Invention Grant
- Patent Title: Filter element for an engine air filter assembly having a nonwoven pre-filter and related method
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Application No.: US16701349Application Date: 2019-12-03
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Publication No.: US11280299B2Publication Date: 2022-03-22
- Inventor: Marcel Holzwarth , Jerome Stiger
- Applicant: MANN+HUMMEL GmbH
- Applicant Address: DE Ludwigsburg
- Assignee: MANN+HUMMEL GmbH
- Current Assignee: MANN+HUMMEL GmbH
- Current Assignee Address: DE Ludwigsburg
- Main IPC: F02M35/024
- IPC: F02M35/024 ; B01D46/00 ; B01D46/10 ; B01D46/52

Abstract:
A filter element for an air filter assembly of an engine includes a primary filter media and a secondary filter media. The primary filter media has a plurality of pleats having first fold edges on an inlet face of the primary filter media and second fold edges on an outlet face of the primary filter media. The first and second fold edges extend from a first lateral side to a second lateral side of the primary filter media. The secondary filter media is constructed of a non-woven material and includes a first portion arranged on the inlet face of the primary filter media, a second portion secured to the first lateral side of the primary filter media, and a third portion secured to the second lateral side of the primary filter media.
Public/Granted literature
- US20200173404A1 FILTER ELEMENT FOR AN ENGINE AIR FILTER ASSEMBLY HAVING A NONWOVEN PRE-FILTER AND RELATED METHOD Public/Granted day:2020-06-04
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