Zigzag, Corrugated, Or Conical Patents (Class 55/521)
  • Patent number: 11846444
    Abstract: A refrigerator having an air processing apparatus includes a first cabinet including a storage compartment and second cabinet mounted at one surface of the first cabinet includes an inlet hole and an outlet hole, a blower fan to blow the air drawn into the inlet hole towards the outlet hole, and a filter unit to filter the air drawn into the second cabinet via the inlet hole. A first PCB includes a first control unit to control at least one of a compressor and a pressure regulator, and a second PCB includes a second control unit to control the blower fan. A first mounting unit at one surface of the first cabinet defines a predetermined space which can accommodate the first PCB, and a second mounting unit at one surface of the second cabinet defines a predetermined space which can accommodate both the first PCB and the second PCB.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: December 19, 2023
    Assignee: LG ELECTRONICS INC.
    Inventor: Younghoon Yun
  • Patent number: 11413563
    Abstract: Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional tapered flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: August 16, 2022
    Assignee: Donaldson Company, Inc.
    Inventor: Gary J. Rocklitz
  • Patent number: 11364462
    Abstract: The technology disclosed herein generally relates to fluted filter assemblies, where flutes formed in the filter media extend from a first flow face of the filter assembly to a second flow face of the filter assembly, where one flow face is an inlet and one flow face is the outlet. Some embodiments relate to first flute distance between the first flow face and the second flow face differing from a second flute distance between the first flow face and the second flow face by greater than 2 mm. In some embodiments at least one of the first flow face and the second flow face is non-planar, while in other embodiments at both of the first flow face and the second flow face are planar and non-parallel. Other embodiments are described.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 21, 2022
    Assignee: Donaldson Company, Inc.
    Inventor: Mark A. Sala
  • Patent number: 11225738
    Abstract: A long-fiber nonwoven fabric includes fibers having a birefringence (?n) of more than or equal to 0.005 and less than or equal to 0.020 and an average fiber diameter of more than or equal to 30 ?m and less than or equal to 60 ?m, and has a basis weight amount of more than or equal to 50 g/m2 and less than or equal to 120 g/m2, an average value of Gurley bending resistances in an MD direction and a CD direction according to JIS L1096 (2010) 8.22.1 Method A of more than or equal to 100 mg and less than or equal to 200 mg, and a value of the Gurley bending resistance in the MD direction/the Gurley bending resistance in the CD direction of less than or equal to 3.0.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: January 18, 2022
    Assignee: TOYOBO CO., LTD.
    Inventors: Hideo Yoshida, Chiaki Katsuki, Masahiro Saijo
  • Patent number: 11135541
    Abstract: This document presents an apparatus for a flexible air filter media that can be configured for shipping and storage having one or more flexible inserts mounted to the filter media along one or more portions of the accordion folds of the air filter material. The current invention permits the air filter apparatus to fold along both X and Y axes, create a tri-fold, and bend in a manner that provides for a much smaller volume for shipping purposes. The invention also permits attaching the flexible material to the center of the filter media and also inserts which allow sections of the air filter media to be nested one into another to reduce both shipping and storage volume.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: October 5, 2021
    Assignee: Second Nature Brands, Inc.
