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Apparatus and method for cooling a combustor cap

United States Patent

April 29, 2014
View the Complete Patent at the US Patent & Trademark Office
A combustor includes an end cap having a perforated downstream plate and a combustion chamber downstream of the downstream plate. A plenum is in fluid communication with the downstream plate and supplies a cooling medium to the combustion chamber through the perforations in the downstream plate. A method for cooling a combustor includes flowing a cooling medium into a combustor end cap and impinging the cooling medium on a downstream plate in the combustor end cap. The method further includes flowing the cooling medium into a combustion chamber through perforations in the downstream plate.
Zuo; Baifang (Simpsonville, SC), Washam; Roy Marshall (Clinton, SC), Wu; Chunyang (Greer, SC)
General Electric Company (Schenectady, NY)
12/ 879,238
September 10, 2010
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.