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Fuel injection system and method of operating the same for an engine

United States Patent

February 8, 2011
View the Complete Patent at the US Patent & Trademark Office
A fuel injector is coupled to an engine. The fuel injector includes an injection opening configured to vary in cross-section between a open state and a fully closed state. The fuel injector is configured to provide a plurality of discrete commanded fuel injections into an engine cylinder by modulating the size of the injection opening without completely closing the opening to the fully closed state.
Topinka; Jennifer Ann (Niskayuna, NY), DeLancey; James Peter (Corinth, NY), Primus; Roy James (Niskayuna, NY), Pintgen; Florian Peter (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
11/ 952,720
December 7, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT This invention was made with Government support under contract number DE-FC04-2002AL68284 awarded by Department of Energy. The Government has certain rights in the invention.