Patents by Inventor Christopher E. Holm
Christopher E. Holm 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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Patent number: 11969683Abstract: A separation assembly comprises a housing and a plate. The housing comprises an inlet and an outlet. The plate is positioned within the housing between the inlet and the outlet. The plate comprises a wall, at least one aperture, and at least one chimney comprising an inner surface surrounding the at least one aperture and an outer surface. The chimney extends from an upstream side of the wall and encompasses only a portion of a flow path between the inlet and the upstream side of the wall such that fluid can flow radially beyond the outer surface of the at least one chimney in the housing between the inlet and the wall.Type: GrantFiled: June 3, 2021Date of Patent: April 30, 2024Assignee: CUMMINS FILTRATION IP, INC.Inventors: Ruchi Lutade, Avinash Ayarekar, Christopher E. Holm, Benjamin L. Scheckel, Sachin Ravasaheb Managave, Vijay Dinkar Kolhe
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Patent number: 11964224Abstract: A rotating coalescer having an ejected coalesced liquid separating device is described. The separating device prevents re-entrainment of liquid into a stream of filtered gas. The rotating coalescer includes a rotating filter element or coalescing cone stack positioned within a rotating coalescer housing. The outer surface of the rotating filter element or the outlet of the coalescing cone stack is displaced from the inner surface of the rotating coalescer housing. The gap between the rotating filter element or the coalescing cone stack and the rotating coalescer housing allows for ejected coalesced liquid, such as oil, to accumulate on the inner surface of the rotating coalescer housing for drainage and allows for filtered gas, such as air, to exit through a clean gas outlet of the rotating coalescer housing.Type: GrantFiled: October 13, 2022Date of Patent: April 23, 2024Assignee: Cummins Filtration IP, Inc.Inventors: Brian W. Schwandt, Christopher E. Holm, Chirag D. Parikh, Suryanarayanan Paneerselvam, Peter K. Herman
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Patent number: 11951431Abstract: Rotating coalescer elements that maximize the radial-projected separation surface area in a given (rotating) cylindrical volume, where flow to be cleaned is passing axially upward or downward through a separating media of the rotating coalescer element. Various example package assemblies are provided with various types of rotating configurations including cylindrical coiled media packs, frustum coiled media packs, concentric cylinders, coiled metal or polymer films with and without perforations, and/or alternating layers of different materials. The described rotating coalescers may be driven by hydraulic turbine, electric motor, belt, gear or by mounting on rotating machine components, such as rotating engine shafts or connected components.Type: GrantFiled: August 15, 2022Date of Patent: April 9, 2024Assignee: CUMMINS FILTRATION IP, INC.Inventors: Christopher E. Holm, Peter K. Herman, Arun P. Janakiraman, Gerard Malgorn, Chirag D. Parikh, Anthony Barreteau, Ronan Corvec, Ken Tofsland
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Publication number: 20240082760Abstract: A inflation sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface.Type: ApplicationFiled: November 13, 2023Publication date: March 14, 2024Applicant: CUMMINS FILTRATION IP, INC.Inventors: Caryn J. KINDKEPPEL, Brian W. Schwandt, Thomas J. Braun, Christopher E. Holm, Pathikrit T. Banerjee, Buwa A. Baldeh
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Patent number: 11918948Abstract: Rotating coalescer crankcase ventilation (CV) systems are described. The described CV systems utilize a pumping pressure created by the porous media of the rotating coalescer to maintain positive recirculation of filtered blowby gases through a potential leak gap between a static housing inlet and a spinning component of the rotating coalescer. In some arrangements, the porous media is fibrous media. The filter media may be pleated or non-pleated. The positive recirculation caused by the pressure balance prevents unfiltered blowby gases from bypassing the media of the rotating coalescer from the upstream side to the downstream side of the filter media through the gap. During operation, the pressure balance between the upstream side and downstream side of the filter media maintains the positive recirculation, which in turn maintains a high filtration efficiency.Type: GrantFiled: June 8, 2016Date of Patent: March 5, 2024Assignee: CUMMINS FILTRATION IP, INC.Inventors: Chirag D. Parikh, Christopher E. Holm, Peter K. Herman, Arun P. Janakiraman, Brian W. Schwandt
