Transition reinforcement of composite blade dovetails

Details Transition reinforcement of composite blade dovetails Transition reinforcement of composite blade dovetails

1975-12-22

1977-08-09

Lesmes, George F.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416241A, 244123, 428156, 428172, 428212, 428256, 428294, 428366, 428367, 428418, 428608, F01D 528

Patent

active

040407705

ABSTRACT:
The composite filament laminates of a composite blade are splayed at the root thereof to receive metallic inserts therebetween. A transition material having a modulus of elasticity greater than that of the inserts and less than that of the laminates is bonded therebetween to more uniformly distribute the blade loadings into the root region.

REFERENCES:
patent: 3317988 (1967-05-01), Endres
patent: 3660882 (1972-05-01), Widowitz et al.
patent: 3752600 (1973-08-01), Walsh et al.
patent: 3809601 (1974-05-01), Fletcher

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