The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 04, 2023

Filed:

Oct. 14, 2022
Applicant:

Cummins, Inc., Columbus, IN (US);

Inventors:

Travis Alva Anderson, Columbus, IN (US);

Joan M. Wills, Nashville, IN (US);

Rajkumar Subramanian, Columbus, IN (US);

Vaibhav Daramwar, Columbus, IN (US);

Pagalavan Mathari Bakthavatsalam, Columbus, IN (US);

Paul Daniel Borisuk, Nashville, IN (US);

Assignee:

Cummins Inc., Columbus, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F02D 41/02 (2006.01); F02D 9/04 (2006.01); F02B 37/18 (2006.01); F02D 41/14 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); F01N 9/00 (2013.01); F02B 37/18 (2013.01); F02D 9/04 (2013.01); F02D 41/024 (2013.01); F02D 41/1448 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1406 (2013.01); F02D 2700/04 (2013.01); Y02T 10/12 (2013.01); Y02T 10/40 (2013.01);
Abstract

A method includes: determining that at least one cylinder of a first cylinder bank of an engine is active; determining that at least one cylinder of a second cylinder bank of the engine is inactive; receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for the first cylinder bank or a second exhaust manifold pressure setpoint for the second cylinder bank based on the comparison.


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