Patents by Inventor David J. Burton
David J. Burton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240091690Abstract: According to the present disclosure, air cleaner assemblies, components, features, and methods relating thereto, are described. These features, in part, relate to configuration of a preferred seal arrangement and seal surface of the cartridge. Particular arrangements are shown, in which: the filter cartridge includes a seal arrangement having a axial pinch seal surface with a projection/recess contour including at least one projection thereon; and, the cartridge includes a seal contour projection stabilizing portion at a location in perimeter alignment with the portion of the seal pinch arrangement including the first housing engagement projection. Additional features are included that relate to clean air separator section tubes of a precleaner arrangement secured to a cartridge. These features can be used in cartridges including features outlined above, or in alternative cartridges. Additional features of air cleaner arrangements and filter cartridges in accord with the above are described.Type: ApplicationFiled: September 28, 2023Publication date: March 21, 2024Inventors: Hubert J. Rahn, David J. Burton, Steven K. Campbell
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Publication number: 20240066452Abstract: An air cleaner assembly including a housing, a filter cartridge removably positioned within the inner opening of the housing, wherein the filter cartridge includes a media pack and a sealing member that includes a pinch seal portion spaced from an outer surface of the media pack and positionable within a housing channel of the housing when the filter cartridge is positioned within the inner opening of the housing, and a precleaner assembly positionable between the filter cartridge and the inlet end of the housing, wherein the precleaner includes a base member having a lower edge, and an access cover removably attachable to an inlet end of the housing, wherein the precleaner assembly is sealable within the air cleaner assembly by pressing the lower edge of the base member against a top surface of the sealing member.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: David J. Burton, Hubert J. Rahn
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Publication number: 20230390682Abstract: 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: ApplicationFiled: May 26, 2023Publication date: December 7, 2023Inventors: Steven K. Campbell, David J. Burton, Benny K. Nelson, Timothy J. Wessels, Daniel E. Adamek, Robert D. Johnston
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Patent number: 11833463Abstract: An air cleaner assembly including a housing, a filter cartridge removably positioned within the inner opening of the housing, wherein the filter cartridge includes a media pack and a sealing member that includes a pinch seal portion spaced from an outer surface of the media pack and positionable within a housing channel of the housing when the filter cartridge is positioned within the inner opening of the housing, and a precleaner assembly positionable between the filter cartridge and the inlet end of the housing, wherein the precleaner includes a base member having a lower edge, and an access cover removably attachable to an inlet end of the housing, wherein the precleaner assembly is sealable within the air cleaner assembly by pressing the lower edge of the base member against a top surface of the sealing member.Type: GrantFiled: February 15, 2022Date of Patent: December 5, 2023Assignee: DONALDSON COMPANY, INC.Inventors: David J. Burton, Hubert J. Rahn
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Patent number: 11801466Abstract: According to the present disclosure, air cleaner assemblies, components, features, and methods relating thereto, are described. These features, in part, relate to configuration of a preferred seal arrangement and seal surface of the cartridge. Particular arrangements are shown, in which: the filter cartridge includes a seal arrangement having a axial pinch seal surface with a projection/recess contour including at least one projection thereon; and, the cartridge includes a seal contour projection stabilizing portion at a location in perimeter alignment with the portion of the seal pinch arrangement including the first housing engagement projection. Additional features are included that relate to clean air separator section tubes of a precleaner arrangement secured to a cartridge. These features can be used in cartridges including features outlined above, or in alternative cartridges. Additional features of air cleaner arrangements and filter cartridges in accord with the above are described.Type: GrantFiled: November 8, 2021Date of Patent: October 31, 2023Assignee: Donaldson Company, Inc.Inventors: Hubert J. Rahn, David J. Burton, Steven K. Campbell
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Patent number: 11684882Abstract: 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: GrantFiled: October 7, 2020Date of Patent: June 27, 2023Assignee: Donaldson Company, Inc.Inventors: Steven K. Campbell, David J. Burton, Benny K. Nelson, Timothy J. Wessels, Daniel E. Adamek, Robert D. Johnston
