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:
Nov. 26, 2013
Filed:
Sep. 01, 2009
Aleksey Yezerets, Columbus, IN (US);
Neal W. Currier, Columbus, IN (US);
Zheng Liu, Knoxville, TN (US);
Joan M. Wills, Nashville, IN (US);
Abdul R. Ofoli, Columbus, IN (US);
Michael R. Haas, Columbus, IN (US);
Andrew W. Osburn, Nashville, IN (US);
Aleksey Yezerets, Columbus, IN (US);
Neal W. Currier, Columbus, IN (US);
Zheng Liu, Knoxville, TN (US);
Joan M. Wills, Nashville, IN (US);
Abdul R. Ofoli, Columbus, IN (US);
Michael R. Haas, Columbus, IN (US);
Andrew W. Osburn, Nashville, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
One embodiment is a method including operating an SCR system at a plurality of commanded ammonia to NOx input ratios, providing a plurality of data indicating NOx output from the SCR system for the plurality of commanded ammonia to NOx input ratios, and evaluating the plurality of data to diagnose the SCR system. Additional embodiment are methods, systems, and apparatuses including SCR diagnostics. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the following description and drawings.