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:
Sep. 07, 2004
Filed:
Nov. 27, 2002
Applicant:
Inventor:
Ted E. Stewart, Jacksonville, FL (US);
Assignee:
CSXT Intellectual Properties Corporation, Jacksonville, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2/507 ;
U.S. Cl.
CPC ...
F02M 2/507 ;
Abstract
Systems and methods for reducing engine emissions in a locomotive are presented. In an embodiment, the primary engine of a locomotive has an associated auxiliary power unit (APU). Exhaust from the APU is directed into an air intake system of the primary engine. The APU may be selectively operated based on a current operating condition of the locomotive.