Miscellaneous (e.g., Shapes) Patents (Class 55/529)
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Patent number: 8535406Abstract: A filter element utilizes a porous shape-retaining self-supporting non-woven web. The web includes thermoplastic elastomeric polymer fibers and active particles disposed in the fibers. The web also possesses a three-dimensional deformation.Type: GrantFiled: December 3, 2009Date of Patent: September 17, 2013Assignee: 3M Innovative Properties CompanyInventors: Britton G. Billingsley, Marvin E. Jones
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Patent number: 8500835Abstract: A hollow body for capturing particles includes at least one at least partially permeable wall extending between two at least partially oppositely disposed openings and along a first longitudinal direction. The hollow body has a primary cross-sectional shape defining a first cross-sectional area. At least one of the openings defines a second cross-sectional area. The second cross-sectional area is greater than the first cross-sectional area. An exhaust-gas treatment device having an exhaust line and a motor vehicle having an exhaust-gas treatment device are also provided.Type: GrantFiled: March 14, 2012Date of Patent: August 6, 2013Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbHInventors: Ludwig Wieres, Joachim Sittig, Hubertus Kotthoff
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Patent number: 8491691Abstract: 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 side panels of the air filter cartridge. The air filter cartridge can be used in a dust collector having a tubesheet and a frame arrangement extending from the tubesheet. The perimeter gasket member seals against the frame arrangement and the side gasket member seals against the tubesheet.Type: GrantFiled: October 11, 2010Date of Patent: July 23, 2013Assignee: Donaldson Company, Inc.Inventor: Thomas Donald Raether
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Patent number: 8465573Abstract: 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 housing. A method for conditioning air flow to a gas turbine includes flowing air through a filter housing connected to the gas turbine and flowing the air across a conditioning media in the filter housing. The method further includes conditioning the air flow to reduce the temperature difference of the air exiting the filter housing across a dimension of the filter housing.Type: GrantFiled: October 5, 2011Date of Patent: June 18, 2013Assignee: General Electric CompanyInventors: Michael Adelbert Sullivan, Huong Van Vu, Bhalchandra Arun Desai, Eric M. Lafontaine, Mark Andrew Cournoyer
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Publication number: 20130145735Abstract: A honeycomb filter includes a tubular honeycomb structure having porous partition walls with which there are formed a plurality of cells extending from one end surface to the other end surface to become through channels of a fluid; and plugged portions arranged in one open end portion of each of predetermined cells and the other open end portion of each of the remaining cells, porosities of the partition walls are 46% or less, a pore volume ratio of pores having pore diameters of 40 ?m or more is 7.5% or less, and a pore volume ratio of pores having pore diameters of 10 ?m or less is 25% or less, a permeability of the honeycomb structure is 0.8 ?m2 or more, and a coefficient of thermal expansion of the honeycomb structure in a range of 40 to 800° C. is 1.0×10?6/° C. or less.Type: ApplicationFiled: February 11, 2013Publication date: June 13, 2013Applicant: NGK INSULATORS, LTD.Inventor: NGK INSULATORS, LTD.
