Patents Assigned to Donaldson Company, Inc.
  • Publication number: 20210046415
    Abstract: A gas turbine air intake system uses a filter element having a seal member with radial projections and radial recesses. The seal member forms a seal with components on the tube sheet of the system and at the end opposite of the tube sheet. At the end opposite of the tube sheet, there can be an assembly cover, or alternatively, an additional filter cartridge.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 18, 2021
    Applicant: Donaldson Company, Inc.
    Inventors: Jason A. TIFFANY, Brent L. ANDERSON, Richard P. DEJONG, Andrew C. DAHLGREN, Wim VAN GELDER, Olivier RONNEAU, Mathijs VERSTRAETE, Gert PROOST, Massimo MOVIA, Eli Payton ROSS, Michael R. CARLSON
  • Patent number: 10905990
    Abstract: A nonwoven filtration medium that includes a fibrous base media including synthetic and/or natural fibers and microfibrillated cellulose fibers.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: February 2, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Janelle M. Hampton, Derek Owen Jones, Suresh Laxman Shenoy
  • Publication number: 20200406169
    Abstract: A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.
    Type: Application
    Filed: March 8, 2019
    Publication date: December 31, 2020
    Applicant: Donaldson Company, Inc.
    Inventors: Scott A. BETCHER, Kenneth P. SKAJA, Paul R. HENNEN, Gwenolé STOUTHUYSEN, Brian TUCKER, David B. HARDER
  • Patent number: 10864475
    Abstract: An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 15, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Gregory L. Reichter, Wayne R. W. Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Vladimir Kladnitsky, Donald Raymond Mork, Kevin Schrage, Richard J. Osendorf, Bradley A. Kuempel, Thomas J. Lundgren, Jordan S. Flagstad
  • Patent number: 10864469
    Abstract: An air cleaner assembly is disclosed. In one aspect, the air cleaner assembly includes a housing defining an inlet and an outlet, and including an access opening between the inlet and outlet. The air cleaner also includes a filter cartridge received within the housing and covering the access opening. The air cleaner also includes a lock mechanism. The lock mechanism is movable between an unlocked position in which the filter cartridge can be installed and removed from the housing and a locked position in which the filter cartridge is secured within the housing. The filter cartridge and lock mechanism include interacting features allowing the lock mechanism to be moved from the unlocked position to the locked position only when the filter cartridge is installed within the housing.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: December 15, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Steven K. Campbell, David J. Burton, Benny Nelson, Timothy J. Wessels, Daniel Eric Adamek, Robert Dean Johnston
  • Patent number: 10844764
    Abstract: A dosing and mixing arrangement including an exhaust conduit defining a central axis; a mixing conduit positioned within the exhaust conduit; a dispersing arrangement (e.g., a mesh) disposed at the upstream end of the mixing conduit; an injector coupled to the exhaust conduit and configured to direct reactants into the exhaust conduit towards the mesh; and an annular bypass defined between the mixing conduit and the exhaust conduit for allowing exhaust to bypass the upstream end of the mixing conduit and to enter the mixing conduit downstream of the mesh.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: November 24, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Mark Thomas Brandl, Bruce Hoppenstedt, Stephen Ronald Schiller, Matthew S. Whitten
  • Patent number: 10837331
    Abstract: Filter assemblies and components therefor, are described. In an example arrangement, the crankcase ventilation filter assembly is configured to be serviced from either the top or the bottom. A rotational indexing arrangement is to ensure appropriate orientation of an internally received filter cartridge, and other components of the arrangement are provided. Methods of assembly, servicing and use are described.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: November 17, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas Lundgren, Daniel Adamek, Wade Mosset
  • Patent number: 10835852
    Abstract: Air cleaner assemblies, components, and features are described. The features can be used to provide that the air cleaner assembly includes a housing and cover within which a filter cartridge having a media pack and a seal arrangement surrounding the media pack can be installed. The air cleaner assembly may also include a projection-receiver arrangement in which the filter cartridge has at least one first member and the housing has at least one second member that interacts with the first member. In one example, a portion of the seal arrangement is coplanar with the first member and a portion that is below the first member such that the first member is located between the seal arrangement and an inlet end of the filter cartridge.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: November 17, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Kristof Decoster, Johnny Craessaerts, Johan G. Dewit, Bart Catoor, Tim Billiau, Anthonius Jan-Baptist Maria Moers, Rui Sun, Jacob C. Savstrom
  • Patent number: 10835850
    Abstract: Filter assemblies, components therefor, and features thereof are described. Also described are methods of assembly and use. In depicted examples, the air cleaner assemblies and components use advantageous housing seal features. Also, methods of assembly and use are described.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: November 17, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Richard Osendorf, Joseph Einberger, Daniel Adamek
  • Publication number: 20200324237
    Abstract: A filter cartridge for an air cleaner assembly is disclosed. The filter cartridge can include a media pack configured for installation into an air cleaner housing, the media pack extending along a longitudinal axis between opposite inlet and outlet flow ends, the media pack defining an outer perimeter. The filter cartridge can also include a circumferential shell surrounding at least a portion of the media pack outer perimeter. A radial flange extending from the circumferential shell proximate the media pack inlet end can also be provided. The flange can define a plurality of openings that are configured to receive protrusions on a housing body of the air cleaner assembly. The interaction between the protrusions and openings operates to ensure a secure seal between the housing body and the seal member.