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Patent number: 11865488Abstract: Filter media having a design embossed into the media are described. In some arrangements, the filter media is pleated filter media. In other arrangements, the filter media includes a plurality of channels, such as tetrahedron channels. The filter media includes a pattern of interrupted straight or angled embossments that help maintain separation between adjacent layers of the filter media. The embossments allow for two adjacent media layers (e.g., mating surfaces of the filter media) to remain separated, thereby increasing dust holding capacity and lowering pressure drop ever similarly configured filter media not having the embossments.Type: GrantFiled: July 11, 2022Date of Patent: January 9, 2024Assignee: Cummins Filtration IP, Inc.Inventors: Emmanuel Page, Anthony Barreteau, Kurt M. A. Badeau, Christopher E. Holm
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Patent number: 11857901Abstract: A filter assembly comprises a housing, a filter element for filtering a fluid and positionable within the housing, and an expansion membrane assembly. The expansion membrane assembly fluidly separates and is positionable between the housing and the filter element. The membrane assembly extends along an inner surface, a top surface, and an outer surface of the housing.Type: GrantFiled: December 28, 2021Date of Patent: January 2, 2024Assignee: CUMMINS FILTRATION IP, INC.Inventors: Bharath Siddaramanna Onkarappa, Mrinmayee Balasaheb Pokharkar, Nilesh Bhaskar Nagare, Nilay Shah, Christopher E. Holm, Frank Wolfgang Becker, Santoshini Choudhary
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Patent number: 11833459Abstract: A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface.Type: GrantFiled: October 8, 2018Date of Patent: December 5, 2023Assignee: CUMMINS FILTRATION IP, INC.Inventors: Caryn J. Kindkeppel, Brian W. Schwandt, Thomas J. Braun, Christopher E. Holm, Pathikrit T. Banerjee, Buwa A. Baldeh
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Patent number: 11701606Abstract: Filter media and media packs that provide robust performance in high-speed rotating coalescer (HSRC) elements for crankcase ventilation systems are described. The fiber media is HSRC fiber media. As such, the filter media has a higher resistance to compressibility then traditional coalescer filter media, such as fiber media used in low-speed rotating coalescer arrangements or stationary coalescer arrangements.Type: GrantFiled: February 25, 2021Date of Patent: July 18, 2023Assignee: CUMMINS FILTRATION IP, INC.Inventors: Brian W. Schwandt, Saru Dawar, Christopher E. Holm, Jerald J. Moy, Barry M. Verdegan
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Patent number: 11654385Abstract: Referring to the figures generally, a rotating filter cartridge includes a first endcap, a second endcap, and a filter media. The filter media is positioned between the first endcap and the second endcap. The filter media creates a mechanical seal between at least one of the first endcap or the second endcap during rotation of the rotating filter cartridge without the use of a potting material. In at least one embodiment, the rotating filter cartridge further includes a body secured to the first endcap and the second endcap. At least one of the first endcap or the second endcap, and the body, may form a pocket that radially pinches the filter media to form the mechanical seal.Type: GrantFiled: September 20, 2016Date of Patent: May 23, 2023Assignee: CUMMINS FILTRATION IP, INCInventors: Himani Deshpande, Christopher E. Holm, Anthony Barreteau, Chirag D Parikh, GĂ©rard Malgorn, Alain Olier, Bradley A Smith, Benjamin L Scheckel, Lee A. Peck, Brian W. Schwandt, Ken Tofsland
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Publication number: 20230036998Abstract: A rotating coalescer having an ejected coalesced liquid separating device is described. The separating device prevents re-entrainment of liquid into a stream of filtered gas. The rotating coalescer includes a rotating filter element or coalescing cone stack positioned within a rotating coalescer housing. The outer surface of the rotating filter element or the outlet of the coalescing cone stack is displaced from the inner surface of the rotating coalescer housing. The gap between the rotating filter element or the coalescing cone stack and the rotating coalescer housing allows for ejected coalesced liquid, such as oil, to accumulate on the inner surface of the rotating coalescer housing for drainage and allows for filtered gas, such as air, to exit through a clean gas outlet of the rotating coalescer housing.Type: ApplicationFiled: October 13, 2022Publication date: February 2, 2023Applicant: Cummins Filtration IP, Inc.Inventors: Brian W. Schwandt, Christopher E. Holm, Chirag D. Parikh, Suryanarayanan Paneerselvam, Peter K. Herman
