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Turbine combustor configured for high-frequency dynamics mitigation and related method

United States Patent

November 4, 2014
View the Complete Patent at the US Patent & Trademark Office
A turbomachine combustor includes a combustion chamber; a plurality of micro-mixer nozzles mounted to an end cover of the combustion chamber, each including a fuel supply pipe affixed to a nozzle body located within the combustion chamber, wherein fuel from the supply pipe mixes with air in the nozzle body prior to discharge into the combustion chamber; and wherein at least some of the nozzle bodies of the plurality of micro-mixer nozzles have axial length dimensions that differ from axial length dimensions of other of the nozzle bodies.
Uhm; Jong Ho (Simpsonville, SC), Zuo; Baifang (Simpsonville, SC), York; William David (Greer, SC), Srinivasan; Shivakumar (Greer, SC)
General Electric Company (Schenectady, NY)
13/ 021,298
February 4, 2011
This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department of Energy. Accordingly, the Government has certain rights in this invention.