METHOD AND DEVICE FOR TURBINE BLADE COOLING Russian patent published in 1997 - IPC

Abstract RU 2098638 C1

FIELD: high-temperature gas turbines. SUBSTANCE: cooling air is admitted to entrance and exit edges with its direct outlet from blade. Air streams on sides of entrance and exit edges cooling blade back and pan move in opposite directions and enter turbine flow path under root and above peripheral zones of blade being cooled. Exit edge of blade is provided with slit and diagonally inclined fins are made between blade bodies over pan and back portions of blade. EFFECT: improved cooling conditions. 2 cl, 3 dwg

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RU 2 098 638 C1

Authors

Burtseva G.N.

Dates

1997-12-10—Published

1993-02-03—Filed