    Inventors: Kevin James Barry, Thaddeus Worth Tarkington
  • Patent number: 10961957
    Abstract: A filter cartridge for a filter for filtering of fluid is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame in the area of the outflow surface and separates a filter interior of a filter into a clean side and a raw side. Another configuration of the filter cartridge is provided that has an edge protection extending externally circumferentially about the filter cartridge frame in the area of the inflow surface. The edge protection connects the filter body and the filter cartridge frame with each other.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 30, 2021
    Assignee: Mann+Hummel GmbH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 10920347
    Abstract: A sheet comprising fibers, resin, and a marking. The resin is a fusion bonding resin, and the fibers are bound to each other by melting the fusion bonding resin. The fibers include defiberated recycled sheet(s). The marking is formed on a surface of the sheet and readable by a reading unit of a supply unit for supplying feedstock to a recycled sheet manufacturing apparatus. When the marking is read by the reading unit, the reading unit is caused to determine that the sheet is made from defibrated recycled sheet.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: February 16, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Toshiaki Yamagami, Yoichi Miyasaka, Nobuhito Takahashi
  • Patent number: 10786773
    Abstract: In an embodiment, the present invention provides a filter element including: a bellows in the shape of a zig-zag having pleat walls and a pleat ridge, edges of the pleat walls and the pleat ridge being provided with edge elements; and a frame element being assigned to at least one end pleat of the bellows. The frame element surrounds the end pleat so as to form a positive fit on both sides, the frame element being fixed to the edge elements.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Regina Brack, Uwe Haefner, Alexander Oelsner
  • Patent number: 10575571
    Abstract: A flat-fold respirator is made from a stiff filtration panel joined to the remainder of the respirator through at least one line of demarcation. The panel contains a porous monocomponent monolayer nonwoven web that contains charged intermingled continuous monocomponent polymeric fibers of the same polymeric composition and that has sufficient basis weight or inter-fiber bonding so that the web exhibits a Gurley Stiffness greater than 200 mg and the respirator exhibits less than 20 mm H2O pressure drop. The respirator may be formed without requiring additional stiffening layers, bicomponent fibers, or other reinforcement and can be flat-folded for storage. Scrap from the manufacturing process may be recycled to make additional stiff filtration panel web.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 3, 2020
    Assignee: 3M Innovative Properties Company
    Inventors: Seyed A. Angadjivand, James E. Springett, John M. Brandner, Marvin E. Jones, Andrew R. Fox, Michael R. Berrigan, John D. Stelter
  • Patent number: 10252201
    Abstract: The prevent invention addresses the problem of providing a multilayer filter medium for a filter having low pressure loss and high collection efficiency, a method for producing the same, and an air filter not only having low pressure loss and high collection efficiency but also being excellent in pleatability and wind-pressure deformation resistance. The multilayer filter medium for a filter as a means for resolution is obtained by laminating a wet-laid nonwoven fabric layer (2) on a wet-laid nonwoven fabric layer (1). The wet-laid nonwoven fabric layer (1) includes a nanofiber A having a single-fiber diameter within a range of 200 to 800 nm and a fiber length within a range of 0.4 to 0.7 mm, a fiber B having a greater single-fiber diameter than the nanofiber A, and a binder fiber C. The wet-laid nonwoven fabric layer (2) includes a nanofiber A having a single-fiber diameter within a range of 200 to 800 nm and a fiber length within a range of 0.4 to 0.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: April 9, 2019
    Assignee: TEIJIN FRONTIER CO., LTD.
    Inventor: Mie Kamiyama
  • Patent number: 10188978
    Abstract: Filter media packs and methods of forming the filter media packs are provided. The filter media packs include support beads for supporting flutes during winding of the filter media of the filter media pack. Filter media packs may also include stitch beads between adjacent layers of the filter media pack that are applied during the winding process to prevent slippage of adjacent layers of filter media. Methods of forming the filter media pack include applying the support beads or applying the stitch beads.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: January 29, 2019
    Assignee: Baldwin Filters, Inc.
    Inventors: Timothy L. Krull, Jeffrey E. D. Rogers
  • Patent number: 10113097
    Abstract: The present disclosure relates to a process for the production of a thermally conductive article that includes (1) pleating a thermally anisotropic sheet having a thermal conductivity in a first plane that is higher than the thermal conductivity in a second plane perpendicular to the first plane and (2) compacting the pleated structure. An article obtained by the process, the use of the thermally conductive article for production of a device, and the device are also disclosed.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 30, 2018
    Assignees: W.L. Gore & Associates, Inc., W.L. Gore & Associates GmbH
    Inventors: Alexander Zaggl, Holger Zoudlik, Michael Wendlandt, Michael Adam Hall
  • Patent number: 10058812
    Abstract: Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional tapered flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: August 28, 2018
    Assignee: Donaldson Company, Inc.
