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Filtering

Filtering patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Gas Separation: Processes


Filtering



Filter media and elements
12/18/14 - 20140366732 - Fibrous filter medium that includes a melt-blown filter layer comprising melt-blown fibers and a high-efficiency glass-containing filter layer comprising glass fibers....

Roomside replaceable fan filter unit
09/18/14 - 20140260981 - Embodiments described herein relate to roomside replaceable fan filter units. In one embodiment, a roomside replaceable fan filter unit includes a housing having a filter receiving aperture and an air inlet, an aerosol injector, and a fan filter unit. The fan filter unit is coupled to the housing between the...

Air filter
09/18/14 - 20140260982 - An air filter including an open end, a closed end, and a filter area there between. The open end frictionally engages and seals an air port, while the closed end mates with the housing to secure the filter to the housing. The filter area is reinforced to provide a durable,...

Downflow dust collectors having dirty air channels
08/28/14 - 20140238240 - Dust collectors having one or more dirty air channels and a clean air plenum having upper and lower clean air chambers are described herein along with related methods....

Flame retardant for filter systems and method for improving flame resistance in filter systems
08/28/14 - 20140238241 - A method for improving flame resistance in filter systems in which an air flow charged with flammable aerosols is fed to a filter. The filter prevents a least a substantial portion of the flammable aerosol from reaching the air flow exiting the filter. A granular flame retardant material is fed...

Partial wall-flow filter and method
07/31/14 - 20140208946 - A partial wall-flow filter has an inlet end, an outlet end, and a plurality of parallel channels disposed and configured to flow fluid from the inlet end to the outlet end. The channels are defined by a plurality of porous walls. A first portion of the channels have a first...

Air filter system, air filter element and method for exchanging an air filter element
06/19/14 - 20140165834 - An air filter system, in particular for the intake air of internal combustion engines, is provided. It comprises a housing with a housing upper part and a round air filter element for filtering air, the housing comprising a clean air connection for discharging clean air from the housing and an...

Cartridge filter dimensional compensator
05/29/14 - 20140144320 - A cartridge filter insert includes a body, an internal opening, and an exterior surface. The internal opening is configured to permit an airflow through the body. The exterior surface is configured to removably engage a surface of a cartridge filter having an outlet. The internal opening has an inside dimension...

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials
05/22/14 - 20140137738 - A non-woven textile based filter media is produced from polyester fiber generated using recycled polyethylene terephthalate (PET) beverage bottles, and that non-woven textile based filter media is used to make an air filter. By controlling the diameters and lengths of the PET derived polyester fibers, a non-woven textile based filter...

Filter installation and method for operating a filter installation
05/15/14 - 20140130674 - In order to provide a filter installation, including a filter device for cleaning a raw gas flow loaded with paint overspray, the filter device including a filter element, on which paint overspray from the raw gas flow loaded with paint overspray is configured to be deposited together with the auxiliary...

Structural reinforcements for filter assemblies
01/16/14 - 20140013948 - A filter assembly is described herein for controlling the air passing therethrough. The filter assembly can include a housing comprising a cavity formed therein. The filter assembly can also include a filter positioned within the cavity and coupled to the housing. Further, the filter assembly can include a reinforcement structure...

Remodel construction air filter assembly for a cold air return
01/02/14 - 20140000458 - An air filter assembly for remodel construction has a housing with a frame configured to seat against a wall and about a cold air return. A grill defining a plurality of louvers and a rim is configured to cover at least a portion of the housing outer surface. The rim...

Filter design and process of capturing particles
12/26/13 - 20130340618 - Various embodiments disclose filtration apparatuses and processes for filtering particles from a particle-laden air stream. In one embodiment, a filter is provided with a front face layer, in which at least one impaction nozzle is formed, is to accelerate an air stream onto an interior substrate to capture large particle...

Filter cartridge with seal member and methods
11/14/13 - 20130298770 - An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth...

Reclamation of potable water from mixed gas streams
10/24/13 - 20130276632 - An apparatus for separating a liquid from a mixed gas stream can include a wall, a mixed gas stream passageway, and a liquid collection assembly. The wall can include a first surface, a second surface, and a plurality of capillary condensation pores. The capillary condensation pores extend through the wall,...

