Patents Assigned to Donaldson Company, Inc.
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Publication number: 20240139659Abstract: A filter housing having a tapered or angled threaded section/interface with a filter head. The angled threaded section allows for easy installation and thread engagement before a seal is created with the filter head.Type: ApplicationFiled: March 14, 2022Publication date: May 2, 2024Applicant: Donaldson Company, Inc.Inventor: Michael J. Gustafson
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Patent number: 11964226Abstract: Aspects herein include filter elements and filtration systems. In an embodiment, a filter element for a filtration system is included. The filter element can include a filter body and a filter media disposed within the filter body. A wireless power receiver can be associated with the filter body. The wireless power receiver can include a receiving antenna, a control circuit in electrical communication with the wireless power receiver, and a feedback channel circuit in communication with the control circuit and configured to transmit through a channel separate from the receiving antenna. Other embodiments are also included herein.Type: GrantFiled: February 7, 2019Date of Patent: April 23, 2024Assignee: Donaldson Company Inc.Inventors: Danny W. Miller, Daniel E. Adamek
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Patent number: 11951429Abstract: Air filter cartridges are disclosed. Also described are air cleaners including the filter cartridges. Methods of assembly and use are also provided. Also, systems of use are described.Type: GrantFiled: May 27, 2021Date of Patent: April 9, 2024Assignee: Donaldson Company, Inc.Inventors: Gregory Reichter, Wayne Bishop, Benny K. Nelson, Darrel Wegner, Bruce Crenshaw, Thomas Miller, Donald Mork, Kevin Schrage, Vladimir Kladnitsky, Richard Osendorf, Bradley Kuempel, Thomas Lundgren, Jordan Flagstad
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Patent number: 11951433Abstract: Air cleaner assemblies, related methods, components therefor, and features thereof are described. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. In some examples, a filter cartridge for an air cleaner includes a media pack extending along a longitudinal axis between opposite inlet and outlet flow ends and defining an outer perimeter with opposite straight sides and a first curved end. The filter cartridge can include a seal arrangement circumscribing the media pack outer perimeter, wherein a portion of the seal arrangement extends beyond a first plane defined by the media pack outlet flow end and a portion of the seal arrangement is disposed between the first plane and a second plane defined by the media pack inlet flow end, wherein the seal arrangement is aligned along a third plane disposed at an oblique angle to the first and second planes.Type: GrantFiled: April 26, 2022Date of Patent: April 9, 2024Assignee: Donaldson Company, Inc.Inventors: Steven K Campbell, Robert D. Johnston, Daniel E. Adamek
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Patent number: 11944925Abstract: Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use.Type: GrantFiled: December 22, 2021Date of Patent: April 2, 2024Assignee: Donaldson Company, Inc.Inventors: Brian Mandt, Brent Gulsvig, John Hacker
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Patent number: 11938432Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing can include a first part of a first connection arrangement. The air filter cartridge can include a second part of the first connection arrangement. In one aspect, the first and second parts can be secured together place the air filter cartridge in a latched position by moving the air filter cartridge in a first direction. In one aspect, the first and second parts can be disconnected from each other to place the air filter cartridge in an unlatched position by moving the air filter cartridge in the first direction. The air cleaner assembly can include a second connection arrangement securing the air filter cartridge to the housing cover such that the housing body and housing cover are secured together.Type: GrantFiled: April 1, 2022Date of Patent: March 26, 2024Assignee: Donaldson Company, Inc.Inventors: Steven K. Campbell, Richard Patrick Manahan
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Patent number: 11942653Abstract: A battery housing has a plurality of housing sidewalls defining an enclosure, where a first housing sidewall of the plurality of housing sidewalls defines a plurality of openings cumulatively defining a valve opening. The housing defines a valve coupling structure around the valve opening.Type: GrantFiled: March 4, 2021Date of Patent: March 26, 2024Assignee: Donaldson Company, Inc.Inventors: Aflal Rahmathullah, Daniel J. Dotzler, James P. Moorman, Jacob L. Sanders
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Patent number: 11931681Abstract: The air filter systems described herein include one or more pulse collectors and pulse generators aligned along pulse axes. The pulse generators and filter elements may be arranged along a pulse distance as measured from a pulse outlet to a filter element opening. The pulse collectors and the filter elements may have openings with a relationship between them within parameters described herein. The pulse collectors may have a relationship between their hydraulic diameter and their length within parameters described herein. The pulse collectors may include a filter section and a pulse section that meet at a junction along a length of the pulse collector. The pulse sections may have a hydraulic diameter that increases when moving from the junction to the tube sheet opening of the pulse section. The filter sections may have a hydraulic diameter that remains constant when moving from the junction to the filter end opening of the filter section.Type: GrantFiled: March 1, 2019Date of Patent: March 19, 2024Assignee: DONALDSON COMPANY, INC.Inventor: Thomas D. Raether
