Dovetail attachment for composite blade and method for making

Details Dovetail attachment for composite blade and method for making Dovetail attachment for composite blade and method for making

1993-11-17

1994-08-23

Look, Edward

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Laminated, embedded member or encased material

416219R, 416226, 416230, F01D 514

Patent

active

053402804

ABSTRACT:
A fan blade and/or propeller blade such as found in a gas turbine engine having a dovetail former having sections of composite unidirectional wrap material wrapped about the dovetail former from the concave to the convex side of the airfoil and filling cutout spaces between dovetail sections. Layers of non-wrapped composite material are cut and tapered and attached to the front and back sides of the dovetail sections.

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