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Patent number: 8414676Abstract: Solutions for improving efficiency of a filter device for use with a machine requiring clean airflow are disclosed. In one embodiment, the filter device includes: a filter housing about an airflow inlet of the machine, wherein the filter housing comprises an air-permeable filter media configured to filter particles from multi-directional airflow moving through a substantial portion of the filter housing into the airflow inlet.Type: GrantFiled: February 26, 2010Date of Patent: April 9, 2013Assignee: General Electric CompanyInventors: Stephen David Hiner, Michael T. Adams, Charles Edward Thomas Brake
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Patent number: 8398735Abstract: A filter element includes support grid secured about its periphery edges to a periphery frame member. A pleated filter media is secured to the frame member and is sized and positioned to fully cover the filter fluid aperture. The support grid is positioned such that it is effective in providing support to the filter media against fluid forces. At least one elongated comb member is provided and includes a plurality of spaced tapered teeth protruding outwards towards the filter media. The teeth are sized and spaced to be received into at least a portion of grooves present between the pleats of the filter media. The teeth of the comb member are sized and spaced to regulate filter media pleat separation and spacing.Type: GrantFiled: March 19, 2012Date of Patent: March 19, 2013Inventors: Greg Bouhanna, Charles Vaillant, Andreas Steuss, Eduardo Garcia
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Patent number: 8367183Abstract: The breadth and width of a sheet-like filler material before it is placed in a cell of a honeycomb material is set greater than those of the honeycomb material, and after the placement, peripheral edges of the honeycomb material are fringed with filler materials to prevent a filler material from falling out of an end section cell. A liquid adhesive agent is applied to the top of cell walls facing one surface of the honeycomb material, and a surface material is pressed to that surface of the honeycomb material to which the adhesive agent is applied. Then, before the adhesive agent hardens, water-absorbing foam materials are placed in cell spaces by pressing them into the cell spaces from the other surface of the honeycomb material until they are in contact with the adhesive agent. The foam material is quickly adhered to the honeycomb material.Type: GrantFiled: July 18, 2011Date of Patent: February 5, 2013Assignee: Kabushiki Kaisha ShizukaInventors: Kouichi Take, Kunio Takahashi
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Patent number: 8361183Abstract: 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 a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered air flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered air from flowing out of the second portion of the plurality of flutes so that air passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the air. The fluted sheet includes repeating internal peaks facing toward the facing sheet and repeating external peaks facing away from the facing sheet.Type: GrantFiled: May 18, 2011Date of Patent: January 29, 2013Assignee: Donaldson Company, Inc.Inventors: Gary J. Rocklitz, Robert M. Rogers, Ming Ouyang, Anitha M. Mathew
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Publication number: 20120324843Abstract: The present application provides an inlet air pulse filtration system. The inlet air pulse filtration system may include an inlet filter house and a number of pulse filters positioned therein. One or more of the pulse filters may include a conical section, a transitional section, and a tapered section.Type: ApplicationFiled: June 23, 2011Publication date: December 27, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Rajesh Prabhakaran Saraswathi, Rahul Chillar
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Patent number: 8328897Abstract: An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.Type: GrantFiled: November 21, 2011Date of Patent: December 11, 2012Assignee: Donaldson Company, Inc.Inventors: Benny Kevin Nelson, Gregory Reichter, Bruce Boehrs, Paul Wendt
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Patent number: 8317890Abstract: Air filter assemblies and components therefor are described. The air filter assembly typically includes an air filter cartridge. Air filter cartridges including a media pack comprising at least a first stack of single facer strips are described. In examples described, at least a portion of the first stack of single facer strips is arcuate. Air filter assemblies are characterized that are configured, for example, to advantageously use such air filter cartridges. Example air filter assemblies are described that include pulse jet air cleaning systems.Type: GrantFiled: August 27, 2009Date of Patent: November 27, 2012Assignee: Donaldson Company, Inc.Inventors: Thomas Donald Raether, Benny Kevin Nelson, Jared Lee Niccum
