Composite air foil and disc assembly

Details Composite air foil and disc assembly Composite air foil and disc assembly

1980-02-27

1982-12-14

Smith, Leonard E.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416241A, F01D 534

Patent

active

043636020

ABSTRACT:
An integral composite airfoil and disc assembly for use in a turbomachine is provided wherein the assembly includes an airfoil portion having a plurality of axially adjacent first filaments extending in a first direction. The assembly further includes a hub portion having at least one second filament extending in a second direction and a matrix material dispersed between filaments of the first plurality and the second filament. The first and second filaments are disposed so as to extend in the direction of principal stress in the airfoil and disc portions respectively.

REFERENCES:
patent: 804410 (1905-11-01), Keller
patent: 3077297 (1963-02-01), Clarke
patent: 3501090 (1970-03-01), Stoffer et al.
patent: 3664764 (1972-05-01), Davis et al.
patent: 3679324 (1972-07-01), Stargardter
patent: 3752600 (1973-08-01), Walsh et al.
patent: 3943703 (1976-03-01), Kronogard
patent: 4040770 (1977-08-01), Carlson

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