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. 02, 2019
Filed:
Feb. 14, 2017
Applicant:
Cummins Emission Solutions Inc., Columbus, IN (US);
Inventors:
Arvind V. Harinath, Columbus, IN (US);
Matthew P. Henrichsen, Columbus, IN (US);
Assignee:
Cummins Emission Solutions Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 3/035 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
F01N 3/0814 (2013.01); F01N 3/035 (2013.01); F01N 3/085 (2013.01); F01N 3/2066 (2013.01); F01N 13/009 (2014.06); F01N 13/0093 (2014.06); F01N 2560/026 (2013.01); F01N 2560/027 (2013.01); F01N 2570/04 (2013.01); F01N 2610/02 (2013.01); Y02T 10/24 (2013.01);
Abstract
An aftertreatment system comprises a SCR system including a catalyst formulated to decompose constituents of an exhaust gas passing therethrough. A filter is positioned upstream of the SCR system. The filter comprises a sulfur suppressing compound formulated to reduce an amount of SOx gases included in the exhaust gas flowing through the aftertreatment system. In particular embodiments, the filter comprises a filter housing and a filter element positioned within the filter housing. The filter element comprises the sulfur suppressing compound.