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Patent number: 8303678Abstract: An air intake filter system for a gas turbine. The air intake filter system comprises a housing connectable with a gas turbine for fluid communication with the gas turbine. A frame is located within the housing. A filter assembly comprises a flange connectible with the frame to mount the filter assembly. The flange has a portion contained in a first plane that is adapted to extend in a substantially vertical direction when mounted in the frame. A filter portion is attached to the flange for filtering air therethrough that is communicated to the gas turbine. The filter portion includes filter media capable of separating moisture from air flowing through the filter portion. A moisture resistant first end is attached to the flange and filter portion. The first end has a portion contained in a second plane that extends at an acute angle relative to the first plane. The first end is adapted to form a drain surface to direct moisture away from the interior of the filter assembly.Type: GrantFiled: December 30, 2009Date of Patent: November 6, 2012Assignee: General Electric CompanyInventors: Richard P. Steele, Stephen Cromwell
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Publication number: 20120251398Abstract: A honeycomb filter 20 includes a plurality of porous partition portions 22 forming a plurality of cells 23 serving as channels of fluid and trapping layers 24 that are formed on the partition portions and configured to trap a solid component contained in the fluid. In the honeycomb filter 20, a predetermined trapping region present on the partition portions 22 satisfies that, in an inscribed-circle-diameter distribution obtained by dividing an image of the partition portions captured with an electron microscope into a material region and a plurality of pore regions and by drawing maximum inscribed circles individually inscribed in the pore regions, a median pore diameter D50 is 1 ?m or more and 6 ?m or less and a median pore diameter D80 is 1 ?m or more and 7 ?m or less, and an inscribed-circle porosity determined from the inscribed-circle-diameter distribution is 35% or more and 60% or less.Type: ApplicationFiled: March 12, 2012Publication date: October 4, 2012Applicant: NGK Insulators, Ltd.Inventors: Takashi MIZUTANI, Shingo Iwasaki, Yukio Miyairi
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Patent number: 8252083Abstract: The present invention is intended to provide a filter-holding object that allows air permeable filters to be peeled from a carrier tape in a satisfactory manner without increasing a tension applied to the carrier tape. A filter-holding object (1) includes: a carrier tape (2) extending in a specified direction; and a plurality of air permeable filters (3) held on the carrier tape (2) so as to be arranged in the specified direction. The air permeable filters (3) are shaped so that an end portion of each of the air permeable filters (3) on one side of the specified direction is sharpened toward the one side of the specified direction at an angle of 90 degrees or more. Preferably, the end portion of each of the air permeable filters (3) on the one side of the specified direction is sharpened at an angle of 135 degrees or less.Type: GrantFiled: March 5, 2010Date of Patent: August 28, 2012Assignee: Nitto Denko CorporationInventor: Satoru Furuyama
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Patent number: 8157883Abstract: A filter element, comprising a first component, a second component, and a filter medium, which is situated between the components, the components being spaced apart by the filter medium, the components and the filter medium delimiting a permeable volume, and the filter medium implementing a wall surface, through which a fluid may pass for filtering, is characterized in regard to the object of designing and refining a filter element in such a way that it may be used in tight installation spaces in that the components are oriented inclined to one another or have surfaces inclined to one another.Type: GrantFiled: June 9, 2009Date of Patent: April 17, 2012Assignee: Carl Freudenberg KGInventors: Uwe Felber, Ulrich Stahl, Claudio Marin, Christian Arns
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Patent number: 8147578Abstract: A filter assembly and filter element are provided utilizing a given volume of space effectively and efficiently with low restriction. An irregular shape filter is provided to fit the space, including a filter element circumscribing an inner plenum and having an axially extending sidewall. The sidewall has a differential axial height as it circumscribes the inner plenum.Type: GrantFiled: March 16, 2010Date of Patent: April 3, 2012Assignee: Cummins Filtration IP, Inc.Inventors: Robert A. Bannister, Kaarthik Venkataraman
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Patent number: 8128724Abstract: A filter element that has at least two, planar, non-curved filtration panels. In a preferred embodiment, the filter element has three panels, providing a generally triangular filter element. The outlet aperture, from the filter element, generally follows the configuration of the filter. That is, a filter element having three filtration panels will have a generally three-sided outlet aperture. The outlet aperture preferably is not a true polygon, but rather, includes rounded or curved sides and/or corners. The filter element includes an outlet sealing configuration that may provide both axial and radial sealing to outlet ductwork.Type: GrantFiled: April 16, 2009Date of Patent: March 6, 2012Assignee: Donaldson Company, Inc.Inventors: Jarren B. Mills, Daniel E. Adamek, Richard Dejong
