Fuel nozzle assembly for use with a gas turbine engine and method of assembling same
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United States of America Patent
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Jun 17, 2014
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app pub date -
Nov 5, 2008
filing date -
Nov 5, 2008
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Abstract
A fuel nozzle configured to channel fluid toward a combustion chamber within a gas turbine engine and a method for assembling the same are provided. The fuel nozzle includes a first hollow tube fabricated from a first material that has a first coefficient of thermal expansion and a second tube fabricated from a second material that has a second coefficient of thermal expansion that is different from the first coefficient of thermal expansion. The second tube is coupled within the first tube such that the first tube substantially circumscribes the second tube, and the second tube thermally expands approximately at a same rate as the first tube during fuel nozzle operation.
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