Fabricated blade with spanwise cooling passages for gas turbine

Details Fabricated blade with spanwise cooling passages for gas turbine Fabricated blade with spanwise cooling passages for gas turbine

F - Mech Eng,Light,Heat,Weapons

01

D

170/81

F01D 5/12 (2006.01) B23P 15/04 (2006.01) F01D 5/18 (2006.01)

Patent

CA 1235072

ABSTRACT OF THE DISCLOSURE A gas-turbine turbine blade comprises two sepa- rate pieces assembled in clamshell fashion and bonded together, each piece including an air-foil part and a root part monolithic therewith, the air-foil being tapered and twisted with changing cambers from hub to tip so that straight line spanwise-directed bores are precluded throughout at least a portion of the air-foil, at least one of the air-foil parts having grooves provided in its facing-parting-surface to form internal cooling passages in the air-foil section upon assembly of the separate pieces into a unitary blade.

503074

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