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Patent number: 8123830Abstract: A filter element includes a flow-through element and a floor element that abut one another to form a crevice along a crevice length between the flow-through element and the floor element. The crevice traps a portion of particles that become dislodged from the flow-through element.Type: GrantFiled: October 19, 2009Date of Patent: February 28, 2012Assignee: Seagate TechnologyInventors: Clifford Jayson Bringas Camalig, Asmin Buang
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Patent number: 8114183Abstract: A coalescer is provided minimizing trade-offs among high removal efficiency, low pressure drop, long service life, and small size.Type: GrantFiled: February 3, 2006Date of Patent: February 14, 2012Assignee: Cummins Filtration IP Inc.Inventors: Brian W. Schwandt, Barry M. Verdegan, Roger L. Zoch, Jeffrey A. Fedorowicz, Kurt M. A. Badeau, Robert E. Muse, Peter K. Herman
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Patent number: 8105411Abstract: 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 second set of strips are arranged in an alternating pattern to define a first filter layer. The system also includes a second filter layer comprising a third filter material having a third density greater than the second density, wherein the first filter layer is coupled to the second filter layer. In other embodiments, the system includes a fluid filter which includes a first filter material having a first density, a second filter material having a second density greater than the first density, and a third filter material having a third density greater than the second density.Type: GrantFiled: August 28, 2008Date of Patent: January 31, 2012Assignee: Illinois Tool Works Inc.Inventors: Nekheel Gajjar, Paul R. Micheli
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Patent number: 8092768Abstract: Apparatus and methods for collection and removal of particulate matter, including fine particulate matter, from a gas stream, comprising a unique combination of high collection efficiency and ultralow pressure drop across the filter. The apparatus and method utilize simultaneous electrostatic precipitation and membrane filtration of a particular pore size, wherein electrostatic collection and filtration occur on the same surface.Type: GrantFiled: June 11, 2010Date of Patent: January 10, 2012Assignee: Energy & Environmental Research Center FoundationInventors: Stanley J. Miller, Ye Zhuang, Jay C. Almlie
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Patent number: 8083826Abstract: A honeycomb filter includes cell walls and cells. The cell walls extend along a longitudinal direction of the honeycomb filter to define the cells between the cell walls. The cells have first cells and second cells each having a substantially square shape in a cross-section perpendicular to the longitudinal direction. The first cells are sealed and the second cells are open at one end face of the honeycomb filter. The substantially square shape of the first cells includes a first side whose extended line intersects a second side except for corner portions of the substantially square shape of the second cells. The second side and the extended line of the first side are substantially perpendicular.Type: GrantFiled: December 3, 2010Date of Patent: December 27, 2011Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Patent number: 8080082Abstract: A honeycomb filter includes an outer wall having a substantially cylindrical shape and a central axis of the substantially cylindrical shape, first walls provided at an inner side of the outer wall and extending along the central axis, and second walls provided at the inner side of the outer wall and extending along the central axis. The first walls and the second walls substantially perpendicularly cross to define cells having a substantially square shape in a cross-section perpendicular to the central axis. A thickness of the outer wall in the cross-section at a first intersection between the outer wall and a first diameter substantially parallel to the first walls in the cross-section and a thickness of the outer wall in the cross-section at a second intersection between the outer wall and a second diameter substantially parallel to the second walls in the cross-section are largest.Type: GrantFiled: April 29, 2010Date of Patent: December 20, 2011Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Koji Shimato, Masahiro Tsuji
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Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines
