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System for reducing combustion dynamics and NO.sub.x in a combustor

United States Patent

May 31, 2016
View the Complete Patent at the US Patent & Trademark Office
A combustor includes an end cap that extends radially across at least a portion of the combustor. The end cap includes an upstream surface axially separated from a downstream surface. A plurality of tubes extend from the upstream surface through the downstream surface of the end cap to provide fluid communication through the end cap. Each tube in a first set of the plurality of tubes has an inlet proximate to the upstream surface and an outlet downstream from the downstream surface. Each outlet has a first portion that extends a different axial distance from the inlet than a second portion.
Uhm; Jong Ho (Simpsonville, SC), Ziminsky; Willy Steve (Simpsonville, SC), Johnson; Thomas Edward (Greer, SC), Hughes; Michael John (Greer, SC), York; William David (Greer, SC)
13/ 709,320
December 10, 2012
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.