Air filtration media pack, filter element, air filtration media, and methods
09/05/13 - 20130228077 - An air filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from...

Filter for a pipe
08/29/13 - 20130220124 - The invention provides a filter for a pipe, the filter comprising an attachment portion for attaching to the pipe, and a filter surface for presentation to and filtering of an oncoming flow of the pipe, wherein the filter surface has at least one pointed apex for protruding into the oncoming...

Filter system
07/04/13 - 20130167721 - The present disclosure relates to a fabric filter system, which may be used for removing particulate matter from a gas, such as a combustion process gas. The fabric filter system includes fabric filters (3) in a filter module. From the fabric filters (3), gas flows through a filter plenary space...

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials
06/20/13 - 20130152792 - A non-woven textile based filter media is produced from polyester fiber generated using recycled polyethylene terephthalate (PET) beverage bottles, and that non-woven textile based filter media is used to make an air filter. By controlling the diameters and lengths of the PET derived polyester fibers, a non-woven textile based filter...

Server rack front door with contamination filter and sensor
05/16/13 - 20130118353 - An apparatus, system, and method for preventing server contamination. The system includes a server rack and a contamination filter secured to the server rack. The contamination filter may be configured to filter particulate substances and/or chemical substances from air. The system may include a reaction coupon configured to indicate the...

System and method for conditioning air flow to a gas turbine
04/11/13 - 20130087045 - A system for conditioning air flow to a gas turbine includes a filter housing and a conditioning media inside the filter housing to adjust the temperature of the air flowing through the filter housing. At least one of a depth or a density of the conditioning media varies across the...

Filter for electrical equipment
03/28/13 - 20130074697 - An air filter for electrical equipment includes metallic filter media including a first outer layer, an opposing second outer layer, and at least one inner layer disposed between the first outer layer and the opposing second outer layer, and a frame disposed along a perimeter edge of the filter media...

Radiological/biological/aerosol removal system
03/21/13 - 20130068098 - An air filter replacement system for existing buildings, vehicles, arenas, and other enclosed airspaces includes a replacement air filter for replacing a standard air filter. The replacement air filter has dimensions and air flow specifications that allow it to replace the standard air filter. The replacement air filter includes a...

Direct replacement air filter with automatic pleated filter media advance
03/21/13 - 20130068099 - The invention is directed to replacement media advancing air filter in air handling units with a flow channel. The filter having a housing and an exposure slot with filter media storage area that has an unexposed pleated, folded filter media portion stored therein. The filter media portion being folded and...

Hood air scoop
01/03/13 - 20130000487 - An apparatus and a system is provided that may be utilized to provide stability to air flow through a hood scoop. The present invention may also be utilized to straighten and smooth out air flow through a hood scoop and accompanying air filter media. The present invention utilizes an air...

Air inlet system for an internal combustion engine
12/20/12 - 20120318143 - An air inlet system (100) for an internal combustion engine includes an air filter (1) and a flow resistance means (2). The air filter (1) includes one or more filter elements (12), an interior chamber (3) and a suction opening (6). The suction opening (6) is provided to connect the...

Fluted filter media
12/13/12 - 20120312167 - Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends of the flutes larger in cross-section than the closed...

Dust screen and method for dry bulk storage units
12/06/12 - 20120304860 - A dust screen for an inspection hatch disposed in the roof or a side wall of a dry bulk storage unit for use during pneumatic loading of aggregate material from a pneumatic trailer via air pressure ducted into the bulk storage unit. The dust screen includes an elastic cord in...

Porous barrier for evenly distributed purge gas in a microenvironment
11/29/12 - 20120297981 - An improved system and method for purging a microenvironment to desired levels of relative humidity, oxygen, or particulates through the implementation of a purge gas delivery apparatus and method that provides even distribution of the purging gas within the microenvironment. A substrate container has a tower therein with a fluid...

Filter device for separating paint overspray
11/15/12 - 20120285323 - To provide a filter device for separating paint overspray from a raw gas flow containing overspray particles, comprising a casing, which delimits an interior of the filter device, in which at least one filter element is arranged, and at least one inlet channel, through which the raw gas flow enters...

