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.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
Oct. 24, 2023
Cummins Inc., Columbus, IN (US);
Michael J. Cunningham, Greenwood, IN (US);
Neal W. Currier, Columbus, IN (US);
Saurabh Yashwant Joshi, Columbus, IN (US);
Antonius Padua Nusawardhana, Columbus, IN (US);
Aleksey Yezerets, Columbus, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
A system includes a controller for an exhaust aftertreatment system including a SCR catalyst in exhaust gas-receiving communication with an engine and at least one reductant dosing system structured to provide reductant to the exhaust gas. The controller is structured to determine a ratio of NO to NOat or proximate an inlet of the SCR catalyst. The controller is further structured to command the at least one reductant dosing system to increase, decrease, or maintain an amount of reductant provided to the exhaust gas based on comparing the ratio of NO to NOto a previous NO to NOratio.