FIELD: power industry.
SUBSTANCE: turbine nozzle blade inner platform is proposed. Nozzle inner platform may include a platform cavity, an injection chamber located in the said platform cavity and holding a plate disposed on the first injection chamber side, and an elastic seal disposed on the second injection chamber side. Holding plate is configured to be held in the platform cavity. Versions of turbine nozzle blade are also provided.
EFFECT: invention allows to cool turbine nozzle blade inner platform.
23 cl, 5 dwg
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