COUPON FOR HOT GAS PATH COMPONENT HAVING MANUFACTURING ASSIST FEATURES
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United States of America Patent
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app pub date -
Jul 8, 2016
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Jul 8, 2016
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Abstract
A coupon for replacing a cutout in a hot gas path component of a turbomachine is provided. The coupon includes a body having an outer surface; a chamber within the body for receiving a flow of a coolant; and a passage extending from the chamber to the outer surface of the body. The passage includes an internal portion within a wall of the body having a first perpendicular, cross-sectional area and an exit portion at the outer surface of the body having a second perpendicular, cross-sectional area that is greater than the first perpendicular, cross-sectional area.
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