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7569094 |
Method and apparatus for separating particles
A method and apparatus for separating particles preferentially accelerates particles to a rotating collector, which then reliably conveys collected particles to a discharge with minimal...
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7377957 |
Method and construction of filters and pre-filters for extending the life cycle of the filter bodies therein
A method of utilizing a filter having a filter body removing solid particles from a fluid, in order to extend the life cycle of the filter body before cleaning or replacement thereof is required,...
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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...
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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...
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7048779 |
Method of removing mercury from exhaust gases of coal fired power plants and associated apparatus
A method of removing mercury from a coal fired power plant exhaust gas includes passing the exhaust gas through a bulk particle filter to remove coarse particles, introducing powdered activated...
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6984259 |
Air disinfection apparatus
An air purification and disinfection apparatus incorporates an air inlet filter ( 1 ) spanning the intake of the apparatus, an ultraviolet light source ( 2 ) for treating the air within a chamber (...
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6932857 |
Multi-stage collector and method of operation
A multi-stage collector of the type used to collect particles from industrial gas. The collector can contain multiple narrow and wide zones formed by a plurality of parallel corrugated plates....
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6872239 |
Method and a system for separating a mixture
A method for separating phases of a mixture comprising and oil-water together with gas. At least a substantial part of the gas is separated from the emulsion before the emulsion is introduced into...
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6544317 |
Advanced hybrid particulate collector and method of operation
A device and method for controlling particulate air pollutants of the present invention combines filtration and electrostatic collection devices. The invention includes a chamber housing a...
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6494934 |
Air cleaner, air cleaning method, and air cleaner with sterilization
An air cleaner having a minus ion generator and a positive electrode. The minus ion generator carries a high minus voltage, and the positive electrode carries a high plus voltage. Preferably, the...
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6379428 |
Method for reducing particle concentration within a semiconductor device fabrication tool
A method is provided for reducing the number of particles within a chamber of a fabrication tool located within a gray area of a clean room. A portable clean room station is provided that is...
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6355178 |
Cyclonic separator with electrical or magnetic separation enhancement
A cyclone or hydrocyclone for separating fluids and particles includes an electrostatic charge generator, a direct current power source, a magnet or an electromagnet for augmenting the centrifugal...
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6017381 |
Field effect auxiliary gas cyclone (FEAGC) and method of using
Collection of particles from a gas stream and the separation of dissimilar particles from a gas stream by a field effect auxiliary gas cyclone (FEAGC) is enhanced by providing an inductive field...
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5656063 |
Air cleaner with separate ozone and ionizer outputs and method of purifying air
An air cleaner with separate ozone gas and ionized air outputs, and method of purifying air is provided. The air cleaner includes an exterior housing which houses an ozone generator component and a...
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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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5424044 |
Integrated SCR electrostatic precipitator
An integrated SCR ESP employs catalytic collector plates for NO x and particulate removal. Ammonia injected either directly in the ESP or upstream therefrom catalytically reduces NO x to nitrogen...
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5380500 |
Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process
A process and apparatus for the separation of vaporous heavy metal compounds from a carrier gas wherein the heavy metal compounds are cooled and desublimed. An apparatus for carrying out this...
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5376279 |
Filtration using ionically and electrically conductive depth filter
A method of depth filtration of particles from a fluid carrying particles including providing in a deep filter a quantity of filter medium elements, at least some of the elements being ionically...
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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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5320052 |
Catalytic sulfur trioxide flue gas conditioning
A sulfur trioxide conditioning system includes a catalytic converter that converts a portion of the sulfur dioxide in a flow of flue gas to sulfur trioxide. The catalytic converter includes a...
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5225000 |
Method for cleaning closed spaces with ultraviolet rays
Cleaning a closed space such as safety cabinets, clean boxes, safes and wafer storage spaces are performed by irradiating a photoelectron emitting member with ultraviolet rays and/or other forms of...
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5151198 |
Method and apparatus for separating fluids using a carbonaceous polymeric filter having a LOI greater than 40
An improvement in an apparatus for separating fluids or non-biotechnological products in solution, wherein said apparatus has a fibrous element which permits flow of fluids therethrough the...
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4976749 |
Air filter and particle removal system
An air filter and particle removal system for eliminating impurities from air. The system is constructed with an upper electrode plate facing a lower electrode plate. A flypaper-like material is...
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4687493 |
Electrostatic particle dispersion for fluid mixture separation and chemical conversion
A method is disclosed for separating and/or chemically converting components of a fluid mixture. The method comprises imparting an electrostatic charge to an array of fine particles, introducing...
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4501598 |
Gas borne particle filtering method
A method for filtering gas borne particles using a filter medium (13) in contact with a screen (14) composed of polymeric strands (30, 31) is described. The method is characterized by the fact that...
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4391614 |
Method and apparatus for preventing lubricant flow from a vacuum source to a vacuum chamber
A method of trapping lubricant in a vacuum system and an assembly for performing same wherein a vacuum chamber has an outlet duct to a vacuum source to establish a gas flow path from the vacuum...
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4357150 |
High-efficiency electrostatic air filter device
An improved high-efficiency electrostatic air filter device which has a high efficiency of dust collection and a long service life. The device is composed of a charging section having a plurality...
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4273189 |
Method and apparatus for recovering natural gas from geopressured salt water
Method and apparatus for recovering natural gas from geopressured salt water by discharging the geopressured salt water from the subsurface strata into a variable volume tank at substantially...
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4069026 |
Filter made of electrostatically spun fibres
In a process for the production of fibre filters, the fibre material is sprayed electrostatically from the liquid state and deposited as a fibre fleece on a conductive support. The starting...
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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...
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3891528 |
Electrostatic filtering for cleaning dielectric fluids
Apparatus for reducing or eliminating destructive electrical arcing between inner and outer electrodes includes an elongated inner electrode element; an elongated outer shell element spaced from...
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3807144 |
AIR RECTIFIERS, APPARATUS WITH PROCESS
A permanent air rectifier apparatus and process, which separates both micronic and submicronic contaminants from an air stream passing therethrough. Upwardly positioned perforations in a series of...
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3581462 |
METHOD AND APPARATUS FOR INDUCTIVELY CHARGING A FILTER OF COMBINED METAL AND DIELECTRIC MATERIAL FOR COLLECTING NORMALLY CHARGED AIR BORNE PARTICLES
Monocharging a filter consisting of electroconductive and nonconductive collecting surfaces with an inductive field supplied from a low frequency pulsating direct current voltage to attract and...
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2876864 |
Separation of dust from sinter waste gas
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2854394 |
Method of and apparatus for fractionation by electrodialysis
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2815320 |
Method of and apparatus for treating ionic fluids by dialysis
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