Turbine blade and gas turbine
AssigneeMitsubishi Heavy Industries, Ltd.
InventorSatoshi Hada
Life of this patent
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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.
Claims9
A turbine blade comprising:
- 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 cooling flow channel of the blade body, wherein
- the cooling flow channel includes a bypass flow channel that is branched off from a high-pressure part of the cooling flow channel, is provided inside of the fillet portion so as to run along the fillet portion, and is connected to a low-pressure part of the cooling flow channel.
Dependencies are inferred from the claim text.