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:
Mar. 15, 2016
Filed:
Sep. 17, 2013
Applicant:
Cummins Emission Solutions Inc., Columbus, IN (US);
Inventors:
Jinqian Gong, Columbus, IN (US);
Josh S. Shao, Columbus, IN (US);
Quazi Syed Fawad, Columbus, IN (US);
Assignee:
CUMMINS EMISSION SOLUTIONS INC., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/10 (2006.01); F01N 3/20 (2006.01); B01D 53/94 (2006.01); B01D 53/90 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01D 53/90 (2013.01); B01D 53/9431 (2013.01); B01D 53/9495 (2013.01); F01N 9/00 (2013.01); F01N 11/002 (2013.01); F01N 2560/026 (2013.01); F01N 2560/06 (2013.01); F01N 2610/02 (2013.01); F01N 2610/146 (2013.01); F01N 2900/1602 (2013.01); F01N 2900/1621 (2013.01); F01N 2900/1812 (2013.01);
Abstract
System, apparatus, and methods are disclosed for reductant dosing in an exhaust aftertreatment system. A dynamic flow rate and injection duration of a reductant injected from a reductant dosing system to the exhaust aftertreatment system is controlled in response to a dosing command when the exhaust system is operating in a low temperature operating condition.