Method and apparatus for disinfecting and deodorizing a toilet system
09/13/12 - 20120227586 - A method and an apparatus are provided for deodorizing and disinfecting air and droplets from urinal, toilet bowl, and other receivers and holders of urine and fecal matter. The apparatus comprises a housing (1) having an air inlet (2) and air outlet (3), wherein the housing (1) encloses a droplet...

Filter with odor suppression layer
08/09/12 - 20120199002 - The present invention discloses a filter having multiple layers including an odor suppressing layer for use with a plurality of different types of air flow inducing devices. One filter layer acts as a standard air filter to filter contaminants out of an air flow. Another filter layer serves as an...

Device and method for reducing spread of microorganisms and airborne health hazardous matter and/or for protection from microorganisms and airborne health hazardous matter
08/09/12 - 20120199003 - Disclosed is an air distribution control unit or a filtration/ventilation unit which is portable and/or can be mounted on or integrated in furniture e.g. as a cabinet of at the head region of a bed. The filtration/ventilation unit cleanses air from a person/patient by aspirating the person's/patient's exhalation air into...

Gas filter assemblies and methods for filtering gases
07/19/12 - 20120180664 - A gas filter assembly includes a housing and a gas filter positioned in the housing. The gas filter includes a pleated filter pack, a spacer arrangement which includes solidified bonding material between adjacent pleat legs on the upstream surface of the filter pack, and insert spacers between adjacent pleat legs...

Air filtration and purification apparatus
07/12/12 - 20120174785 - A method and apparatus for processing air is described herein. An example apparatus includes a housing, a high-velocity air flow guide, a filter assembly, and a fan. The high-velocity air flow guide includes a first portion and a second portion. The first portion is configured to form a passage within...

Filter media including glass fibers
06/28/12 - 20120160104 - The present disclosure generally relates to filter media including glass fibers. The fiber characteristics (e.g., composition, dimensions) are selected to impart the desired solubility, filtration and mechanical properties so that the filter media may be used in the desired application....

Filter element, particle filter, method for marking a filter element, method for producing a particle filter and use of a filter element
05/31/12 - 20120132076 - A filter element, a particle filter, a method for marking a filter element, a method for producing a particle filter and the use of a filter element are described. With such methods and filter elements, individual filter elements can be securely adhered in a simple manner to form a filter....

Filter rack, filter assembly, and method of filtering air
05/10/12 - 20120111197 - A filter assembly includes a main body configured to attach to an air duct and having an opening defining an air flow area dimensioned to match dimensions of the air duct. A track is disposed outside of the air flow area; and a filter is disposed in the track. A...

Flutable fiber webs with high dust holding capacity
04/26/12 - 20120097032 - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include...

Sintered porous material comprising particles of different average sizes
04/05/12 - 20120079940 - A porous membrane, comprising a blend of a first powder of metal particles of the first average size and a second powder of metal particles of a second average size, the first powder and the second powder sintered together. The first average size is five to fifty times greater than...

Self service kiosk incorporating moisture repellant filter
03/01/12 - 20120048115 - A self service kiosk station employing a water repellant air filter is provided. The self service kiosk may take many forms including a vending machine, gaming station, ATM, DVD rental machine, or the like. Positive pressure within the housing may be employed as well to keep contaminants outs and ensure...

Arrangement and method for forming a focused clean air zone column
02/09/12 - 20120031271 - An arrangement establishes a focused clean air zone column. The arrangement comprises an ultra-high grade filter having an air intake and an air flow generator that forces air from the intake through the filter. The air flow generator is operable to force air from the filter at a velocity between...

Personal air filtration device
02/02/12 - 20120024154 - A personal air filtration device and methods of using the same for providing a zone of filtered air proximate a breathing zone of a user are described. A blower provides an air flow to a head support which delivers the air flow to a zone proximate the users head. The...

Battery fire prevention device
02/02/12 - 20120024155 - A battery fire prevention device includes a lithium battery, a container, and a porous material. The container houses the lithium battery and has an outwardly interfacing wall with an aperture which extends therethrough to vent outgassed battery constituents generally away therefrom. The porous material is disposed within the container between...

