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. 12, 2022
Filed:
Oct. 13, 2020
Cummins Inc., Columbus, IN (US);
Ming-Feng Hsieh, Nashville, IN (US);
Andrew G. Kitchen, Daventry, GB;
Axel Otto zur Loye, Columbus, IN (US);
Jinghua Zhong, Bloomington, IN (US);
Richard A. Booth, Columbus, IN (US);
Robert J. Thomas, Indianapolis, IN (US);
Jisang Sun, Columbus, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
Control of a spark ignited internal combustion in response to an exhaust manifold pressure measurement of an engine is disclosed. An engine out NOx amount for at least one cylinder is determined at least in part in response to the exhaust manifold pressure measurement and a brake mean effective pressure of the at least one cylinder. An operating condition of the engine is adjusted in response to the engine out NOx amount.