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Systems to facilitate reducing flashback/flame holding in combustion systems

United States Patent

February 21, 2012
View the Complete Patent at the US Patent & Trademark Office
A method for assembling a premixing injector is provided. The method includes providing a centerbody including a center axis and a radially outer surface, and providing an inlet flow conditioner. The inlet flow conditioner includes a radially outer wall, a radially inner wall, and an end wall coupled substantially perpendicularly between the outer wall and the inner wall. Each of the outer wall and the end wall include a plurality of openings defined therein. The outer wall, the inner wall, and the end wall define a first passage therebetween. The method also includes coupling the inlet flow conditioner to the centerbody such that the inlet flow conditioner substantially circumscribes the centerbody, such that the inner wall is substantially parallel to the centerbody outer surface, and such that a second passage is defined between the centerbody outer surface and the inner wall.
Lacy; Benjamin Paul (Greer, SC), Kraemer; Gilbert Otto (Greer, SC), Varatharajan; Balachandar (Clifton Park, NY), Yilmaz; Ertan (Albany, NY), Zuo; Baifang (Simpsonville, SC)
General Electric Company (Schenectady, NY)
11/ 741,483
April 27, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under DE-FC26-05NT42643 awarded by the Department of Energy ("DOE"). The Government has certain rights in this invention