Hood air scoop
12/01/11 - 20110290115 - An apparatus and a system is provided that may be utilized to provide stability to air flow through a hood scoop. The present invention may also be utilized to straighten and smooth out air flow through a hood scoop and accompanying air filter media. The present invention utilizes an air...

Hair straightening iron with toxic fumes filter
11/17/11 - 20110277634 - A system for filtering toxic fumes discharged from chemically treated hair, comprising a hair straightening iron connected to an electricity source, a hollow structure connected to one of the outer surfaces of the hair straightening iron, a hollow tube attached inside the hollow structure, the hollow tube comprising holes spanning...

Exhaust gas purifying system, method for manufacturing the exhaust gas purifying system and exhaust gas purifying method using the exhaust gas purifying system
10/27/11 - 20110259192 - An exhaust gas purifying system includes an exhaust gas purifying apparatus provided with a gas inlet side connected to an inlet pipe and a gas outlet side connected to an exhaust pipe. A holding sealing material of the exhaust gas purifying apparatus has a first side face and a second...

Filtration media for high humidity environments
10/20/11 - 20110252970 - The invention is directed to a nanofiber that contains at least one moisture sensitive polymer. The fiber also contains nanoparticles of a hydrogen bonding material incorporated into the body of the fiber. The hydrogen bonding material is present in an amount corresponding to greater than 2% of the polymer weight...

Air filteration system with quick connect
09/15/11 - 20110219953 - An air filtration system includes a housing that is interchangeably positioned within a plenum that is in fluid communication between the housing and a room. A fan is positioned within the housing and configured to draw contaminated air from the plenum. At least one filter member is positioned within the...

Portable canister vacuum
09/08/11 - 20110214567 - A portable handheld canister vacuum comprising an upper, central, and lower housing is disclosed. First and second grills can separate the housing sections. An air intake opening can direct air and dirt in a first axial direction to a dirt capturing device in the lower housing. An air propulsion device...

System and method for removing brake dust and other pollutants
09/08/11 - 20110214568 - Systems and methods for capturing pollutants from braking mechanisms are provided. The systems can include a housing partially surrounding at least a portion of a vehicle brake assembly and disposed to receive brake dust from the brake assembly and a collector disposed to capture the brake dust received in said...

Method and apparatus for operating ducted fumehoods with increased energy efficiency
07/28/11 - 20110179949 - passing exhaust air from the ducted fumehood through a heat exchanger, and passing other air through the heat exchanger, so as transfer heat content from the exhaust air to the other air, or to transfer heat content from the other air to the exhaust air, so as to temperature-condition the...

Partial wall-flow filter and method.
06/09/11 - 20110132194 - A partial wall-flow filter having some unplugged flow-through channels and some plugged channels. Desirable combinations of filtration efficiency and back pressure may be provided by combinations of t wall≦305 urn, MPD≦20 μm, % P≧50%, and CD≧250 cpsi wherein t wall is the transverse thickness of the porous walls, MPD is...

Filter cartridge with seal member and methods
04/14/11 - 20110083559 - An air filter cartridge has filter media and a gasket arrangement with a perimeter gasket member against the downstream flow face and a side gasket member adjacent to at least a partial extension of a first side panel. The side gasket member includes no portion against second, third, and fourth...

Direct replacement air handler filter with automatic filter media advance
03/17/11 - 20110061537 - The invention is directed to a direct replacement air handler filter that is placed within an air flow channel within an air handler unit having a unitary housing comprised of at least one of an environmentally friendly plastic, cellulose, cardboard, paper or similar material with a uniform thickness throughout its...

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials
02/10/11 - 20110030557 - A non-woven textile based filter media is produced from polyester fiber generated using recycled polyethylene terephthalate (PET) beverage bottles, and that non-woven textile based filter media is used to make an air filter. By controlling the diameters and lengths of the PET derived polyester fibers, a non-woven textile based filter...

Dust collector, filtration arrangment, and methods
02/10/11 - 20110030558 - A dust collector includes a collector housing and a filter arrangement. The collector housing includes a hopper and has walls defining an unfiltered air plenum, a filter region, a filtered air plenum, an air inlet, and an air outlet. The air inlet has a first dimension across a widest portion...

