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LOW SWIRL INJECTOR AND METHOD FOR LOW-NOX COMBUSTOR

United States Patent Application

20080280238
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A fuel injector and a combustor including a fuel injector that enables a combustor to burn a lean fuel/oxider gas mixture while providing low emissions of oxides of nitrogen (NO.sub.x), and a method of combustion. The fuel injector includes three fuel/oxider flow path channels. The first channel includes a flow balancing insert and provides a relatively straight flow. The second channel includes at least one angled vane that imparts a swirl to the flow. The third channel is a central tube, the first channel annularly surrounding the third channel, the second channel annularly surrounding the first channel.
Smith, Kenneth O. (San Diego, CA), Nazeer, Waseem A. (San Diego, CA), Ritz, Frank J. (San Diego, CA)
Caterpillar Inc. (Peoria IL)
11/ 745,266
May 7, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] This invention was made in part with Government support under Grant Number DE-AC03-76SF00098 awarded by the Department of Energy to the University of California, Lawrence Berkeley National Laboratory. The Government may have certain rights in this invention.