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. 20, 2005
Filed:
Nov. 06, 2003
Applicants:
Ted E. Stewart, Jacksonville, FL (US);
David P. Miller, Ponte Vedra Beach, FL (US);
Inventors:
Ted E. Stewart, Jacksonville, FL (US);
David P. Miller, Ponte Vedra Beach, FL (US);
Assignee:
CSXT Intellectual Properties Corporation, Jacksonville, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M037/04 ;
U.S. Cl.
CPC ...
Abstract
Systems and methods for reducing engine emissions in a locomotive are presented. In an embodiment, a fuel injector or a fuel injection pump of a fuel injection mechanism includes a plunger with an upper helix whose angle changes between points on the plunger that correspond to an idle throttle position and a full throttle position. As such, injection timing is optimized, and engine emissions are reduced.