US 12,168,194 B2
Filter cartridges; air cleaner assemblies; housings; features; components; and, methods
David J. Burton, Minneapolis, MN (US); and Hubert Julius Rahn, Minneapolis, MN (US)
Assigned to Donaldson Company, Inc., Bloomington, MN (US)
Filed by Donaldson Company, Inc., Minneapolis, MN (US)
Filed on Jul. 22, 2021, as Appl. No. 17/443,229.
Application 17/443,229 is a continuation of application No. 16/709,403, filed on Dec. 10, 2019, granted, now 11,110,382.
Application 16/709,403 is a continuation of application No. 15/539,600, granted, now 10,532,310, issued on Jan. 14, 2020, previously published as PCT/US2015/000452, filed on Dec. 23, 2015.
Claims priority of provisional application 62/097,060, filed on Dec. 27, 2014.
Prior Publication US 2022/0047984 A1, Feb. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 45/12 (2006.01); B01D 45/14 (2006.01); B01D 46/00 (2022.01); B01D 46/10 (2006.01); B01D 46/24 (2006.01); B01D 46/26 (2006.01); B01D 46/52 (2006.01); B01D 46/62 (2022.01); B01D 50/20 (2022.01); F02M 35/02 (2006.01); F02M 35/024 (2006.01)
CPC B01D 46/526 (2013.01) [B01D 45/12 (2013.01); B01D 45/14 (2013.01); B01D 46/0005 (2013.01); B01D 46/10 (2013.01); B01D 46/2411 (2013.01); B01D 46/26 (2013.01); B01D 46/525 (2013.01); B01D 46/62 (2022.01); B01D 50/20 (2022.01); F02M 35/0205 (2013.01); F02M 35/0216 (2013.01); F02M 35/02416 (2013.01); B01D 46/527 (2013.01); B01D 2265/02 (2013.01); B01D 2267/40 (2013.01); B01D 2271/02 (2013.01); B01D 2271/022 (2013.01); B01D 2279/60 (2013.01)] 32 Claims
OG exemplary drawing
 
1. An air cleaner assembly comprising:
(a) a housing including: a housing body; and, an access cover, wherein the access cover comprises a cyclonic precleaner assembly;
(i) the housing body having: an open service access end; a wall; and, a main filter cartridge sealing shelf recessed from the open service access end; wherein at least a portion of the wall is located between the main filter cartridge sealing shelf and the open service access end; and wherein the main filter cartridge sealing shelf is located internally within the air cleaner assembly;
(ii) the housing body including: an air flow outlet arrangement; and, a contaminant evacuation port arrangement for removal of particulate and/or water collected by the cyclonic precleaner assembly; and,
(iii) the access cover being removably mounted on the housing body and including an axially extending pressure flange that extends into the housing body; and,
(iv) the contaminant evacuation port arrangement includes a port extending through a wall of the housing body at a location between the open service access end and the main filter cartridge sealing shelf; and,
(b) a main filter cartridge removably positioned within the housing body; the main filter cartridge comprising;
(i) a media pack having an inlet end and an opposite outlet end;
(ii) a housing seal arrangement comprising a perimeter pinch seal removably positioned sealingly biased against the main filter cartridge sealing shelf.