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:
Mar. 08, 2016

Filed:

Jun. 30, 2015
Applicant:

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

Inventors:

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

Edward J. Lyford-Pike, Columbus, IN (US);

Daniel J. Mohr, Scipio, IN (US);

Ashish Gupta, Columbus, IN (US);

Aleksey Yezerets, Columbus, IN (US);

Neal W. Currier, Columbus, IN (US);

Tamas Szailer, Clarkston, MI (US);

Thomas M. Yonushonis, Columbus, IN (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 5/04 (2006.01); F02M 25/07 (2006.01); F02M 27/02 (2006.01); F01N 3/10 (2006.01); F02B 37/00 (2006.01); F02B 43/10 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0706 (2013.01); F01N 3/101 (2013.01); F01N 3/108 (2013.01); F02B 37/00 (2013.01); F02B 43/10 (2013.01); F02M 25/0718 (2013.01); F02M 25/0722 (2013.01); F02M 25/0726 (2013.01); F02M 27/02 (2013.01); F02B 2043/103 (2013.01); Y02T 10/121 (2013.01); Y02T 10/22 (2013.01);
Abstract

An internal combustion engine system includes a spark-ignited internal combustion engine powered by a gaseous fuel. The engine system also includes an air intake in air providing communication with the internal combustion engine. Further, the engine system includes an exhaust system in exhaust gas receiving communication with the internal combustion engine. The exhaust system includes a methane oxidation catalyst through which at least a portion of the exhaust gas flows and an exhaust gas recirculation line in exhaust gas providing communication with the air intake.


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