Hollow vane for gas turbine rotor - has one-piece body with apertures closed by plug sections

摘要

The hollow vane has a monobloc body with a block (3) having multiple cut-outs (9) extending transversely of the vane thickness.The continuity of the inner and outer faces (4,5) of the vane is formed by plugs (12) fixed to the monobloc body inside the groove. The cut outs are formed by openings on one face of the vane. ADVANTAGE - Ease of forging and machining of blocks.