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Patent number: 11925890Abstract: Aspects herein include monitoring devices for filtration systems. An embodiment of the monitoring device can include a first fluid conduit and a first pressure sensor, wherein the first pressure sensor is in fluid communication with the first fluid conduit. The monitoring device can also include a second fluid conduit and a second pressure sensor, wherein the second pressure sensor is in fluid communication with the second fluid conduit. The monitoring device can also include a control circuit in electronic communication with the first pressure sensor and the second pressure sensor. The monitoring device can also include a housing, wherein the first pressure sensor, the second pressure sensor and the control circuit are all disposed within the housing. Other embodiments are also included herein.Type: GrantFiled: October 23, 2019Date of Patent: March 12, 2024Assignee: Donaldson Company, Inc.Inventors: Wade A. Wessels, Peter P. Vitko, Brent R. Nelson
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Patent number: 11925901Abstract: A system for separating a solvent includes a first mixing tank comprising a waste solvent feed and a reactant feed; a first filter comprising a nanofiltration membrane; a distillation column or an evaporator; a condenser or cooler; and a pervaporation membrane. A method for separating a solvent includes mixing a waste solvent with a reactant to cause precipitation or complexing and forming a mixture; filtering the mixture using a nanofiltration membrane and forming a permeate; distilling or evaporating the permeate to form a concentrated solvent; condensing or cooling the concentrated solvent to below a boiling point of solvents in the concentrated solvent; and filtering the concentrated solvent using pervaporation to form a purified solvent. The system and method may be used to separate and purify a solvent without creating thermal degradation products.Type: GrantFiled: August 15, 2023Date of Patent: March 12, 2024Assignees: Donaldson Company, Inc., Ecosce LLCInventors: Matthew P. Goertz, Matthew S. Whitten, Ahmed Shuja, Shawn McLean
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Patent number: 11925573Abstract: A filter assembly for an enclosure, particularly for an ostomy bag, is described having an enclosure side, a first layer which is gas permeable, and an adsorbent layer comprising adsorbent particles dispersed in a fine fiber web. The enclosure side of the filter assembly includes an adhesive zone in which adhesive is present having an outer adhesive perimeter and a weld area surrounding at least a portion of the adhesive zone, where the filter assembly is heat-sealable to the enclosure at the weld area. A method of assembly is also described.Type: GrantFiled: December 22, 2022Date of Patent: March 12, 2024Assignee: Donaldson Company, Inc.Inventors: Lloyd G. Keleny, Veli E. Kalayci, Michael J. Hebert, Yehya A. Elsayed, David W. Mulder, Andrew J. Dallas
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Patent number: 11918957Abstract: A method for preparing an adsorptive media for binding biologic molecules comprising immersing a macroporous support in a first solution of a coupling reagent in a solvent solution for attachment of said coupling reagent to form coupling groups; and, immersing said macroporous support in an incubating solution selected from the group consisting of ligand, nucleotide, oligonucleotide, peptide, polypeptide, protein, and enzyme solutions having an affinity to a biologic target molecule to couple one of said ligands, nucleotides, oligonucleotides, peptides, polypeptides, proteins, and enzymes to at least a portion of said coupling groups of said macroporous support for binding with said biologic target molecule when exposed to said macroporous support.Type: GrantFiled: December 11, 2019Date of Patent: March 5, 2024Assignee: Donaldson Company, Inc.Inventors: Jinxiang Zhou, Graham Temples, Daniel Henn
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Patent number: 11890565Abstract: Air cleaner 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 optionally use advantageous housing seal features. Methods of assembly and use are described.Type: GrantFiled: May 2, 2022Date of Patent: February 6, 2024Assignee: Donaldson Company, Inc.Inventors: Richard Osendorf, Joseph Einberger
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Patent number: 11883765Abstract: A filter element has an upstream and downstream side. A filter media assembly of the filter element has an upstream side and a downstream side and has a first filter media layer and a second filter media layer that is adjacent to the first media layer. A substantial portion of the first layer and second layer are uncoupled, and at least one of the first media layer and second media layer comprises binder fiber. The second media layer has a mean flow pore size equal to or smaller than the first media layer. A support layer system is adjacent to the downstream side of the filter media assembly, and a first wire mesh layer is adjacent to the support layer system. At least the first media layer, second media layer, support layer system, and first wire mesh cooperatively define pleats at a pleat packing density of greater than 125%.Type: GrantFiled: July 1, 2022Date of Patent: January 30, 2024Assignee: Donaldson Company, Inc.Inventors: James P. Barsness, Derek O. Jones
