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Turbomachine injection nozzle including a coolant delivery system

United States Patent

February 14, 2012
View the Complete Patent at the US Patent & Trademark Office
An injection nozzle for a turbomachine includes a main body having a first end portion that extends to a second end portion defining an exterior wall having an outer surface. A plurality of fluid delivery tubes extend through the main body. Each of the plurality of fluid delivery tubes includes a first fluid inlet for receiving a first fluid, a second fluid inlet for receiving a second fluid and an outlet. The injection nozzle further includes a coolant delivery system arranged within the main body. The coolant delivery system guides a coolant along at least one of a portion of the exterior wall and around the plurality of fluid delivery tubes.
Zuo; Baifang (Simpsonville, SC)
General Electric Company (Schenectady, NY)
12/ 186,271
August 5, 2008
This invention was made with Government support under Contract No. DE-FC26-05NT4263, awarded by the US Department of Energy (DOE). The Government has certain rights in this invention.