    Inventor: Gary J. Rocklitz
  • Patent number: 9932942
    Abstract: A flexible porous non-pollutive tube, wherein the walls of the tube are made by tapes formed by interlaced textile fibers, and to which activated charcoal is added, in agglomerate, powder or granulated form, and the textile tapes being wound over the charcoal and glued among the charcoal in the helical direction, forming an air conducting acoustic flexible helical pipe which is a part of a combustion engine's intake system used by the automobile industry, and adding the activated charcoal in the walls or in the pipe's external or internal lining.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: April 3, 2018
    Inventor: Edmond Pol Jean Lepoutre
  • Patent number: 9759437
    Abstract: A dehumidification system including: an exhaust path for exhausting indoor air to the outdoor space; an inlet path for entering outdoor air to the indoor space from the outdoor space; an indoor air bypass path bypassing a part of indoor air to be exhausted to the exhaust path to the inlet path by connecting the exhaust path and the inlet path; an outdoor air bypass path bypassing a part of outdoor air to be flowed to the inlet path to the exhaust path by connecting the inlet path and the exhaust path; and a porous separation membrane filter installed between the indoor air bypass path and the outdoor air bypass path and passing water molecules included in indoor air passing through the indoor air bypass path through the outdoor air bypass path.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: September 12, 2017
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Min Sung Kim, Gil Bong Lee, Young Jin Baik, Jun Hyun Cho, Ho Sang Ra
  • Patent number: 9527027
    Abstract: 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: Grant
    Filed: May 12, 2014
    Date of Patent: December 27, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas Raether, Benny K. Nelson, Jared Niccum
  • Patent number: 9492775
    Abstract: The present invention is directed, in part, to air filtration media, air filtration media packs, air filtration elements, and methods of making air filtration media, media packs, and filtration elements. The air filtration media typically has a fiber composition that is primarily cellulose fibers, the media having a low solidity and low basis weight and being suitable for forming of structured flutes into the media. In certain embodiments a resin is added such as a solvent based resin.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 15, 2016
    Assignees: Donaldson Company, Inc., Ahlstrom Corporation
    Inventors: Kristin M. Amsden, Kevin R. Schouweiler
  • Patent number: 9084957
    Abstract: Pleated filtration media, media packs, filter elements, and methods for filtering fluid are provided which contain three dimensional flutes in the media surface, the flutes configured to improve filter performance. In certain embodiments the flutes have defined peaks that reduce masking between adjacent pleats, the flutes have ridges along their length to modify flute cross sectional geometry, and/or the flutes provide for volume asymmetry across the media.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: July 21, 2015
    Assignee: Donaldson Company, Inc.
    Inventor: Gary J. Rocklitz
  • Patent number: 9079132
    Abstract: A filter element includes a single seamless media pack having first and second opposite ends and first and second lateral sides extending between the first and second ends. The media pack also has pleats extending between the first and second ends and a first cross-section defined between the first and second lateral sides. The first cross-section having at least one outward projection that defines an internal radius of at least ¼ inch wherein a plurality of pleats of the media pack are fanned around the internal radius. A first end cap is secured to the first end of the media pack while a second end cap secured to the second end of the media pack. Additionally, a frame member is secured to the first end cap, second end cap, the first lateral side, and the second lateral side. A pre-filter is usable with described filter arrangements.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: July 14, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Michael Handley, Dominique Renwart, Benjamin Nichols, Herman Vanormelingen, Jimmy Vanderlinden, Timothy Sporre
  • Patent number: 9039802
    Abstract: The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: May 26, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Steven Gieseke, Douglas Iddings
  • Publication number: 20150135665
    Abstract: A cabin air filter is provided with a filter element receptacle and a filter element having a fold pack. The filter element is inserted in an insertion direction into the filter element receptacle. The filter element is provided with a sword that extends in the insertion direction away from a face of the filter element. The filter element has lateral strips that close off the fold pack on at least two sides of the fold pack. The sword is preferably inherently stable so that it can transmit compressive forces from the filter element to the receptacle.
