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:
Feb. 21, 2017
Filed:
Jul. 23, 2013
Applicant:
Cummins Inc., Columbus, IN (US);
Inventor:
Atsuhiko Watanabe, Columbus, IN (US);
Assignee:
Cummins Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 23/00 (2006.01); F02B 37/013 (2006.01); F02B 37/18 (2006.01); F02B 29/04 (2006.01); F02M 21/02 (2006.01);
U.S. Cl.
CPC ...
F02B 37/013 (2013.01); F02B 29/0412 (2013.01); F02B 37/18 (2013.01); F02M 21/0206 (2013.01); F02M 21/0212 (2013.01); Y02T 10/144 (2013.01); Y02T 10/146 (2013.01); Y02T 10/32 (2013.01);
Abstract
A turbocharged internal combustion engine system includes at least one high pressure turbocharger and at least one low pressure turbocharger arranged in series. A fuel source that provides fuel for gaseous fuel induction operation of the engine is connected to inject fuel between the low pressure compressor of the low pressure turbocharger and the high pressure compressor of the high pressure turbocharger.