The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 22, 2025

Filed:

Feb. 07, 2024
Applicant:

Mahle International Gmbh, Stuttgart, DE;

Inventors:

Michael Braunheim, Goeppingen, DE;

Andreas Kollmann, Eitweg, AT;

Patrick Wieler, Schorndorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/30 (2006.01); B01D 29/15 (2006.01); B01D 35/00 (2006.01); B01D 36/00 (2006.01); F02M 37/24 (2019.01); F02M 37/34 (2019.01);
U.S. Cl.
CPC ...
B01D 35/30 (2013.01); B01D 29/15 (2013.01); B01D 35/005 (2013.01); B01D 36/001 (2013.01); B01D 36/003 (2013.01); F02M 37/24 (2019.01); F02M 37/34 (2019.01); B01D 2201/291 (2013.01); B01D 2201/301 (2013.01); B01D 2201/347 (2013.01);
Abstract

A fuel filter for an internal combustion engine may include a filter housing, a ring filter element arranged in the filter housing, a function carrier engaging in an interior space of the ring filter element, a water collection space arranged below the ring filter element, a first venting part channel, and a second venting part channel. The function carrier may include a clean channel extending therein. The first venting part channel may extend from the water collection space through the function carrier and may be communicatingly connected to an air discharge channel extending in the function carrier. The second venting part channel may extend through an upper end disc of the ring filter element and may be communicatingly connected to the air discharge channel.


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