    Type: Application
    Filed: November 16, 2014
    Publication date: May 21, 2015
    Inventors: Tina Bayerlein, Peter Pekny, Elmar Riess, Emrullah Atilgan
  • Publication number: 20150121823
    Abstract: Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications.
    Type: Application
    Filed: October 8, 2014
    Publication date: May 7, 2015
    Applicant: Hollingsworth & Vose Company
    Inventor: David T. Healey
  • Publication number: 20150114228
    Abstract: A filter element for the filtration of the incoming cabin air of vehicles is disclosed. The filter element can be readily regenerated and reused in a dust-loaded environment. The filer element includes a main body formed from at least one filter medium. The main body has an inflow side and an outflow side. The filter element is used as a regenerable filter element for the filtration of the incoming cabin air in a vehicle which is subjected to elevated dust loading. A coating of nanofibres and/or a diaphragm is arranged on the inflow side of the main body.
    Type: Application
    Filed: October 23, 2014
    Publication date: April 30, 2015
    Inventors: Thomas Stoeßer, Maik Sieh, Renate Tapper
  • Patent number: 8986414
    Abstract: A method of manufacturing a selected spacing folded, pleated media by preparing a pre-pleated sheet of filter media having pleats with peaks and troughs throughout its length applying an at least one adhesive element along the pre-pleated sheet of filter media; advancing and cutting the pre-pleated sheet of material; compressing the cut length of pre-pleated sheet of filter material, resulting in folding of the pleats and adherence of the pleats into a folded, pleated filter media stack that is selectively separable; selectively separating the media stack and selecting a pleat spacing for a selected pleat spacing section application of an at least one spacing support element at the peaks of each pleat and refolding and recompressing into a selected spacing folded, pleated media stack wherein the media stack is adhered and can be selectively removed to extend from a compacted state to a deployed state with the selected pleat spacing.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: March 24, 2015
    Inventor: Challen Sullivan
  • Patent number: 8986539
    Abstract: In an inside-out flow filter, a transition pressure recovery member is provided at the inlet and has structured contoured guide surfaces guiding fluid flow therealong into the hollow interior of an annular filter element to minimize transition pressure loss from the inlet to the hollow interior. The transition pressure recovery member includes transition flow deceleration surfaces gradually decelerating flow of fluid into the hollow interior and minimizing pressure drop.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: March 24, 2015
    Assignee: Cummins Filtration IP Inc.
    Inventors: Peter K. Herman, Bradley A. Smith, Benjamin L. Scheckel
  • Patent number: 8979968
    Abstract: 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 filter material that removes radiological or biological or aerosol particles.
    Type: Grant
    Filed: September 7, 2012
    Date of Patent: March 17, 2015
    Assignee: Lawrence Livermore National Security, LLC
    Inventor: Jeffery J. Haslam
  • Patent number: 8979962
    Abstract: A filter element for insertion into a housing of a ventilation or air-conditioning system, including a bellows with pleated walls and pleat tips and a front face, which can be faced towards a wall of the housing, wherein a guide duct is allocated to the front face, wherein the guide duct is formed by at least one breakthrough in the pleated walls and/or in a side strip that is hemming the front face, in view of the object to indicate a mechanical coding for a filter element which ensures a unique allocation of a filter element to a housing, wherein the filter element is provided with breakthroughs and wherein the mechanical strength of pleated walls and side strips is impaired as little as possible by the breakthroughs, characterized in that the breakthrough is provided with a reinforcing.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 17, 2015
    Assignee: Carl Freudenberg KG
    Inventors: Uwe Haefner, Dieter Unrath, Roland Dobner
  • Patent number: 8979964
    Abstract: Filter element or air filter in the configuration of a multiple bellows filter with an increased efficiency for use in internal combustion engines, wherein a folded filter bellows is arranged radially inwardly of another folded filter bellows and the inner folded filter bellows has a greater or deeper fold depth than the outer folded filter bellows.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: March 17, 2015
    Assignee: Mann+Hummel GmbH
    Inventors: Karlheinz Muenkel, Markus Kolczyk, Stefan Becker, Michael Heim
  • Patent number: 8973761