Patent number: 8070847Abstract: A substrate has corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using the substrate having the open channel(s). The substrate (1) includes at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to the corrugated sheet (3) and between the flat wire mesh sheet (2) and the corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of the flat wire mesh sheet (2) is 0.05-2.0 mm smaller than the height of the corrugation (3c) of the corrugated sheet (3).Type: GrantFiled: April 23, 2007Date of Patent: December 6, 2011Assignee: Ecocat OyInventors: Juha-Matti Asenbrygg, Pekka Matilainen, Ari Lievonen, Erkki Narhi, Kati Lehtoranta -
Patent number: 8066790Abstract: A filter housing and filter cartridge engagement structure comprising a housing having at least one ramp adapted to engage lugs of the at least one filter cartridge.Type: GrantFiled: March 13, 2008Date of Patent: November 29, 2011Assignee: 3M Innovative Properties CompanyInventors: Howard D. Hutchinson, Mahesh Z. Patel
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Publication number: 20110283886Abstract: The present disclosure refers to a method for regenerating a filter adapted to remove particulate material from a gas. The disclosed method comprises at least producing at least one electric arc discharge pulse, the at least one electric arc discharge pulse being adapted to generate at least one pressure wave so that the particulate material is being dislodged from the filter. In addition, the disclosure refers to a filter regenerating arrangement and a diesel particulate filter.Type: ApplicationFiled: September 30, 2008Publication date: November 24, 2011Applicant: PERKINS ENGINES COMPANY LIMITEDInventors: Karim Ladha, Andrew M. Williams, John E. Harry, Colin P. Garner, David W. Hoare, David M. Heaton, Jonathan G. P. Binner
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Patent number: 8062399Abstract: An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described.Type: GrantFiled: October 14, 2009Date of Patent: November 22, 2011Assignee: Donaldson Company, Inc.Inventors: Benny Kevin Nelson, Gregory L. Reichter, Bruce Allen Boehrs, Paul Anthony Wendt
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Patent number: 8034145Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. Blocked stacked arrangements and slanted stacked arrangements are shown. Such stacked media is provided with molded end pieces to secure and seal opposite side edges of the media strips. Also described are serviceable filter cartridges and air cleaners including the filter cartridges.Type: GrantFiled: June 10, 2005Date of Patent: October 11, 2011Assignee: Donaldson Company, Inc.Inventors: Bruce Allen Boehrs, Paul Anthony Wendt, Gregory L. Reichter, Stephen W. Sabelko
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Patent number: 8029586Abstract: A filter pipeline for an air intake system of an internal combustion engine has a tubular body and a filter element arranged in the tubular body. The filter element is a filter bag of a flexible material that has an opening and is attachable in the area of the opening to the tubular body. The filter bag and an inner wall of the tubular body are shaped such that in a circumferential direction of the pipeline different spacings are provided between the filter bag and the inner wall of the tubular body.Type: GrantFiled: February 14, 2007Date of Patent: October 4, 2011Assignee: Mann+Hummel GmbHInventors: Jochen Linhart, Sascha Bauer, Michael Fasold
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Publication number: 20110229383Abstract: In operating the carbon monoxide removal reactor or the fuel reforming system, there is provided a technique for removing carbon monoxide in a stable manner for an extended period of time. In a method of removing carbon monoxide including an introducing step of introducing a reactant gas including mixture gas and an oxidizer added thereto to a carbon monoxide removal reactor forming in its casing a catalyst layer comprising a carbon monoxide removal catalyst for removing carbon monoxide contained in the mixture gas and a removing step of removing the carbon monoxide by causing the oxidizer to react with the mixture gas on the carbon monoxide removal catalyst, in said introducing step, the reactant gas of 100° C. or lower is introduced to the carbon monoxide removal reactor.Type: ApplicationFiled: May 31, 2011Publication date: September 22, 2011Applicant: OSAKA GAS CO., LTD.Inventors: Mitsuaki Echigo, Takeshi Tabata, Osamu Yamazaki
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Patent number: 8012439Abstract: A filter for filtering particulate matter (PM) from exhaust gas emitted from a positive ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a washcoat comprising a plurality of solid particles wherein the porous structure of the washcoated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size.Type: GrantFiled: February 25, 2010Date of Patent: September 6, 2011Assignee: Johnson Matthey Public Limited CompanyInventors: Louise Clare Arnold, Robert James Brisley, David Robert Greenwell, Christopher Gough Morgan
