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:
May. 19, 2015
Filed:
Jan. 18, 2013
Applicant:
Cummins Inc., Columbus, IN (US);
Inventors:
Marten H. Dane, Columbus, IN (US);
Samuel C. Geckler, Columbus, IN (US);
Sudhanshu Talwar, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02M 25/07 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0065 (2013.01); F02M 25/0707 (2013.01); F02M 25/0709 (2013.01); F02M 25/0749 (2013.01); F02D 41/008 (2013.01); F02D 41/005 (2013.01);
Abstract
Systems and methods for exhaust gas recirculation are provided. The system includes a dedicated exhaust gas recirculation loop for recirculating exhaust gas flow from at least one dedicated cylinder of an engine into an intake system prior to combustion. The system further includes a low pressure exhaust gas recirculation loop for increasing the exhaust gas recirculation amount above that provided by the dedicated exhaust gas recirculation loop.