    Abstract: Disclosed in this specification is a method for making a pleated filter cartridge by placing a pleated filter on a mold and adding a polymerizable potting compound to the inner cavity of the pleated filter. The potting compound is permitted to cover the portion of the upper surface of the mold that is encompassed by the pleats. The potting compound is selected to form a polyurethane after polymerization is complete.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: March 10, 2015
    Assignee: BHA Altair, LLC
    Inventors: Vishal Bansal, Jason Mei, Jeff Allen Canfield, Bryan David Yetter
  • Publication number: 20150053606
    Abstract: A nonwoven sheet contains a substrate layer formed from a fiber aggregate nonwoven structural member; the fiber aggregate nonwoven structural member containing a thermal adhesive fiber; the thermal adhesive fibers are melt-bonded to fix the fibers of the member. The average thickness of the substrate layer is adjusted to not less than 0.2 mm to less than 1 mm, and the thermal adhesive fibers are substantially uniformly melt-bonded in a surface direction of the substrate layer. The sheet may have a surface layer over at least one side of the substrate layer, the surface layer may contain a fiber aggregate nonwoven structural member having an apparent density higher than the apparent density of the substrate layer. The surface layer may comprise a layer formed by heat-pressing or may be formed from a meltblown nonwoven fabric. The thermal adhesive fiber may be substantially uniformly melt-bonded in a thickness direction of the substrate layer.
    Type: Application
    Filed: March 28, 2013
    Publication date: February 26, 2015
    Applicant: KURARAY CO., LTD.
    Inventors: Yasuhiko Sakamoto, Sumito Kiyooka
  • Patent number: 8961722
    Abstract: Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: February 24, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf, Gregory Reichter, Daniel Risch
  • Patent number: 8956433
    Abstract: A V-bank air filter having a high air flow rate with low pressure drop is provided. In one embodiment, a V-bank filter includes a housing having a first pair and a second pair of pleated filter elements arranged in a vee configuration and comprising a unitary disposable filter. A centerline defined by the first pair of pleated filter elements defines an acute angle with a centerline defined by the second pair of pleated filter elements.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: February 17, 2015
    Assignee: Camfil USA, Inc.
    Inventors: Anders Sundvik, Daniel Runefelt
  • Patent number: 8945268
    Abstract: A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: February 3, 2015
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Patent number: 8945267
    Abstract: A collapsible air cleaner filter is provided. The filter includes a pleated media filter having a first end, a second end, and a filter media extending between the first and second ends, wherein the filter media includes a first plurality of flexible end portions and a second plurality of flexible end portions, the first and second plurality of flexible end portions are separated by a plurality of pleats, and the filter media extends a first length between the first and second plurality of flexible end portions, and an end member coupled to the first end of the pleated media filter, the end member extending a second length parallel to the first length, the first length being greater than the second length.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: February 3, 2015
    Assignee: Research Products Corporation
    Inventors: Thomas J. Anoszko, John R. Genova
  • Patent number: 8940069
    Abstract: An interior air filter for a motor vehicle has a fold pack having a first side. A material with a first leg and a second leg is disposed on the first side. The first leg is attached to the first side and the second leg has a width that is greater than a height of the fold pack. The material strip forms at least partially a head band or a side band of the fold pack. A filter receptacle for the interior air filter has a slanted wall and a mounting and removal opening through which the interior air filter is inserted or removed from the filter receptacle in a mounting and removal direction. The slanted wall extends at an angle that corresponds to an angle defined by the second leg of the material strip of the interior air filter and a contact surface of the filter receptacle.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: January 27, 2015
    Assignee: Mann+Hummel GmbH
    Inventor: Dominik Haider
  • Patent number: 8940073
    Abstract: The invention relates to a filter material for cleaning air and gases, comprising a fiber layer (2) made of cellulose fibers bonded to each other in segments by pressing, thus compacting the cellulose fibers in the pressed areas (4).