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Patent number: 8007556Abstract: A block, particularly for filtering particulates present in the exhaust gases of an internal combustion engine, includes a plurality of flow channels for the gases (14e,14s), each of the channels (14e,14s) being bounded by a side wall (22), a plug (15e,15s) and an opening (19e,19s) terminating outwardly. The block according to the invention is remarkable in that a first portion (34) of the side wall (22) of at least one of the channels (14p,14p?), called the “reinforced channel”, includes a reinforcement compared to the rest of the side wall (22) forming a second portion (36) of the side wall (22), the ratio (R) of the thickness of the first portion (34) to the thickness of the second portion (36), in any transverse plane of section (P), being between 1.1 and 3.Type: GrantFiled: December 22, 2004Date of Patent: August 30, 2011Assignee: Saint-Gobain Centre de Recherches et d'Etudes EuropeenInventors: Sébastien Bardon, Anthony Briot, Vincent Gleize
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Patent number: 7988756Abstract: A gas-solid separator has: an inner cylinder 10 having a closed lower end 11 and an opened upper end 1, and extending in a vertical direction; and an outer cylinder 2 that coaxially covers the inner cylinder 10 from the outside and has a gas vent port 6 formed on the upper end side of the inner cylinder and communicating with an exterior, wherein a plurality of axially extending long holes 4 are formed on a side surface on the lower end 11 side of the inner cylinder 10 in a circumferential direction, one of long side edge parts of each of the long holes 4 is provided with a guide blade 5 that protrudes outward and is inclined circumferentially so as to cover the long hole 4, and a part between the long holes 4 of the inner cylinder 10 is concaved in a center direction of the inner cylinder 10.Type: GrantFiled: July 5, 2007Date of Patent: August 2, 2011Assignees: Japan Cooperation Ctr., Petroleum, Nippon Oil CorporationInventors: Yuichiro Fujiyama, Toshiaki Okuhara, Shigeko Okuhara, legal representative
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Patent number: 7981189Abstract: The invention has a captive tooless fastener for securing the engine intake air filter. The tooless fastener comprises shaft and associated bodies. The body has two arms oriented about 180 degrees apart. The shaft is threaded through a sealing washer and an aperture in a closed end cap of the air filter. The shaft is expanded so it cannot be removed from the end cap. The body's threaded inner diameter mates with a threaded portion of a central shaft in an air filter housing. The body's arms are rotated to screw the fastener and the shaft of the housing together. When tightened, the sealing washer closes the aperture. To remove the air filter, the fastener is unscrewed from the shaft of the housing and in the shaft floats in the aperture. A person in the field can remove the air filter by inserting fingers under the arms and pulling.Type: GrantFiled: August 29, 2005Date of Patent: July 19, 2011Assignee: Greenlees Filter LLCInventors: Ronald Troxell, Roy E. Greenlees, Kenneth S. Schultz
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Patent number: 7981184Abstract: A diamond patterned tubular pleated filter element is disclosed. Also disclosed is a filter cartridge that comprises a core element having an inner diameter, two ends and apertures formed therein, a diamond patterned tubular pleated filter element having an inner and an outer diameter positioned about the core element wherein the ratio of the outer diameter to the inner diameter of the diamond patterned tubular pleated filter element is about 1.5 to about 2.5, an open end cap, for transferring fluid into or out of the core element, positioned at one end of the core, and a closed end cap, for preventing fluid from exiting therefrom, positioned at the other end of the core, the closed end cap including structure for positioning the open end cap in filtration housing. Systems and methods for manufacturing the filter cartridge and the diamond patterned tubular pleated filter media itself are also disclosed.Type: GrantFiled: March 13, 2008Date of Patent: July 19, 2011Assignee: 3M Innovative Properties CompanyInventors: Mahesh Z. Patel, Jonathan C. Taylor, Gary W. Schukar
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Patent number: 7967882Abstract: Embodiments of the present invention provide low-profile surface mount filters. One embodiment of the present invention includes a filter housing adapted to mount on a substrate block having a plurality of flow paths and a filter cavity defined therein. The filter cavity is defined to extend in a generally horizontal direction when the low-profile filter is in use. A first flow passage is defined to connect an inlet of the filter housing to a first section of the filter cavity and a second flow passage is defined to connect a second section of the filter cavity to an outlet of the filter housing. A filter assembly is disposed in the filter cavity and sealed to the surface of the filter cavity separating the filter cavity into adjacent sections including the first section of the filter cavity and second section of the filter cavity.Type: GrantFiled: October 4, 2010Date of Patent: June 28, 2011Assignee: Entegris, Inc.Inventors: Anthony DiPrizio, Nathan Abbott, Christopher Vroman, Rajnikant B. Patel, Eric McNamara
