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:
Dec. 10, 2024

Filed:

Sep. 13, 2021
Applicant:

Donaldson Company, Inc., Minneapolis, MN (US);

Inventors:

Mark C. Shepherd, Apple Valley, MN (US);

Jeremy R. Reem, Inver Grove Heights, MN (US);

Matthew A. Musich, Minneapolis, MN (US);

Assignee:

Donaldson Company, Inc., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/21 (2006.01); B01D 17/04 (2006.01); B01D 36/00 (2006.01);
U.S. Cl.
CPC ...
B01D 29/21 (2013.01); B01D 17/045 (2013.01); B01D 36/001 (2013.01); B01D 2201/0453 (2013.01); B01D 2201/16 (2013.01); B01D 2201/304 (2013.01); B01D 2201/316 (2013.01);
Abstract

A filter cartridge includes a tubular core movably oriented within an inner liner and having a projection having a flow passageway. The core is free-floating and movable between a first position, in which the core can move along a longitudinal axis of the core, and a sealed position, in which the core is sealed to an inner liner of the cartridge. In the sealed position, the flow passage through the projection can provide an air flow passage of air within an inner cavity to outside of the filter cartridge. Other arrangements include a filter cartridge with a free-floating core, which forms a fuel bypass between the core and a standpipe.


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