Thermally decoupled can-annular transition piece
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United States of America Patent
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Apr 15, 2014
Grant Date -
Sep 30, 2010
app pub date -
Mar 30, 2009
filing date -
Mar 30, 2009
priority date (Note) -
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Abstract
A turbomachine includes a plurality of injection nozzles arranged in a can-annular array and a transition piece including at least one wall that defines a combustion flow passage. A dilution orifice is formed in the at least one wall of the transition piece. The dilution orifice guides dilution gases to the combustion flow passage. A heat shield member is mounted to the at least one wall of the transition piece in the combustion flow passage. The heat shield member includes a body having a first surface and an opposing second surface through which extends a dilution passage. The dilution passage is off-set from the dilution orifice. The heat shield member is spaced from the at least one wall of the transition piece defining a flow region between the at least one wall and the second surface.
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