Platform assembly for attaching rotor blades to a rotor disk

Details Platform assembly for attaching rotor blades to a rotor disk Platform assembly for attaching rotor blades to a rotor disk

1992-09-03

1993-06-29

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416204A, 416220R, F01D 532

Patent

active

052228657

ABSTRACT:
Nonmetallic airfoil blades are mounted to a rotor disk via a circumferentially spaced array of metal support members. Each support member includes a pair or circumferentially spaced arcuate or airfoil shaped dovetail engagement surfaces. The metal support members are secured to the rotor disk via straight dovetails while the rotor blades are secured to the support members via airfoil shaped dovetails. The support members may include hollow portions for channeling cooling air to the airfoil blades.

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