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SYSTEM AND METHOD FOR REDUCING COMBUSTION DYNAMICS IN A COMBUSTOR

United States Patent Application

*** PATENT GRANTED ***
20130045450
9,506,654
A1
View the Complete Application at the US Patent & Trademark Office
A system for reducing combustion dynamics in a combustor includes an end cap that extends radially across the combustor and includes an upstream surface axially separated from a downstream surface. A combustion chamber is downstream of the end cap, and tubes extend from the upstream surface through the downstream surface. Each tube provides fluid communication through the end cap to the combustion chamber. The system further includes means for reducing combustion dynamics in the combustor. A method for reducing combustion dynamics in a combustor includes flowing a working fluid through tubes that extend axially through an end cap that extends radially across the combustor and obstructing at least a portion of the working fluid flowing through a first set of the tubes.
Uhm, Jong Ho (Simpsonville, SC), Ziminsky, Willy Steve (Simpsonville, SC), Johnson, Thomas Edward (Greer, SC), Srinivasan, Shiva (Greer, SC), York, William David (Greer, SC)
GENERAL ELECTRIC COMPANY (Schenectady NY)
13/ 213,460
August 19, 2011
FEDERAL RESEARCH STATEMENT [0001] 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.