Bladed disk assembly

Details Bladed disk assembly Bladed disk assembly

1992-05-08

1993-11-09

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Having frangible or fusible part or connection

416221, 416248, F01D 530

Patent

active

052597288

ABSTRACT:
A bladed disk assembly includes a rotor disk having an axial dovetail slot, and a rotor blade having a dovetail disposed in the slot. A blade retainer is fixedly joined to the disk for retaining the dovetail in the slot. A spacer is disposed in the slot between the blade retainer and the dovetail and is selectively compressible for allowing the dovetail to slide in the slot toward the blade retainer for generating friction forces to dissipate energy upon impact of a predeterminedly sized foreign object.

REFERENCES:
patent: 2959829 (1952-05-01), Dean
patent: 3640640 (1972-02-01), Palfreyman et al.
patent: 4000956 (1977-01-01), Carlson et al.
patent: 4033705 (1977-07-01), Luebering
patent: 4043703 (1977-08-01), Carlson
patent: 4047840 (1977-09-01), Ravenhall et al.
patent: 4071184 (1978-01-01), Carlson et al.
patent: 4265595 (1981-05-01), Bucy, Jr. et al.
General Electric Company, "CF6-80 Engine, Student Notebook," Aug. 1981, pp: i 21, and 22, in public use more than one year.

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