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Publication number: 20230018748Abstract: Embodiments described herein relate generally to filter assemblies that include filter elements with cross-channel flow having flat and/or folded arrangements for optimized functionality and performance. The filter assemblies may be formed (e.g., shaped, constructed, etc.) using a variety of shapes, angles, configurations, and materials to improve the filtration and cross-channel flow of fluid through the filter media. The filter media may implement a wide variety of patterns (e.g., repeating, origami, rounded, etc.), shapes (e.g., tetrahedral, rhombus, square), and construction (e.g., pleated, integrated, interdigitated, etc.).Type: ApplicationFiled: December 9, 2019Publication date: January 19, 2023Applicant: Cummins Filtration Inc.Inventors: Mark P. Adams, Daniel Potratz, Ming Ouyang, Robert A. Bannister, Scott W. Schwartz, Jeremiah Cupery, Christopher E. Holm, Miao Li, Billy Bates, Dane Philip Miller, Jerald J. MOY, Ken Tofsland, Mark A. Terres, Gregory K. Loken, Matthew Louison, Barry Mark Verdegan
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Publication number: 20220387920Abstract: Rotating coalescer elements that maximize the radial-projected separation surface area in a given (rotating) cylindrical volume, where flow to be cleaned is passing axially upward or downward through a separating media of the rotating coalescer element. Various example package assemblies are provided with various types of rotating configurations including cylindrical coiled media packs, frustum coiled media packs, concentric cylinders, coiled metal or polymer films with and without perforations, and/or alternating layers of different materials. The described rotating coalescers may be driven by hydraulic turbine, electric motor, belt, gear or by mounting on rotating machine components, such as rotating engine shafts or connected components.Type: ApplicationFiled: August 15, 2022Publication date: December 8, 2022Applicant: CUMMINS FILTRATION IP, INC.Inventors: Christopher E. Holm, Peter K. Herman, Arun P. Janakiraman, Gerard Malgorn, Chirag D. Parikh, Anthony Barreteau, Ronan Corvec, Ken Tofsland
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Patent number: 11504665Abstract: A rotating coalescer having an ejected coalesced liquid separating device is described. The separating device prevents re-entrainment of liquid into a stream of filtered gas. The rotating coalescer includes a rotating filter element or coalescing cone stack positioned within a rotating coalescer housing. The outer surface of the rotating filter element or the outlet of the coalescing cone stack is displaced from the inner surface of the rotating coalescer housing. The gap between the rotating filter element or the coalescing cone stack and the rotating coalescer housing allows for ejected coalesced liquid, such as oil, to accumulate on the inner surface of the rotating coalescer housing for drainage and allows for filtered gas, such as air, to exit through a clean gas outlet of the rotating coalescer housing.Type: GrantFiled: May 18, 2020Date of Patent: November 22, 2022Assignee: CUMMINS FILTRATION IP, INC.Inventors: Brian W. Schwandt, Christopher E. Holm, Chirag D. Parikh, Suryanarayanan Paneerselvam, Peter K. Herman
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Publication number: 20220355235Abstract: A filter assembly comprises a filter element and an outlet flange. The filter element comprises a filter media pack comprising a plurality of filter media layers stacked on top of each other to form the filter media pack. The filter media pack has an inlet surface being at an inlet portion of the filter media pack, and an outlet surface being at an outlet portion of the filter media pack. An outlet flange is coupled to the outlet portion of the filter media pack.Type: ApplicationFiled: August 23, 2019Publication date: November 10, 2022Applicant: CUMMINS FILTRATION IP, INC.Inventors: Kelly A. Detra, Christopher E. Holm, Mark V. Holzmann, Jerald J. Moy, Scott W. Schwartz, Ken Tofsland, Robert A. Bannister, Jeremiah Cupery, Orvin D. Kendall, Matthew Louison, Dane Philip Miller, Daniel Potratz, Yashpal Subedi, Thomas H. Steger, Jr., Gregory K. LOKEN