    Type: Application
    Filed: November 27, 2018
    Publication date: October 15, 2020
    Applicant: Donaldson Company, Inc.
    Inventors: Anthonius Jan-Baptist Maria MOERS, Johnny CRAESSAERTS, Bart CATOOR
  • Patent number: 10786772
    Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for installation of a preferred filter cartridge in a housing. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: September 29, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Michel Baseotto, Roberto Merckx, Julien Dils, Paul Coulonvaux
  • Patent number: 10786774
    Abstract: 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: Grant
    Filed: December 8, 2016
    Date of Patent: September 29, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Gary J. Rocklitz, Robert M. Rogers, Ming Ouyang, Anitha M. Mathew
  • Patent number: 10780381
    Abstract: The present technology is generally related to a filter assembly. The filter assembly has a first layer has a base layer defining a first perimeter region and a region central to the first perimeter region. A first adhesive is disposed on a first surface of the first layer substantially within the central region, and first adsorbent beads are coupled to the first adhesive. A second layer has a first sheet of filter material having a second perimeter region, wherein the first perimeter region and the second perimeter region are bonded. A third layer has a second sheet of filter material having a third perimeter region, wherein the first perimeter region and the third perimeter region are bonded. The base layer, second layer, and third layer are substantially coextensive.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: September 22, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel L. Tuma, Ryan M. Callahan
  • Patent number: 10773202
    Abstract: A filter element includes a construction of pleated filter media defining an interior volume. First and second opposite end caps are secured to opposite ends of the filter media. A support structure supports the filter media and is operably oriented in the interior volume. The support structure extends from the first opposing interior face to the second opposing interior face. The support structure is provided to extend less than a full extension between the first end cap and second end cap.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: September 15, 2020
    Assignees: Donaldson Company, Inc., IFIL.USA, LLC
    Inventors: Philip Edward Johnson, Jonathan G. Parsons, John K. Falk, III
  • Patent number: 10758847
    Abstract: A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 1, 2020
    Assignee: Donaldson Company, Inc.
    Inventor: John Hacker
  • Patent number: 10758859
    Abstract: According to the present disclosure, air cleaner assemblies, housings, serviceable filter cartridges and features, components, and methods, relating thereto are disclosed. In general, the features relate to systems that are configured to aid in inhibiting an improper cartridge from being installed in an air cleaner housing, during servicing. A variety of features are characterized, and in many examples, the cartridge includes a seal arrangement having radially directed seal surface with at least a first non-wavy or non-projection/recess section and a second wavy or projection/recess section. Examples are shown and described in detail.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: September 1, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Steven S. Gieseke, Thomas D. Lage, Gaozhi Jiang, Gert Proost, Johnny Craessaerts, Mathijs Verstraete, Bart Catoor
  • Patent number: 10751661
    Abstract: An air cleaner assembly and components therefor are described. The components include features of an air cleaner housing; advantageous main filter cartridges; and, advantageous safety filter cartridge features. Features of the main filter cartridge are provided to engage an access cover of the assembly, and a cartridge support within the housing, in a preferred manner. Methods of assembly and use are also described.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: August 25, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas L. Iddings, Daniel Adamek, Thomas G. Miller, Johan G. DeWit, Michel Baseotto, Roberto Merckx, Julien Dils, Paul R. Coulonvaux, James R. Scott
  • Patent number: 10744431
    Abstract: A filter cartridge includes a threaded sleeve having a seal holder recess and seal member. The filter cartridge is for removably threading onto a filter head that includes threads for connection to the filter cartridge by way of the threaded sleeve. The filter head includes a ramp that engages the seal member to form a seal. The force needed to make the seal is a torque of less than 10 N-m.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: August 18, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Michael J. Gustafson, Kurt Joscher, David B. Harder, Brian Tucker
  • Patent number: D896942
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: September 22, 2020
    Assignee: Donaldson Company, Inc.
    Inventor: Thomas D. Raether
  • Patent number: D905842
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: December 22, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: Hubert J. Rahn, David J. Burton