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:
Jun. 24, 2025

Filed:

Dec. 17, 2021
Applicant:

Cummins Inc., Columbus, IN (US);

Inventors:

Dheeraj Bharadwaj Gosala, Columbus, IN (US);

Avra Brahma, Fishers, IN (US);

Assignee:

Cummins Inc., Columbus, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2013 (2013.01); F01N 9/002 (2013.01); F01N 2900/08 (2013.01); F01N 2900/104 (2013.01); F01N 2900/1404 (2013.01); F01N 2900/1626 (2013.01);
Abstract

A method for increasing a temperature of an exhaust gas to a target temperature is provided. The method includes determining, by a controller, a target energy of the exhaust gas and determining, by the controller, a target emissions based the target energy. The method further includes determining, by the controller, a tradeoff in a performance of an engine corresponding to one or more of the target emissions, an engine speed, and a driver demand power and determining, by the controller, an allowable heater power based on the tradeoff. The method further includes operating, by the controller, a heater with a heater power command not exceeding the allowable heater power to heat the exhaust gas to the target temperature.


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