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.

Date of Patent:
May. 24, 2016

Filed:

Mar. 15, 2013
Applicant:

Cummins Ip, Inc., Columbus, IN (US);

Inventors:

Leon A. LaPointe, Columbus, IN (US);

Scott Miles, Indianapolis, IN (US);

Jay Shah, Columbus, IN (US);

Assignee:

CUMMINS IP, INC., Minneapolis, MN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/02 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 3/30 (2006.01); F01N 3/32 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/30 (2013.01); F01N 3/103 (2013.01); F01N 3/32 (2013.01); F01N 9/00 (2013.01); F01N 2560/025 (2013.01); F01N 2900/0601 (2013.01); F01N 2900/1402 (2013.01); F01N 2900/1624 (2013.01); Y02T 10/20 (2013.01); Y02T 10/47 (2013.01);
Abstract

Described herein is an air dithering system for an internal combustion engine generating exhaust gas that includes an exhaust line in exhaust gas receiving communication with the internal combustion engine. The system also includes an exhaust aftertreatment component positioned within the exhaust line in exhaust gas receiving communication with exhaust gas in the exhaust line. Further, the system includes an air injector in air injecting communication with exhaust gas in the exhaust line at a location downstream of the internal combustion engine and upstream of the exhaust aftertreatment component.


Find Patent Forward Citations

Loading…