Turbine blade ring segment, and turbine and gas turbine including the same
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United States of America Patent
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Dec 15, 2020
Grant Date -
Apr 18, 2019
app pub date -
Sep 12, 2018
filing date -
Oct 17, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A turbine blade ring segment includes an inner panel mounted to an inner surface of a turbine casing, the inner panel including a plurality of flow holes for supplying cooling air from an outside of the turbine casing; and an outer panel disposed on one surface of the inner panel, the outer panel including a plurality of air passages communicating with the flow holes formed in the inner panel. The passages include a first flow passage formed in a central portion of the outer panel to guide the supplied cooling air in a flow direction of the combustion gas, a second flow passage formed in the outer panel separately from the first flow passage to guide the supplied cooling air in the flow direction of the combustion gas, and a third flow passage communicating with the second flow passage to feed the supplied cooling air to the second flow passage.
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