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Class 96/233 - Filter


Subclass of Class 96 - Gas separation: apparatus
Definition: Apparatus in which the separating apparatus includes a separating
No. of patents: 58
Last issue date: 04/24/2012


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NumberTitleIssue Date
8163072Filter washing system for gas turbine engines
A filter system for an air inlet of a gas turbine engine. The filter system may include a number of filters positioned about the air inlet and a water spray system positioned to spray the filters. The filters may include a hydrophobic or an oleophobic filter media.
04/24/2012
7329298Filter
A filter for exhaust gases produced by an internal combustion engine, and a method of using such a mat on a vehicle. The filter is a mat of fibers enclosed within a metal gauze. Preferably, the mats are corrugated and spaced apart within a housing such that exhaust ...
02/12/2008
7320723Exhaust gas filter and filtering system
An exhaust gas filter cartridge which is suitable for use in a muffler such as to form an exhaust gas filtering system is disclosed. The filter cartridge preferably includes a first porous longitudinal wall and a second porous longitudinal wall, both porous longitud...
01/22/2008
7282086Fluid filter cleaning apparatus
A filter cleaning apparatus for cleaning a filter using cleaning fluid comprises a housing, a filter holder for holding the filter, wherein the filter holder is mountable in the housing, a rotating means for rotating the filter holder, wherein the filter holder hold...
10/16/2007
7238223Acoustical stimulation of vapor diffusion system and method
An apparatus for removing constituents from a fluid stream is provided. The apparatus includes a duct, a collection device, a sorbent injector, and an acoustic generator. The duct has a fluid passageway to receive a fluid stream having constituents. The collection d...
07/03/2007
7101420Self cleaning air filtration machine and a method for using the same
Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet ...
09/05/2006
7052532High temperature nanofilter, system and method
A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro...
05/30/2006
7037359Grease containment system
A device, system, and method for collecting grease on rooftop exhaust fans, comprising a gasket formed of sorbent material. The gasket is dimensioned for placement between an exhaust fan and a base for the exhaust fan. When placed between the exhaust fan and the bas...
05/02/2006
7025812Portable air cleaning apparatus
The portable air cleaning apparatus includes a body casing that has a base having a generally vertical sidewall and removable top wall. A fluid spray chamber has a recirculation system that supplies a fluid to at least one spray nozzle through which the fluid is spr...
04/11/2006
7018449Filtration media
Particles may be used to filter oleo material such as grease from a flow of fluid such as a gas. The particles can be arranged into a bed to filter the oleo material from the fluid. The filtrate substance collect on the inorganic particles. The particles are re-usab...
03/28/2006
7009284Semiconductor apparatus with heat radiation structure for removing heat from semiconductor element
A semiconductor element, and a pair of insulation substrates sandwiching the semiconductor element therebetween forms a substrate unit. The substrate unit is press-fitted in a recess provided between first radiation block and cooling block. The press-fitting of the ...
03/07/2006
6946288Ventilation system for an enclosure in which people live and a method thereof
A ventilation system is disclosed for an enclosure in which people live. The ventilation system comprises a first ducting means for ducting fresh air from outside to inside the enclosure and a second ducting means for ducting stale air. The second ducting means comp...
09/20/2005
6926760Method for cleaning a particular filter
The invention relates to a method of cleaning a particle filter (1) by means use of a fluid, whereby the filter material is alternately treated with pressure and high flow rate. By means of the above using this method, the ash is washed out of the filter mate...
08/09/2005
6902592Apparatus and method for cleaning an air filter unit
Shown is an apparatus and method for cleaning filter units of an air filtering system using a reverse flow pulse of pressurized air. The filter cleaning system includes a venturi element (36) with a narrowed throat portion (56). A blowpipe (46) ...
06/07/2005
6863715Method for cleaning air and apparatus therefor, and method for humidifying air and apparatus therefor
A method for cleaning air and an air cleaner utilizing it are disclosed, by which the air cleaner can be made smaller than the conventional air cleaners when the performances are the same. According to the method of the invention, a filter formed on peripheral porti...
03/08/2005
6858053Exhaust system, in particular, for housing-type enclosures of machine tools
An exhaust system for housing-type enclosures of machine tools is provided for removing air by suction from the interior of the enclosure. The cuttings which are produced during machining of the workpieces are distributed within the working chamber and are thrown to...
02/22/2005
6814783Filtration media of porous inorganic particles
Inorganic, porous particles filter a substance or substances from a flow of fluid such as a gas. The particles can be arranged into a bed to filter a substance (filtrate substance) from a fluid. The filtrate substance can collect on or within the pores of the inorga...
11/09/2004
6793716Method and installation for cleaning a particulate filter on a motor vehicle
The particulate filter is disassembled in order to separate it from the exhaust line and the filtering support of the particulate filter is contacted with a cleaning solution, for example contained in a tank, for a period sufficient to ensure soaking of the filterin...
09/21/2004
6709499Air-routing household appliance with a washable filter
An air-routing household appliance includes an improved removable and washable filter in that the filter is of a flexible fiber material and is finished such that it can bind and/or decompose odorous substances. Such a filter can be disposed, in particular, in the c...
03/23/2004
6602328Gas turbine suction air filter, a gas turbine using the same and a method for using the same
A gas turbine suction air filter is provided wherein, despite a large capacity, dust is easily removed by an ultrasonic washer. A gas turbine suction air filter (1) has a box-like frame member (3) and a filter cloth (5) contained in the frame member (3). ...
