US 12,064,722 B2
Filter system
Vincent P. Caliendo, Dunlap, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Oct. 25, 2021, as Appl. No. 17/452,214.
Prior Publication US 2023/0130601 A1, Apr. 27, 2023
Int. Cl. B01D 46/64 (2022.01); B01D 46/00 (2022.01); B01D 46/24 (2006.01); F02M 35/024 (2006.01)
CPC B01D 46/64 (2022.01) [B01D 46/0002 (2013.01); B01D 46/24 (2013.01); B01D 46/2414 (2013.01); F02M 35/02483 (2013.01); B01D 2265/028 (2013.01); B01D 2279/60 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A filter system, comprising:
a housing having an inlet, an outlet, a first end, a second end, a sidewall extending between the first end and the second end, a longitudinal centerline, and at least one flange extending inside the housing; and
a plurality of filter elements located inside the housing, the plurality of filter elements each including an end shaped to couple directly to the at least one flange,
wherein the at least one flange is a single annular flange, and
wherein the single annular flange is C-shaped.