Turbine blade and gas turbine
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 13, 2012
app pub date -
Nov 30, 2011
filing date -
Mar 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a turbine blade including: a platform; a blade body including a cooling flow channel including a meandering serpentine cooling flow channel; a fillet portion provided in a joint surface between the blade body and the platform; and a base portion including a cooling flow channel communicated with the serpentine cooling flow channel. The cooling flow channel includes a bypass flow channel that is branched off from a high-pressure part of the cooling flow channel, passes through along the inside of the fillet portion, and is connected to a low-pressure part of the cooling flow channel.
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