US 12,186,698 B2
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
Steven S. Gieseke, Richfield, MN (US); Thomas D. Lage, Apple Valley, MN (US); Gaozhi Jiang, Minneapolis, MN (US); Gert Proost, Kessel-Lo (BE); Johnny Craessaerts, Huldenberg (BE); Mathijs Verstraete, Tienen (BE); and Bart Catoor, Kessel-Lo (BE)
Assigned to Donaldson Company, Inc., Bloomington, MN (US)
Filed by Donaldson Company, Inc., Bloomington, MN (US)
Filed on Nov. 13, 2023, as Appl. No. 18/388,961.
Application 18/388,961 is a continuation of application No. 17/863,883, filed on Jul. 13, 2022, granted, now 11,857,907.
Application 17/863,883 is a continuation of application No. 16/942,327, filed on Jul. 29, 2020, granted, now 11,420,147, issued on Aug. 23, 2022.
Application 16/942,327 is a continuation of application No. 16/058,472, filed on Aug. 8, 2018, granted, now 10,758,859, issued on Sep. 1, 2020.
Claims priority of provisional application 62/543,090, filed on Aug. 9, 2017.
Prior Publication US 2024/0149204 A1, May 9, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 46/00 (2022.01); B01D 46/24 (2006.01); B01D 46/42 (2006.01); B01D 46/52 (2006.01); F02M 35/02 (2006.01); F02M 35/024 (2006.01)
CPC B01D 46/527 (2013.01) [B01D 46/0005 (2013.01); B01D 46/0084 (2013.01); B01D 46/009 (2013.01); B01D 46/2411 (2013.01); B01D 46/4227 (2013.01); B01D 46/525 (2013.01); F02M 35/0201 (2013.01); F02M 35/02416 (2013.01); F02M 35/02483 (2013.01); B01D 2265/026 (2013.01); B01D 2271/027 (2013.01); B01D 2275/208 (2013.01); B01D 2279/60 (2013.01); F02M 35/02408 (2013.01); F02M 35/0245 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An air filter cartridge comprising:
(a) a filter media pack;
(b) a preform arrangement attached to the media pack, wherein the preform arrangement comprises a seal support; and
(c) a housing seal arrangement located on the seal support of the preform; wherein:
(i) 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;
(ii) the radial seal surface having a modified oval perimeter shape including first and second opposite arcuate seal surface sections separated by first and second opposite side seal surface sections;
(iii) the radial seal surface comprising, in a perimeter direction, a non-wavy seal surface section, and a wavy seal surface section; and,
(iv) the wavy seal surface section being located in at least one of the first and second opposite arcuate seal surface sections of the radial seal surface, and the non-wavy seal surface section being located in both of the first and second opposite side seal surface sections of the radial seal surface.