Invention Grant
- Patent Title: Filtration media, pleated media pack, filter cartridge, and methods for manufacturing
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Application No.: US17180365Application Date: 2021-02-19
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Publication No.: US11691102B2Publication Date: 2023-07-04
- Inventor: Ming Ouyang , Daniel T. Risch
- Applicant: Donaldson Company, Inc.
- Applicant Address: US MN Minneapolis
- Assignee: Donaldson Company, Inc.
- Current Assignee: Donaldson Company, Inc.
- Current Assignee Address: US MN Bloomington
- Agency: Pauly, DeVries Smith & Deffner LLC
- Main IPC: B01D46/52
- IPC: B01D46/52 ; B01D46/00

Abstract:
Filter media includes a filtration substrate having a first side and a second side, and constructed for filtering a fluid by flow of the fluid therethrough. The filtration substrate has a machine direction extending from a first end to a second end, and a cross direction extending from a first edge to a second edge. The filtration substrate includes a plurality of corrugations extending in the machine direction. The plurality of corrugations include a plurality of first crests formed along the first side and a plurality of second crests formed along the second side. The filtration substrate includes a plurality of bosses along the plurality of first crests or along the plurality of second crests and extending in a direction away from the other of the plurality of first crests or the plurality of second crests. Media packs, filter elements, and methods of making are provided.
Public/Granted literature
- US20210170320A1 FILTRATION MEDIA, PLEATED MEDIA PACK, FILTER CARTRIDGE, AND METHODS FOR MANUFACTURING Public/Granted day:2021-06-10
Information query
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