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Cap assembly for a bundled tube fuel injector

United States Patent

9,322,555
April 26, 2016
View the Complete Patent at the US Patent & Trademark Office
A cap assembly for a bundled tube fuel injector includes an impingement plate and an aft plate that is disposed downstream from the impingement plate. The aft plate includes a forward side that is axially separated from an aft side. A tube passage extends through the impingement plate and the aft plate. A tube sleeve extends through the impingement plate within the tube passage towards the aft plate. The tube sleeve includes a flange at a forward end and an aft end that is axially separated from the forward end. A retention plate is positioned upstream from the impingement plate. A spring is disposed between the retention plate and the flange. The spring provides a force so as to maintain contact between at least a portion of the aft end of the tube sleeve and the forward side of the aft plate.
LeBegue; Jeffrey Scott (Simpsonville, SC), Melton; Patrick Benedict (Horse Shoe, NC), Westmoreland, III; James Harold (Greer, SC), Flanagan; James Scott (Simpsonville, SC)
GENERAL ELECTRIC COMPANY (Schenectady, NY)
13/ 932,317
20150000284
July 1, 2013
FEDERAL RESEARCH STATEMENT This invention was made with Government support under Contract No. DE-FC26-05NT42643, awarded by the Department of Energy. The Government has certain rights in the invention.