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Patent number: 7959714Abstract: A method is provided for servicing a filter, and structure is provided disabling assembly of the filter unless an authorized replacement filter element is used.Type: GrantFiled: November 15, 2007Date of Patent: June 14, 2011Assignee: Cummins Filtration IP, Inc.Inventors: Guillermo A. Smith, Chirag D. Parikh, Kwok-Lam Ng, Roger L. Zoch, Jim L. Alonzo, Brian W. Schwandt, J. Bruce Schelkopf, Barry M. Verdegan, Kelly R. Schmitz
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Patent number: 7959702Abstract: 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 a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered air flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered air from flowing out of the second portion of the plurality of flutes so that air passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the air. The fluted sheet includes repeating internal peaks facing toward the facing sheet and repeating external peaks facing away from the facing sheet.Type: GrantFiled: February 4, 2008Date of Patent: June 14, 2011Assignee: Donaldson Company, Inc.Inventors: Gary J. Rocklitz, Robert M. Rogers, Ming Ouyang, Anitha M. Mathew
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Publication number: 20110129391Abstract: A honeycomb filter includes cell walls. The cell walls extend along a longitudinal direction of the honeycomb filter to define a plurality of cells each of which has one end and another end opposite to the one end along the longitudinal direction. A majority of the plurality of cells are sealed cells sealed at either the one end or the another end. A part of the plurality of cells are open cells open at both of the one end and the another end. A number of the open cells is from about 0.1% to about 4.9% of a number of the plurality of cells.Type: ApplicationFiled: November 8, 2010Publication date: June 2, 2011Applicant: IBIDEN CO., LTD.Inventor: Kazutake OGYU
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Patent number: 7942947Abstract: A dust filter of an evaporated fuel treatment device is taught that preferably include a filtration member for filtering air introduced to an atmosphere introduction path, and a casing receiving the filtration member therein. The dust filter being disposed on the atmosphere introduction path of the evaporated fuel treatment device. The filtration member has an arcuate shape in cross section, and wherein the filtration member is arranged and structured such that air flows in a radial direction thereof, so as to be filtered.Type: GrantFiled: September 18, 2007Date of Patent: May 17, 2011Assignee: Aisan Kogyo Kabushiki KaishaInventors: Norihasa Yamamoto, Takashi Kato, Masahiro Sugiura
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Patent number: 7931723Abstract: A panel filter for removal of contaminants from a gas, the panel filter having at least one V-pocket formed of two halves, each half composed of multiple pleats of filter media. The pleats extend generally parallel, often at an angle of less than 5 degrees or even less than 1 degree, to the overall filtration path, so that air or gas to the filtered passes through the pleats in a generally straight manner, with minimal bends. Each pleat has two legs of different length. The panel filter provides improved dust collection and retention while restricting pressure drop.Type: GrantFiled: March 7, 2007Date of Patent: April 26, 2011Assignee: Donaldson Company, Inc.Inventor: Leon Robert Cuvelier
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Patent number: 7919304Abstract: A process and system are disclosed for the biofiltration of volatile organic compounds. The process involved recirculating contaminated effluent gas through a biofilter (1), the biofilter (1) having an inlet (20), outlet (15) and micro-organism laden filter media bed (3). The filter media bed additionally having moisture retaining properties. This process has been effective in removing high levels of VOCs from effluent gas streams and also in removing VOCs from an effluent gas stream where the VOC levels and/or volumes of effluent gas vary over time.Type: GrantFiled: May 3, 2001Date of Patent: April 5, 2011Assignee: Bord Na MonaInventors: Imelda Egan, Ian Phillips
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Patent number: 7905946Abstract: Apparatus and methods for separating a fluid are provided. The apparatus can include a separator and a collector having an internal volume defined at least in part by one or more surfaces narrowing toward a bottom portion of the volume. The separator can include an exit port oriented toward the bottom portion of the volume. The internal volume can receive a fluid expelled from the separator into a flow path in the collector and the flow path can include at least two directional transitions within the collector.Type: GrantFiled: August 12, 2008Date of Patent: March 15, 2011Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Mark M. Weislogel, Evan A. Thomas, John C. Graf
