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:
Apr. 18, 2017
Filed:
Aug. 14, 2015
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Ashok Kumar, Columbus, IN (US);
Michael A. Smith, Columbus, IN (US);
Krishna Kamasamudram, Columbus, IN (US);
Neal Currier, Columbus, IN (US);
Aleksey Yezerets, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); F01N 3/20 (2006.01); F01N 3/10 (2006.01); F02D 41/00 (2006.01); F02D 43/04 (2006.01); F02B 37/22 (2006.01); F01N 13/00 (2010.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2066 (2013.01); F01N 3/106 (2013.01); F01N 3/208 (2013.01); F01N 9/00 (2013.01); F01N 9/005 (2013.01); F01N 11/002 (2013.01); F01N 13/009 (2014.06); F02B 37/22 (2013.01); F02D 41/005 (2013.01); F02D 43/04 (2013.01); F01N 2570/04 (2013.01); F01N 2900/1402 (2013.01); F01N 2900/1612 (2013.01); Y02T 10/24 (2013.01); Y02T 10/47 (2013.01);
Abstract
Systems, methods, and apparatuses are provided for determining an SCR component sulfur value, determining whether the SCR component sulfur value exceeds a sulfur regeneration threshold and increasing an engine NO amount incident to an SCR catalyst in response to the SCR component sulfur value exceeding the sulfur regeneration threshold.