Turbine rotor blade with angel wing with coolant transfer passage between adjacent wheel space portions by additive manufacture
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United States of America Patent
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Feb 15, 2022
Grant Date -
Jul 22, 2021
app pub date -
Jan 22, 2020
filing date -
Jan 22, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A turbine rotor blade is additively manufactured and includes an airfoil body including a concave pressure side outer wall and a convex suction side outer wall that connect along leading and trailing edges. A shank is at a radial inner end of the airfoil body, and at least one angel wing extends laterally from at least one side of the shank. A coolant transfer passage is defined through the at least one angel wing. The coolant transfer passage fluidly couples a first wheel space portion defined between the shank and a first adjacent shank of a first adjacent turbine rotor blade and a second wheel space portion defined between the shank and a second adjacent shank of a second adjacent turbine rotor blade. The coolant transfer passage allows coolant to pass between wheel space portions of adjacent turbine rotor blades.
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