FIELD: engines and pumps.
SUBSTANCE: turbine blade contains tail designed to fix the blade in a turbine disk slot. The blade also is equipped with an inside contour of air cooling; the said contour includes component for air inlet located from that blade tail side that faces the slot and an air outlet component. The said side of the blade tail is equipped with a deflector to eliminate vortex flows containing at least one or two ribs arranged on one or both sides of the line along which holes for cooling air supply are drilled.
EFFECT: increased cooling efficiency.
14 cl, 12 dwg
