Patent ID: 11857907
Assignee: DONALDSON COMPANY, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC B  F

Claim 0:
1. An air filter cartridge comprising:
(a) a media pack comprising filter media and having a first end and an opposite, second end;
(i) the media pack surrounding an open interior;

(b) a first end cap arranged on the media pack first end;
(i) the first end cap comprising a housing seal arrangement and defining an air flow passageway in communication with the media pack open interior;
(ii) the housing seal arrangement comprising a radially outwardly directed, seal member defining a radial seal surface oriented to releasably, sealingly engage surrounding structure, in use;
(iii) the radial seal surface defining a perimeter-direction in extension around the air flow passageway, wherein,
(A) the radial seal surface having a non-wavy arcuate seal surface section, and,
(B) the radial seal surface having a wavy arcuate seal surface section; and,

(iv) the radial seal surface having the non-wavy arcuate seal surface section comprises at least 30% of the perimeter-direction in extension around the air flow passageway; and,

(c) a closed end cap position on the media pack second end.