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:
Aug. 27, 2019
Filed:
Oct. 14, 2016
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Minming Zhao, Columbus, IN (US);
Josh Si Shao, Columbus, IN (US);
Sriram Madhavan, Columbus, IN (US);
Matthew John Zanker, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01); F02D 41/08 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 9/005 (2013.01); F01N 11/00 (2013.01); F01N 2550/02 (2013.01); F01N 2560/026 (2013.01); F01N 2610/02 (2013.01); F01N 2900/0422 (2013.01); F01N 2900/1602 (2013.01); F01N 2900/1622 (2013.01); F01N 2900/1814 (2013.01); F02D 41/08 (2013.01); Y02T 10/24 (2013.01); Y02T 10/47 (2013.01);
Abstract
An apparatus includes a stored reductant determination circuit structured to determine an amount of stored reductant in a component of an exhaust aftertreatment system, and a fuel mode economy circuit structured to control an amount of reductant added to the exhaust aftertreatment system during an engine idle mode of operation based on the amount of stored reductant.