08/05/2003
6478461Transportable hot-mix asphalt manufacturing and pollution control system
A hot-mix asphalt manufacturing system including treatment of emissions and recirculated gases includes a counter-flow rotary dryer 12 having a combustion chamber 28, an inlet 24 for dry ingredients, an outlet 26 for hot-mix asphalt, and a plate collector...
11/12/2002
6423119Poly (1-trimethysilyl-1-propyne) membrane regeneration process
A novel process for the regeneration of PTMSP membranes is disclosed. The regeneration process includes washing a fouled PTMSP membrane with a solution containing at least about 50% butanol in water for a time sufficient to increase the flux and/or select...
07/23/2002
6340383Filter having a cleaning nozzle
A filter for filtering a particle-containing medium and having nozzles includes a housing having an inlet opening and an outlet opening for the cleaning fluid, the openings forming between them a passage defined by a wall, a valve body having a valve head...
01/22/2002
6200367Water washable stainless steel HEPA filter
The invention is a high efficiency particulate (HEPA) filter apparatus and system, and method for assaying particulates. The HEPA filter provides for capture of 99.99% or greater of particulates from a gas stream, with collection of particulates on the su...
03/13/2001
6063164Filtration process for glass furnace dust
A method for filtering the dust in gaseous emissions discharged from a glass furnace includes filtering the emissions at a traverse speed of at least 0.1 m/sec with at least one filtering element downstream of the furnace, and regenerating the filtering e...
05/16/2000
6059864Apparatus for cleaning filtered particles from an air filter using internal porous tubular members
An air filter used for the filtration of air for a central air and heating system with an internal cleaning apparatus fabricated for easy cleaning of particles from the air filter. This internal cleaning apparatus comprising a cylindrical member with prot...
05/09/2000
6036755Water filtering type air cleaning unit
A water filtering type air cleaning unit includes a housing having an upper side defining an air draining conduit and a lower side defining an air inlet conduit, a water permeable air filtering device mounted in the air draining conduit and including a pl...
03/14/2000
6000557Self-cleaning liquid filter and method for filtering a liquid
A self-cleaning liquid filter and a method for filtering a liquid are disclosed. In the self-cleaning liquid filter, a rotating hollow drum covered with a filter element is mounted in a filter housing and turned by a waste liquid that contains debris or d...
12/14/1999
5989303Fan-fold filter for a forced air ventilation system
A filter apparatus for use in a forced air ventilation system, the filter apparatus having a first fan folded sheet of a washable first type of filter material, a second fan folded sheet of a second type of filter material, and fanfolds of the first and s...
11/23/1999
5951745Environmentally benign, washable wet filter
A wet filter which will not foul washing facilities and plumbing systems, and which will not introduce harmful substances into the environment. The filtering element, which mayk be a resilient, open cell foam material or a woven fabric, is coated with a m...
09/14/1999
5879552Method and apparatus for a self-purifying filter system
A self-purifying filter apparatus comprising (1) a filter having a first surface and a second surface; (2) flow control means, such as a vacuum pump, for causing a stream of fluid interspersed with solid particulates to pass from the first surface to the ...
03/09/1999
5795359Apparatus for separating particulate and/or powdery material from an entraining gas
An apparatus for separating particulate or powdery material from an entraining gas includes a housing defining a closed chamber having an inlet for the material and gas, an outlet in the lower region of the housing for separated material, an outlet for fi...
08/18/1998
5766281Apparatus for removing dust from gas with liquid filter cleaning nozzles
The apparatus has at least one container. This has an inner wall part which separates a crude gas space from a clean gas space and holds filters projecting into the crude gas space as well as wet cleaning devices which have a displaceable spray member wit...
06/16/1998
5702516Method of using water soluble foamed starch for reclaiming paint over-spray particles
A method of using water soluble foamed starch for reclaiming paint overspray particles from air includes the steps of passing a stream of air containing paint overspray particles through an air filter assembly having a filtration element. The filtration e...
12/30/1997
5662097Stove hood with fluid filter cleaning means
A stove hood with filters which may be flushed clean when desired, the hood having a roof, end members and a bottom trough which define at least one rectangular opening through which stove gaseous medium passes through a filter upward to an exhaust duct. ...
09/02/1997
5643539Regenerative incineration system
A filter utilizes a filter bed having a ceramic media to remove particulates from process emissions upstream of a regenerative incinerator to prevent fouling of the incinerator. To prevent the filter from fouling, the filter is adapted to "bake-off" conta...
07/01/1997
5620503Humidifier and method for humidifying air
A humidifier system includes a spray apparatus in a housing which sprays a mist of water droplets onto a mist eliminator to intercept the mist of water droplets. The mist of droplets is captured in a liquid phase by the mist eliminator and is substantiall...
04/15/1997
5575911Back-flushable filter having valved flusing pathway
A filter operable in either a filtering mode or in a flushing mode, includes a cylindrical filter body, and a plurality of partitions defining a plurality of axially-extending, circumferentially-spaced filter compartments each communicating with an axial ...
11/19/1996
5409513Apparatus for removing caprolactam emissions
Disclosed is an apparatus for removing caprolactam emissions from a broad variety of sources, especially from caprolactam polymerization operations and thermoplastic polycaprolactam processing operations which contains a header for collecting air containi...
04/25/1995
5389120Heating, ventilation and air conditioning unit with automatically controlled water spray air purification system
An automatically controlled water spray air purification system is incorporated in a heating, ventilating and air conditioning unit serving a conditioned interior building space. The purification system is operative to receive a portion of the return air ...
02/14/1995
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