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: January 27, 2015
    Assignee: McAirlaid's Vliesstoffe GmbH
    Inventor: Andreas Schmidt
  • Publication number: 20150013542
    Abstract: Disclosed are an air filter element, a filter housing, and an air filter in which the air filter elements have a high filtering capacity and a long service life by increasing the filter surface of an air filter element taking into account structural requirements for the air filter housing.
    Type: Application
    Filed: July 14, 2014
    Publication date: January 15, 2015
    Inventors: Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Duc Cuong Nguyen, Pascal Neef, Werner Blossey, André Roesgen, Thomas Jessberger, Pedro Miguel Pereira Madeira, Michael Heim, Mike Schmid, Martin Schmid, Gelase Mbadinga-Mouanda, Andreas Weber, Christian Thalmann
  • Publication number: 20150013290
    Abstract: A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Applicant: CUMMINS FILTRATION IP, INC,
    Inventors: Mark V. Holzmann, Arun Janakiraman, Orvin D. Kendall, Scott W. Schwartz, Eric A. Janikowski, Michael J. Connor, Kurt M. A. Badeau, Murray R. Schukar
  • Publication number: 20150007732
    Abstract: Disclosed are an air filter element, a filter housing, and an air filter in which the air filter elements have a high filtering capacity and a long service life by increasing the filter surface of an air filter element taking into account structural requirements for the air filter housing.
    Type: Application
    Filed: July 14, 2014
    Publication date: January 8, 2015
    Inventors: Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Duc Cuong Nguyen, Pascal Neef, Werner Blossey, André Roesgen, Thomas Jessberger, Pedro Miguel Pereira Madeira, Michael Heim, Mike Schmid, Martin Schmid, Gelase Mbadinga-Mouanda, Andreas Weber, Christian Thalmann
  • Patent number: 8926725
    Abstract: A V-shaped filter includes a V-shaped carrier frame, first and second cartridge frames movably mounted to the carrier frame, and first and second filter element cartridges removably and replaceably mounted to the first and second cartridge frames, respectively. The first and second cartridge frames are movable to an inserted position in the V-shaped carrier frame providing an installed condition with the first and second cartridge frames forming a V-shape, and are movable to an extended position extending beyond the V-shaped carrier frame and providing a replacement-service condition.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: January 6, 2015
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Gregory K. Loken, Mark V. Holzmann, Peter K. Herman, Scott W. Schwartz, Travis E. Goodlund
  • Patent number: 8920529
    Abstract: A filter housing may include a filter insert configured to be inserted into the filter housing. The filter insert may have two spaced and opposite base discs and a filter wall configured to connect edge zones of the base discs. The filter insert may be penetrated by an opening connected to at least one of an untreated space inlet and clean space outlet of the housing. The opening is arranged in a flange plate connected in a leakproof manner to the base discs and the flange plate may be connected in a leakproof manner to the filter wall.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: December 30, 2014
    Assignee: Mahle International GmbH
    Inventors: Ralf Disson, Dieter Goldmann, Rainer Handel, Thilo Rother, Falko Schwoerer, Matthias Traub, Hendrik Von Merkatz
  • Patent number: 8920528
    Abstract: A filter cartridge includes a media pack having first and second opposite flow faces; the media pack comprising flutes extending in a direction between the inlet flow face and the outlet flow face; a frame mounted on the second flow face of the media pack; a seal support section extending from the base member; and first and second opposite and spaced blades extending from the base member and in a different direction from the base member as the seal support section. The first and second blades are embedded within the media pack through the second flow face. A seal member is oriented against the seal support section. The filter cartridge can be removably oriented in a cassette. The cassette and filter cartridge are removably oriented in an air cleaner housing. The cassette may include lugs to help position the cartridge in sealing engagement with the air cleaner housing. In another embodiment, the filter cartridge is cassette-free and includes a cartridge-handle projecting therefrom.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 30, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: Johan G. Dewit, Johnny Craessaerts, Andreas Hoeniges
  • Patent number: 8915986
    Abstract: An apparatus and method for filtering air in residential and commercial applications is described herein. The air filter may have a support frame which secures to the intake grille of an HVAC system. A filter media may be placed in the support frame to filter air as it passes through the air filter. The filter media may be replaced when the filter media becomes too dirty to effectively filter air. The dirty filter media may be removed from the frame and a new clean media may be replaced in the frame.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: December 23, 2014
    Assignee: Universal Technologies, Inc.
