Method of manufacturing an air cooled vane with film cooling poc

Details Method of manufacturing an air cooled vane with film cooling poc Method of manufacturing an air cooled vane with film cooling poc

1992-02-10

1995-02-28

Tudor, Harold J.

Metal working

Method of mechanical manufacture

Impeller making

2988972, 29463, 415115, 415116, 416 96A, 416 97R, B23P 1500

Patent

active

053925157

ABSTRACT:
An air cooled stator vane for a gas turbine engine is fabricated by casting the suction side wall and pressure side wall of the airfoil into separate halves and joining both halves at complementary sides and ribs, and forming pockets with a slot at the end of each pocket for flowing a film of cooling air over the exterior wall and drilling holes in the end of the pocket remote from the slot to fluidly connect the pocket with cooling air. The method includes in another embodiment a sheet metal sheath with pockets and slots identical to the pockets and slots in the shell configuration formed over the shell. Another embodiment includes perforated inserts extending in the cavity formed by the shell.

REFERENCES:
patent: 4168938 (1979-09-01), Dodd
patent: 4286924 (1981-09-01), Gale
patent: 4417381 (1983-11-01), Higginbotham
patent: 4672727 (1987-06-01), Field
patent: 4726735 (1988-02-01), Field et al.
patent: 4738588 (1988-04-01), Field
patent: 4827587 (1989-05-01), Hall et al.
patent: 4859147 (1989-08-01), Hall et al.

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