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Publication number: 20230062732Abstract: An air cleaner assembly for filtering intake air for a power plant can include a filter cartridge disposed within a housing of the air cleaner assembly, a precleaner assembly including at least one particle separator for separating particulates from an airflow stream and a scavenge port for discharging the separated particulates, the precleaner assembly being located upstream of the filter cartridge, a scavenge system for evacuating the separated particulates out of the scavenge port, the scavenge system including an electric motor coupled to an fan, an input sensor generating an input signal relating to a parameter associated with one or more of the precleaner assembly, the air cleaner assembly, a power plant receiving air from the air cleaner assembly, and a vehicle associated with the power plant, and a controller for operating the speed of the scavenge system based on the input signal from the input sensor.Type: ApplicationFiled: March 19, 2021Publication date: March 2, 2023Applicant: Donaldson Company, Inc.Inventors: Jason P. MCCONNELL, John R.L. NUMRICH, Nathan D. NEUDECKER, David J. BURTON, Anthonius Jan-Baptist Maria MOERS, Tim BILLIAU, Kristof DECOSTER, Surgey BONDARENKO, Gwenole STOUTHUYSEN
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Publication number: 20220168679Abstract: An air cleaner assembly including a housing, a filter cartridge removably positioned within the inner opening of the housing, wherein the filter cartridge includes a media pack and a sealing member that includes a pinch seal portion spaced from an outer surface of the media pack and positionable within a housing channel of the housing when the filter cartridge is positioned within the inner opening of the housing, and a precleaner assembly positionable between the filter cartridge and the inlet end of the housing, wherein the precleaner includes a base member having a lower edge, and an access cover removably attachable to an inlet end of the housing, wherein the precleaner assembly is sealable within the air cleaner assembly by pressing the lower edge of the base member against a top surface of the sealing member.Type: ApplicationFiled: February 15, 2022Publication date: June 2, 2022Inventors: David J. Burton, Hubert J. Rahn
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Publication number: 20220134269Abstract: According to the present disclosure, air cleaner assemblies, components, features, and methods relating thereto, are described. These features, in part, relate to configuration of a preferred seal arrangement and seal surface of the cartridge. Particular arrangements are shown, in which: the filter cartridge includes a seal arrangement having a axial pinch seal surface with a projection/recess contour including at least one projection thereon; and, the cartridge includes a seal contour projection stabilizing portion at a location in perimeter alignment with the portion of the seal pinch arrangement including the first housing engagement projection. Additional features are included that relate to clean air separator section tubes of a precleaner arrangement secured to a cartridge. These features can be used in cartridges including features outlined above, or in alternative cartridges. Additional features of air cleaner arrangements and filter cartridges in accord with the above are described.Type: ApplicationFiled: November 8, 2021Publication date: May 5, 2022Inventors: Hubert J. RAHN, David J. BURTON, Steven K. CAMPBELL
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Publication number: 20220126228Abstract: An air cleaner assembly includes a housing and a removable cover. A filter element is removably positioned in the housing. A two-part mating catch assembly includes a first part that is secured to the cover and a second part that is on one of the housing and the filter element.Type: ApplicationFiled: February 7, 2020Publication date: April 28, 2022Applicant: Donaldson Company, Inc.Inventors: Mathijs VERSTRAETE, Bart CATOOR, William VANAUDENHOVE, Mathieu JONCKHEERE, Benny K. NELSON, David J. BURTON, Steven K. CAMPBELL, Timothy J. WESSELS, Daniel E. ADAMEK
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Patent number: 11260331Abstract: A filter cartridge configured to be removably positionable within an inner opening of a housing, wherein the filter cartridge includes a media pack having an inlet end, an outlet end, and an outer surface having an outer peripheral shape, at least one of: (a) a frame member at least partially surrounding the media pack, the frame member including a frame wall having a shape that is different from the outer perimeter shape of the media pack; and (b) a shell at least partially surrounding the media pack, the shell including a shell wall having a shape that is different from the outer perimeter shape of the media pack, and a sealing member extending at least partially around the inlet end of the media pack, wherein the sealing member connects the media pack to at least one of the frame member and the shell.Type: GrantFiled: March 30, 2020Date of Patent: March 1, 2022Assignee: Donaldson Company, Inc.Inventors: David J. Burton, Hubert J. Rahn
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Publication number: 20220047984Abstract: Air cleaner assemblies, components, features and methods of assembly and use are described. Example air cleaner assemblies are depicted and described in which a main filter cartridge sealing surface is recessed from an open end of a housing body. An access cover of the housing is configured with a portion extending inwardly to engage a main filter cartridge portion and bias it against the main filter cartridge sealing surface. In selected assemblies, the portion of the access cover extending inwardly toward the main filter cartridge, is a precleaner having flow separator tubes therein.Type: ApplicationFiled: July 22, 2021Publication date: February 17, 2022Inventors: David J. Burton, Hubert Julius Rahn