    Inventor: Richard R. O'Leary
  • Patent number: 8915985
    Abstract: A filter cartridge includes a media pack having first and second opposite flow faces; the media pack comprising flutes extending in a direction between the inlet flow face and the outlet flow face; a frame mounted on the second flow face of the media pack; a seal support section extending from the base member; and first and second opposite and spaced blades extending from the base member and in a different direction from the base member as the seal support section. The first and second blades are embedded within the media pack through the second flow face. A seal member is oriented against the seal support section. The filter cartridge can be removably oriented in a cassette. The cassette and filter cartridge are removably oriented in an air cleaner housing. The cassette may include lugs to help position the cartridge in sealing engagement with the air cleaner housing. In another embodiment, the filter cartridge is cassette-free and includes a cartridge-handle projecting therefrom.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: December 23, 2014
    Assignees: Donaldson Company, Inc., Deere & Company
    Inventors: Johan G. Dewit, Johnny Craessaerts, Andreas Hoeniges, Bernd Helferich
  • Patent number: 8906128
    Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and forming inlet and outlet flutes secured to one another. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 9, 2014
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory Reichter, Wayne Bishop, Benny Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Thomas Miller, Donald Mork, Kevin Schrage, Richard Osendorf, Bradley Kuempel, Thomas Lundgren
  • Patent number: 8900339
    Abstract: Certain embodiments of the invention may include filters, systems, and methods for reducing can velocity. According to an example embodiment, a filter is provided for filtering particles from air or fluid. The filter includes a first end and a second end, wherein the first end includes an aperture; one or more sections of pleated filter media including a plurality of pleats formed in a substantially conical shape about an axis and around an inner void region in communication with the aperture, wherein a diameter associated with the first end aperture is greater than a diameter associated with the second end; and one or more radial support regions in circumferential contact with at least one of an outer surface of the filter media, wherein spacing of at least some of the plurality of pleats are maintained at least in part by the one or more radial support regions.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: December 2, 2014
    Assignee: BHA Altair, LLC
    Inventors: Andrew Alan Ray, Martin Gregory Hatfield
  • Patent number: 8900357
    Abstract: A filter element of a fresh air system of an internal combustion engine may include an annular filter body having a folded filter material and at least one end disc fastened to an axial end face of the filter body on the filter material. The filter material may have two end folds adjacent in the circumferential direction and be fastened to each other. The at least one end disc may have at least one alignment contour protruding at least one of radially and axially from a respective one of the at least one end disc.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: December 2, 2014
    Assignee: Mahle International GmbH
    Inventors: Paul Jolliffe, Hendrik Von Merkatz
  • Patent number: 8888885
    Abstract: A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: November 18, 2014
    Assignee: Cummins Filtration IP Inc.
    Inventors: Anthony Barreteau, Arun Janakiraman, Kurt M. A. Badeau
  • Patent number: 8888882
    Abstract: A filter device (10) for an internal combustion engine includes a separator that is embodied as a cyclone preseparator (26), a main filter element (36) exchangeably arranged in a housing compartment (68) of the filter housing (12), and a secondary filter element (38. The housing compartment (68) includes insertion stays (64). The main filter element (36) is embodied in as a double bellows filter including a first radially inwardly positioned filter bellows (40) and a second radially outwardly positioned filter bellows (42) surrounding it. Upon closing of a servicing housing cover (18) a sealing force is generated that acts onto the main filter element (36) and is maintained in the closed state of the servicing cover (18).
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: November 18, 2014
    Assignee: Mann+Hummel GmbH
    Inventors: Steffen Ackermann, Ralf Bauder, Duc Cuong Nguyen
  • Patent number: 8882875
    Abstract: Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: November 11, 2014
    Assignee: Hollingsworth & Vose Company
    Inventor: David T. Healey