamber, three dual-sleeve members mounted in...
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7819945 |
Metal fluoride trap
A method for making a metal fluoride trap including: assembling a precipitation tube assembly including a plurality of precipitation tubes supported between a first tube end support and a second...
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7815720 |
Dual-filter electrically enhanced air-filtration apparatus and method
A dual-filter electrically enhanced air-filtration apparatus and method are described. One embodiment includes an upstream electrically enhanced filter; a downstream electrically enhanced filter; a...
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7776140 |
Device for removing soot particles from an exhaust gas stream
An apparatus for separating exhaust particulates from an exhaust gas stream, includes a ceramic honeycomb body with ducts through which exhaust gas can flow and which extend in the longitudinal...
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7758675 |
Gas treatment device
Gas treatment equipment including a corona electrode and a dust-collection electrode facing the corona electrode, and forming corona discharge in gas passing between the corona electrode and the...
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7758327 |
Method and apparatus for electric treatment of substrates
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants...
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7722707 |
Air conditioner
A discharge unit (30) and a heat exchanger (20) are disposed in an air passageway (15). In the discharge unit (30), a rod-like discharge electrode (31) and a plate-like counter electrode (32) are...
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7708813 |
Filter media for active field polarized media air cleaner
Filter media for an active field polarized media air cleaner includes two layers of dielectric material with a higher resistance air permeable screen sandwiched between the lower resistivity...
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7691186 |
Conductive bead active field polarized media air cleaner
A pleated filter media includes a plurality of parallel conductive beads to support the media and space the pleated surfaces apart. A high voltage differential applied between adjacent conductive...
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7658785 |
System with canopy and electrode for air cleaning
System for separating particles from an environment, the system including a perforated screen and an ionisation electrode in the environment for creating an electrostatic potential between the...
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7625428 |
Bioagent air filtration systems
Generally, systems for air and water purification using unpowered charged sorbent mediums (3) which may include layered double hydroxide (LDH) (1) compositions, lignin (2), and methods of sorbing...
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7601192 |
Recirculation filter
The invention relates to an improved electrostatic filter and filter media for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as...
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7601205 |
Carbon nanotubes as low voltage field emission sources for particle precipitators
An air particle precipitator and a method of air filtration include a housing unit; a first conductor in the housing unit; a second conductor in the housing unit; and a carbon nanotube grown on the...
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7597750 |
Hybrid wet electrostatic collector
A hybrid wet electrostatic precipitator for collecting sub-micron and nano-particulate material. The collector can be made up of three concentric tubes or pipes with an internally formed gas path...
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7594959 |
Conducting gas purification filter and filter assembly
The present invention relates to a conducting filter (110) adapted for gas purification and a filter assembly (150, 200, 300, 400, 500, 600) comprising such filter. The conducting filter is made...
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7591884 |
Air cleaner with electrostatic flocked piles
An air cleaner including an ionization unit and a dust collection unit is provided. A plurality of electrostatic flocked piles may be provided on the ionization unit, or on the dust collection...
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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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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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7553440 |
Method and apparatus for electric treatment of substrates
Methods and apparatus for hydrodischarging and hydrocharging substrates and articles to produce enhanced ability to avoid attraction of contaminants or improved capability of removing contaminants...
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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 (14)...
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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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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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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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7452411 |
Electrostatic ionic air emission device
The invention concerns an electrostatic ionic emission device for depositing on the surface of a plurality of particles aerosols within a fluid, a quasi-homogeneous amount of ions. The device...
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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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7408759 |
Self-cleaning ionization system
A module for generating ions in a flowing air stream includes a support structure having a central region adapted to pass a flowing air stream therethrough, and including a plurality of supports...
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7393385 |
Apparatus and method for electrostatically depositing aerosol particles
An apparatus useful for electrostatic deposition (ESD) of aerosol particles and methods of depositing the aerosol particles onto a substrate are disclosed. The ESD apparatus and the method of the...
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7390351 |
Electrets and compounds useful in electrets
An electret filter media that includes a thermoplastic resin and a compound of the formula Y2-A(R1)n—Y1, where A is benzene, naphthalene or anthracene, Y1 and Y2 are each independently R2-R3, R2 i...
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7367997 |
Electronic enclosure filter for very small spaces
The present invention is directed to an improved electronic enclosure filter for very small spaces, such as small disk drives. The filter includes an exposed electrostatic layer that functions to...
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7361207 |
System and method for electrostatically depositing aerosol particles
A system useful for electrostatic deposition (ESD) of aerosol particles and methods of depositing the aerosol particles onto a substrate are disclosed. The ESD system and the method of the present...
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7361212 |
Electrostatic precipitator
An electrostatic precipitator is detailed. The precipitator includes a conduit for the passage of particles in an air flow and a generator of an electrostatic field substantially orthogonal to the...
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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...
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7323146 |
Air purifier
An air purifier provides various air purification functions relating to various environmental conditions by increasing a purification function relative to specific contaminants through replacement...
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7297186 |
Tethered, inflatable holder for flowable material
A flexible bag for receiving flowable material is suspended, as from a gantry, and is tethered transversely and yet has substantially free movement along three sides for complete filling. The...
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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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