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Publication number: 20220339574Abstract: Filter media having a design embossed into the media are described. In some arrangements, the filter media is pleated filter media. In other arrangements, the filter media includes a plurality of channels, such as tetrahedron channels. The filter media includes a pattern of interrupted straight or angled embossments that help maintain separation between adjacent layers of the filter media. The embossments allow for two adjacent media layers (e.g., mating surfaces of the filter media) to remain separated, thereby increasing dust holding capacity and lowering pressure drop ever similarly configured filter media not having the embossments.Type: ApplicationFiled: July 11, 2022Publication date: October 27, 2022Applicant: Cummins Filtration IP, Inc.Inventors: Emmanuel Page, Anthony Barreteau, Kurt M.A. Badeau, Christopher E. Holm
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Publication number: 20220314144Abstract: A media pack includes a filtration sheet and a support sheet that is made from a different material than the filtration sheet. The filtration sheet is coupled to the support sheet. The support sheet is corrugated such that, together, the filtration sheet and the support sheet form a plurality of channels. The channels are alternately sealed on opposing ends of the media pack. In one embodiment, the permeability of the support sheet is less than a permeability of the filtration sheet.Type: ApplicationFiled: June 24, 2022Publication date: October 6, 2022Applicant: Cummins Filtration Inc.Inventors: Gregory D. Shope, Sanjay Shantanu Ghatnekar, Wassem ABDALLA, Arun P. JANAKIRAMAN, Kyle ELLISON, Barry Mark VERDEGAN, Scott W. SCHWARTZ, Jeremiah Cupery, Billy M. Bates, Christopher E. HOLM
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Patent number: 11448107Abstract: Various example embodiments relate to rotating coalescers. One embodiment includes a housing comprising a first housing section having a blowby gas inlet structured to receive crankcase blowby gases from a crankcase. The housing further comprises an oil outlet. The rotating coalescer includes an endcap and filter media. The filter media is arranged in a cylindrical shape and is coupled to and positioned between the first housing section and endcap. The filter media is structured to filter the crankcase blowby gases passing through the filter media by coalescing and separating oils and aerosols contained in the crankcase blowby gases. The rotating coalescer includes a hollow shaft extending through the housing and positioned radially inside of the filter media. The hollow shaft forms a blowby gas outlet structured to route filtered crankcase blowby gases out of the housing. The rotating coalescer further includes a drive mechanism operatively coupled to the hollow shaft.Type: GrantFiled: August 23, 2021Date of Patent: September 20, 2022Assignee: Cummins Filtration IP, Inc.Inventors: Anthony Barreteau, Christopher E. Holm, Benjamin L. Scheckel, Alain Olier
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Patent number: 11446598Abstract: Rotating coalescer elements that maximize the radial-projected separation surface area in a given (rotating) cylindrical volume, where flow to be cleaned is passing axially upward or downward through a separating media of the rotating coalescer element. Various example package assemblies are provided with various types of rotating configurations including cylindrical coiled media packs, frustum coiled media packs, concentric cylinders, coiled metal or polymer films with and without perforations, and/or alternating layers of different materials. The described rotating coalescers may be driven by hydraulic turbine, electric motor, belt, gear or by mounting on rotating machine components, such as rotating engine shafts or connected components.Type: GrantFiled: June 19, 2018Date of Patent: September 20, 2022Assignee: CUMMINS FILTRATION IP, INC.Inventors: Christopher E. Holm, Peter K. Herman, Arun P. Janakiraman, Gerard Malgorn, Chirag D. Parikh, Anthony Barreteau, Ronan Corvec, Ken Tofsland
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Patent number: 11439943Abstract: Filter media having a design embossed into the media are described. In some arrangements, the filter media is pleated filter media. In other arrangements, the filter media includes a plurality of channels, such as tetrahedron channels. The filter media includes a pattern of interrupted straight or angled embossments that help maintain separation between adjacent layers of the filter media. The embossments allow for two adjacent media layers (e.g., mating surfaces of the filter media) to remain separated, thereby increasing dust holding capacity and lowering pressure drop over similarly configured filter media not having the embossments.Type: GrantFiled: October 16, 2017Date of Patent: September 13, 2022Assignee: CUMMINS FILTRATION IP, INC.Inventors: Emmanuel Page, Anthony Barreteau, Kurt M. A. Badeau, Christopher E. Holm