Soot filter having oblique corrugated layers
01/27/11 - 20110017064 - A soot filter for removing soot from engine exhaust. The soot filter comprises an inlet, an outlet disposed opposite the inlet, a first corrugated layer having a first series of parallel ridges extending from the inlet to the outlet and aligned in a first direction, and a second corrugated layer...

Flutable fiber webs with high dust holding capacity
12/23/10 - 20100319543 - The fiber webs described herein may be incorporated into filter media and filter elements. The fiber webs may exhibit a high dust holding capacity. The fiber webs may also exhibit a low thickness. The fiber webs may be sufficiently flexible and/or deformable so that they may be processed to include...

Hood air scoop
12/23/10 - 20100319544 - An apparatus and a system is provided that may be utilized to provide stability to air flow through a hood scoop. The present invention may also be utilized to straighten and smooth out air flow through a hood scoop and accompanying air filter media. The present invention utilizes an air...

Air cooling system incorporating membrane-free filter and/or integral framing for filter
12/16/10 - 20100313757 - A filter for an electronics cooling unit of a telecommunications base station, the electronics cooling unit adapted to receive fresh air into a housing of the cooling unit through an opening communicating with the external environment. The filter includes a structural support configured to be mounted to said housing, a...

Filter medium
12/09/10 - 20100307338 - The present invention relates to a method for the manufacture of a multilayered filter medium whose air permeability is at least 500 l/m2sec and a multilayered filter medium obtainable by said method which, when charged with 5 mg/cm2 SAE-dust of the class “fine”, exhibits a pressure increase of no more...

Gas filtration structure with asymmetrical hexagonal channels
12/02/10 - 20100300291 - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting...

Gas filtration structure with asymmetrical hexagonal channels
10/28/10 - 20100269697 - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting...

Cooling system with debris filtering
07/15/10 - 20100175554 - A cooling system includes a fan chassis housing a fan. A fluid outlet is defined by the fan chassis and located adjacent the fan such that a fluid flow path is defined from the fan, through the fluid outlet, and out of the fan chassis. A filter coupling wall is...

Polyamide fine fibers
07/15/10 - 20100175555 - One aspect of an improved microfiber and nanofiber properties can be obtained from a novel nylon material. The nylon can comprise a nylon copolymer comprising (diamino-dicyclohexyl)-alkane, preferably bis-(4 amino-cyclohexyl)methane and at least one other nylon monomer. Another aspect of the novel nylon can comprise a poly alkylene oxide-nylon block copolymer....

Multi-use personal ventilation/filtration system
07/15/10 - 20100175556 - A ventilation device uses a cross-flow fan and one or more filters, where the filter preferably has a J-shape that at least partially surrounds the rotor of the cross-flow fan. In one embodiment, the filter includes a plurality of pleats, preferably along a bottom surface of the filter. The filters...

Method and system for cleaning atmospheric pollution
04/29/10 - 20100101417 - A system (10) for cleaning atmospheric pollution, the system (10) including at least ne air inlet (30) of a building (20) to draw polluted air (15) from the atmosphere, an air passageway (55) to direct the polluted air (15) to a filtration system (80) located at the premises of the...

Personal air filtration device for use with bedding structure
04/29/10 - 20100101418 - Devices, methods and systems for creating a zone of filtered air proximate a head of a user including an air filtration device including a blower being configured to be disposed within, below, or affixed to a bedding structure, an air plenum in flow communication with the blower and in support...

Fluid filter system and method
03/04/10 - 20100050870 - A system, in certain embodiments, includes a fluid filter that includes a first set of strips of a first filter material having a first density, and a second set of strips of a second filter material having a second density greater than the first density, wherein the first set and...

Air-jacketed coalescer media with improved performance
03/04/10 - 20100050871 - Disclosed is coalescing media for coalescing a mixture of two phases, namely a continuous phase and a dispersed liquid phase. The media includes polymeric base material having a surface with asperities, and the surface is heterogenous with respect to hydrophilicity/hydrophobicity. The media is configured for coalescing a dispersed liquid phase...