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:
Dec. 13, 2016
Filed:
Oct. 30, 2013
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Krishna Kamasamudram, Columbus, IN (US);
Neal W. Currier, Columbus, IN (US);
Ashok Kumar, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); B01J 29/78 (2006.01); B01D 53/94 (2006.01); B01J 29/72 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
B01J 29/78 (2013.01); B01D 53/9409 (2013.01); B01D 53/9431 (2013.01); B01J 29/72 (2013.01); F01N 3/106 (2013.01); F01N 3/2066 (2013.01); F01N 13/009 (2014.06); F01N 13/0093 (2014.06); B01D 2251/206 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9032 (2013.01); B01D 2258/012 (2013.01); F01N 2510/0682 (2013.01); F01N 2570/145 (2013.01); F01N 2900/1404 (2013.01); Y02C 20/10 (2013.01); Y02T 10/24 (2013.01);
Abstract
Systems, apparatus and methods are disclosed for reducing the amount of nitrous oxide (NO) produced in a selective catalytic reductant (SCR) catalyst in an exhaust aftertreatment system. The SCR catalysts are arranged to reduce the amount of NO produced during NOreduction while not adversely affecting NOconversion.