US 12,270,361 B2
Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques
J. Steven Kolhouse, Columbus, IN (US); Adrian P. Dale, Columbus, IN (US); and Brian S. Bower, Hope, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Filed by Cummins Inc., Columbus, IN (US)
Filed on Dec. 7, 2022, as Appl. No. 18/062,765.
Application 18/062,765 is a continuation of application No. PCT/US2021/035820, filed on Jun. 4, 2021.
Claims priority of provisional application 63/044,422, filed on Jun. 26, 2020.
Prior Publication US 2023/0095003 A1, Mar. 30, 2023
Int. Cl. F02M 26/11 (2016.01); B01J 23/38 (2006.01); B01J 37/02 (2006.01); B01J 37/34 (2006.01); F02M 26/14 (2016.01); F02M 26/29 (2016.01); F02M 26/35 (2016.01); F02M 26/68 (2016.01)
CPC F02M 26/11 (2016.02) [B01J 23/38 (2013.01); B01J 37/0215 (2013.01); B01J 37/348 (2013.01); F02M 26/14 (2016.02); F02M 26/29 (2016.02); F02M 26/35 (2016.02); F02M 26/68 (2016.02)] 10 Claims
OG exemplary drawing
 
1. An apparatus comprising:
an exhaust gas recirculation (EGR) cooler comprising a plurality of exhaust flow passages defined by a plurality of wall members extending between a gas inlet side and a gas outlet side;
wherein a catalytic coating is provided on at least a portion of the plurality of exhaust flow passages.