System and method of optimizing fuel injection timing in locomotive engine
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United States of America Patent
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Oct 5, 2004
Grant Date -
Jun 24, 2004
app pub date -
Dec 23, 2002
filing date -
Dec 23, 2002
priority date (Note) -
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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.
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