Gas turbine blade comprising layers of composite material

Details Gas turbine blade comprising layers of composite material Gas turbine blade comprising layers of composite material

1992-11-30

1994-05-03

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

156 93, F04D 2938

Patent

active

053082281

ABSTRACT:
A gas turbine blade includes a central core covered by a plurality of layers of composite material, and optionally also an outer sleeve of woven composite material. A network of transverse seams pass through the layers of composite material, and preferably also the core and the outer sleeve. This construction is particularly applicable to large diameter turbine blades.

REFERENCES:
patent: 2692219 (1954-10-01), Slayter et al.
patent: 2808355 (1957-10-01), Christie et al.
patent: 2929755 (1960-02-01), Porter
patent: 4059468 (1977-12-01), Bouillon
patent: 4331495 (1982-05-01), Lackman et al.
patent: 4810167 (1989-03-01), Spoltman et al.
patent: 4966527 (1990-10-01), Merz
patent: 5123814 (1992-06-01), Burdick et al.
CFRP Blades cut prop noise levels, Design News, Oct. 7, 1974 vol. 29, No. 19, p. 48.

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