US 11,684,875 B2
Chambered parallel flow dual filter
Kevin C. South, Cookeville, TN (US)
Assigned to CUMMINS FILTRATION IP, INC., Columbus, IN (US)
Appl. No. 17/44,369
Filed by Cummins Filtration IP, Inc., Columbus, IN (US)
PCT Filed Apr. 11, 2019, PCT No. PCT/US2019/026945
§ 371(c)(1), (2) Date Oct. 1, 2020,
PCT Pub. No. WO2019/200068, PCT Pub. Date Oct. 17, 2019.
Claims priority of provisional application 62/656,524, filed on Apr. 12, 2018.
Prior Publication US 2021/0093988 A1, Apr. 1, 2021
Int. Cl. B01D 29/52 (2006.01); B01D 29/15 (2006.01); B01D 29/23 (2006.01); B01D 35/30 (2006.01); F02M 37/34 (2019.01)
CPC B01D 29/52 (2013.01) [B01D 29/15 (2013.01); B01D 29/23 (2013.01); B01D 35/30 (2013.01); B01D 2201/298 (2013.01); B01D 2201/342 (2013.01); B01D 2201/347 (2013.01); F02M 37/34 (2019.01)] 7 Claims
OG exemplary drawing
 
1. A filter assembly comprising:
a filter housing having a longitudinal axis, the filter housing divided into a first filter chamber and a second filter chamber, the filter housing defining an inlet and an outlet;
a first filter element comprising a first element top endplate, a first element bottom endplate, and a first filter media positioned between the first element top endplate and the first element bottom endplate;
a second filter element comprising a second element top endplate, a second element bottom endplate, and a second filter media positioned between the second element top endplate and the second element bottom endplate;
a first aperture formed between the first element top endplate and the second element top endplate;
a second aperture formed between the first element bottom endplate and the second element bottom endplate;
a solid tube positioned between and coupled to the first element top endplate and the second element bottom endplate and separating the first filter chamber from the second filter chamber;
a first passageway formed between the solid tube and the first filter element; and
a second passageway formed between the solid tube and the second filter element;
wherein the first element bottom endplate and the second element bottom endplate are formed as a single bottom endplate.