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Patent number: 11883763Abstract: Air filter systems, filter bag assemblies, filter bags and corresponding methods are described herein. The filter bag assemblies include a flange assembly, a cage attached to the flange assembly, and a filter bag installed over the cage with an opening at the flange assembly. When installed in the dirty air chamber of the air filter system, a seal between the flange assembly and the tubesheet defining the dirty air chamber is provided by applying a seal force on the end of the filter bag assembly located proximate the access panel on the side of the dirty air chamber opposite the tubesheet. That seal force is transmitted to the flange assembly through the cage. The tubular filter bags may be in the form of triangular bags and/or may include bag support connectors at the closed end of the bag.Type: GrantFiled: September 11, 2020Date of Patent: January 30, 2024Assignee: Donaldson Company, Inc.Inventors: Steven A. Johnson, Gabriel J. Safarian, David V. Gutman, David L. Van Eylen, Benny J. B. Mombaerts, Eric W. E. Collin, Iman Vezvaei
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Publication number: 20240018890Abstract: A dosing and mixing assembly for an exhaust aftertreatment device includes a conduit arrangement defining overlapping, coaxial flow paths that join at a common flow path. The conduit arrangement defines a mixing region upstream of the overlapping, coaxial flow paths, an impact region at the overlapping, coaxial flow paths, and a merge region where the coaxial flow paths join. The outer of the coaxial flow paths insulates the inner of the flow paths at least as the impact region. Reactant can be dispensed into the inner flow path along a spray path that intersects the impact region of the conduit arrangement.Type: ApplicationFiled: September 28, 2023Publication date: January 18, 2024Applicant: Donaldson Company, Inc.Inventors: Corine CHAUVIN, Korneel DE RUDDER, Anil C. AGAR, Bart SCHELLENS
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Patent number: 11873760Abstract: A system and method of an airflow control system for a vehicle is described herein. The airflow control system (100) includes an airflow housing (120) defining an airflow passageway (125) extending between a bypass opening (122) and an intake outlet (124). The airflow housing also defines a duct opening (126) positioned between the bypass opening (122) and the intake outlet (124). The intake outlet (124) may be in fluid communication with an engine intake (12) of the vehicle such that air passes from the bypass opening (122) and/or the duct opening (126) to the engine intake (12). The airflow control system (100) also includes a movable duct (160) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the duct opening (126) and into the engine intake (12), and further includes a bypass door (140) movably connected to the airflow housing (120) to selectively allow or prevent air passage through the bypass opening (122) and into the engine intake (12).Type: GrantFiled: July 1, 2022Date of Patent: January 16, 2024Assignee: Donaldson Company, Inc.Inventor: Michael P. O'Brien
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Patent number: 11865489Abstract: A filter element has a sheet of filter media having a first elongate edge and a second elongate edge. The sheet of filter media defines a plurality of pleats, a first set of pleat folds and a second set of pleat folds, where each of the plurality of pleats extend between the first set of pleat folds and the second set of pleat folds. The first set of pleat folds each extend from the first elongate edge to the second elongate edge, and the second set of pleat folds each extend from the first elongate edge to the second elongate edge. Each of the plurality of pleats defines a repeating wave pattern of flute peaks and flute valleys alternating from the first set of pleat folds to the second set of pleat folds. Each of the flute peaks and flute valleys extend from the first elongate edge to the second elongate edge.Type: GrantFiled: April 8, 2019Date of Patent: January 9, 2024Assignee: Donaldson Company, Inc.Inventor: Scott M. Brown
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Patent number: 11857907Abstract: 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: GrantFiled: July 13, 2022Date of Patent: January 2, 2024Assignee: Donaldson Company, Inc.Inventors: Steven S. Gieseke, Thomas D. Lage, Gaozhi Jiang, Gert Proost, Johnny Craessaerts, Mathijs Verstraete, Bart Catoor
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Patent number: 11857898Abstract: A filter cartridge has media construction, a housing, and a first end construction. The first end constructions includes an outer radial wall with circumferentially spaced connecting sections; each connecting section having a plurality of helical profiles extending at a helix angle. The filter cartridge is removably attached to a filter head, which has mating connecting segments. A bowl cartridge assembly is also provided including connecting sections with a plurality of helical profiles.Type: GrantFiled: September 7, 2022Date of Patent: January 2, 2024Assignee: Donaldson Company, Inc.Inventors: Kurt B. Joscher, Mark C. Shepherd, Patricia L. Palmby