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Patent number: 11198082Abstract: According to the present disclosure, air cleaner assemblies, components, features, and methods relating thereto, are described. These features, in part, relate to configuration of a preferred seal arrangement and seal surface of the cartridge. Particular arrangements are shown, in which: the filter cartridge includes a seal arrangement having a axial pinch seal surface with a projection/recess contour including at least one projection thereon; and, the cartridge includes a seal contour projection stabilizing portion at a location in perimeter alignment with the portion of the seal pinch arrangement including the first housing engagement projection. Additional features are included that relate to clean air separator section tubes of a precleaner arrangement secured to a cartridge. These features can be used in cartridges including features outlined above, or in alternative cartridges. Additional features of air cleaner arrangements and filter cartridges in accord with the above are described.Type: GrantFiled: August 30, 2018Date of Patent: December 14, 2021Assignee: Donaldson Company, Inc.Inventors: Hubert J. Rahn, David J. Burton, Steven K. Campbell
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Patent number: 11110382Abstract: Air cleaner assemblies, components, features and methods of assembly and use are described. Example air cleaner assemblies are depicted and described in which a main filter cartridge sealing surface is recessed from an open end of a housing body. An access cover of the housing is configured with a portion extending inwardly to engage a main filter cartridge portion and bias it against the main filter cartridge sealing surface. In selected assemblies, the portion of the access cover extending inwardly toward the main filter cartridge, is a precleaner having flow separator tubes therein.Type: GrantFiled: December 10, 2019Date of Patent: September 7, 2021Assignee: Donaldson Company, Inc.Inventors: David J. Burton, Hubert Julius Rahn
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Publication number: 20210086121Abstract: 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: ApplicationFiled: October 7, 2020Publication date: March 25, 2021Inventors: Steven K. Campbell, David J. Burton, Benny K. Nelson, Timothy J. Wessels, Daniel E. Adamek, Robert D. Johnston
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Publication number: 20210077932Abstract: According to the present disclosure, air cleaner assemblies, components, features, and methods relating thereto, are described. These features, in part, relate to configuration of a preferred seal arrangement and seal surface of the cartridge. Particular arrangements are shown, in which: the filter cartridge includes a seal arrangement having a axial pinch seal surface with a projection/recess contour including at least one projection thereon; and, the cartridge includes a seal contour projection stabilizing portion at a location in perimeter alignment with the portion of the seal pinch arrangement including the first housing engagement projection. Additional features are included that relate to clean air separator section tubes of a precleaner arrangement secured to a cartridge. These features can be used in cartridges including features outlined above, or in alternative cartridges. Additional features of air cleaner arrangements and filter cartridges in accord with the above are described.Type: ApplicationFiled: August 30, 2018Publication date: March 18, 2021Inventors: Hubert J. RAHN, David J. BURTON, Steven K. CAMPBELL
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Patent number: 10864469Abstract: 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: GrantFiled: June 5, 2018Date of Patent: December 15, 2020Assignee: Donaldson Company, Inc.Inventors: Steven K. Campbell, David J. Burton, Benny Nelson, Timothy J. Wessels, Daniel Eric Adamek, Robert Dean Johnston
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Publication number: 20200230541Abstract: Air cleaner assemblies, components, features and methods of assembly and use are described. Example air cleaner assemblies are depicted and described in which a main filter cartridge sealing surface is recessed from an open end of a housing body. An access cover of the housing is configured with a portion extending inwardly to engage a main filter cartridge portion and bias it against the main filter cartridge sealing surface. In selected assemblies, the portion of the access cover extending inwardly toward the main filter cartridge, is a precleaner having flow separator tubes therein.Type: ApplicationFiled: December 10, 2019Publication date: July 23, 2020Applicant: Donaldson Company Inc.Inventors: David J. Burton, Hubert Julius Rahn
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Patent number: D905842Type: GrantFiled: June 15, 2018Date of Patent: December 22, 2020Assignee: Donaldson Company, Inc.Inventors: Hubert J. Rahn, David J. Burton
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Patent number: D994864Type: GrantFiled: November 12, 2020Date of Patent: August 8, 2023Assignee: Donaldson Compay, Inc.Inventors: Hubert J. Rahn, David J. Burton