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Patent number: 7879142Abstract: A cyclone dust collector includes a cyclone body including a first cyclone chamber to centrifugally separate dust from drawn-in air for a first time, a plurality of second cyclone chambers to centrifugally separate dust from the drawn-in air for a second time, and a plurality of discharge ports to cause the drawn-in air to be discharged from the plurality of second cyclone chambers; an upper cover to cover an upper portion of the cyclone body, the upper cover having an inner wall facing the plurality of discharge ports; and a noise reduction part disposed between the plurality of discharge ports and the inner wall of the upper cover, to reduce noise generated inside the upper cover by the air discharged through the plurality of discharge ports. Therefore, it is possible to reduce noise generated inside the upper cover of the cyclone dust collector.Type: GrantFiled: June 5, 2008Date of Patent: February 1, 2011Assignee: Samsung Gwangju Electronics Co., Ltd.Inventors: Jung-gyun Han, Joung-soo Park, Byung-jo Lee, Tae-gwang Kim, See-hyun Kim
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Patent number: 7879122Abstract: An air filter and fan device for a vehicle ventilation system is disclosed that, in direction of air flow, includes an air filter, an impeller, and a flow-off channel. A casing is provided that accommodates the impeller and the flow-off channel in an enclosing manner such that the impeller is established with double-suction, receiving air from the air filter from both a first side and a second side or the impeller.Type: GrantFiled: March 14, 2008Date of Patent: February 1, 2011Assignee: Visteon Global Technologies, Inc.Inventors: Gerald Richter, Christoph Malig, Olaf Degenhardt
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Patent number: 7879125Abstract: A filter is provided by pleated filter media having a plurality of pleats defined by wall segments extending axially along an axial direction along an axis and extending transversely along a transverse direction between first and second sets of pleat tips at first and second sets of axially extending bend lines. The pleated filter media spans laterally along a lateral span along a lateral direction, with the wall segments being spaced from each other by lateral gaps. The pleats have a pleat depth along the transverse direction along the wall segments between the first and second sets of pleat tips. The pleat depth varies as the pleated filter media spans laterally along the lateral direction.Type: GrantFiled: December 8, 2009Date of Patent: February 1, 2011Assignee: Cummins Filtration IP Inc.Inventors: William C. Haberkamp, Jerald J. Moy, Eric A. Janikowski, Mark A. Terres, Scott P. Heckel
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Patent number: 7871958Abstract: A catalyst carrier includes a honeycomb structure where cells extending in a longitudinal direction are divided by cell walls; and a coating layer provided at a peripheral part of the honeycomb structure. The honeycomb structure and the coating layer contain at least one of inorganic fibers and whiskers. At least one of the inorganic fiber and whisker contained in the honeycomb structure is oriented mainly in a first direction. At least one of the inorganic fiber and whisker contained in the coating layer is oriented mainly in a second direction. The first direction and the second direction cross at substantially right angles to each other.Type: GrantFiled: September 11, 2007Date of Patent: January 18, 2011Assignee: Ibiden Co., Ltd.Inventor: Takahiko Ido
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Patent number: 7867456Abstract: A honeycomb structure 1 having an outer wall 7, partition walls 2 disposed inside the outer wall, and a plurality of cells 3 partitioned from one another by the partition wall 2 and extending in the axial direction, each cell having a generally rectangular cross-section shape in the direction perpendicular to the axial direction. The honeycomb structure 1 is characterized in that the honeycomb structure 1 is provided with a reinforced part 72 on a part of the outer wall 7. The honeycomb structure may exhibit excellent mechanical strength and low pressure loss.Type: GrantFiled: March 7, 2003Date of Patent: January 11, 2011Assignee: NGK Insulators, Ltd.Inventors: Yoshiyuki Kasai, Reiji Matsubara
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Patent number: 7857885Abstract: A column shaped filter having a honeycomb structure including a number of through holes extending parallel with one another in the length direction with wall portion interposed therebetween. The through holes are constituted by large-capacity through holes having a relatively larger cross-sectional area in the cross section perpendicular to the length direction and small-capacity through holes having a relatively smaller cross-sectional area in the cross section. The numbers of the two types of through holes are substantially set to the same. The large-capacity through holes are sealed at one end of the filter, while the small-capacity through holes are sealed at the other end of the filter. The large-capacity and small-capacity through holes have a ratio of partition wall length, ?, and an aperture ratio, ?, and ? and ? satisfy ??(20/9)?2+1 (where 0<??1.5 and 1<??6).Type: GrantFiled: June 11, 2007Date of Patent: December 28, 2010Assignee: Ibiden Co., Ltd.Inventors: Sungtae Hong, Teruo Komori, Kazushige Ohno