Adhesive bonded fan blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

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Details

F04D 2938

Patent

active

057253552

ABSTRACT:
A fan blade includes a spar having first and second opposite sides. The spar sides include a fatigue-life enhanced surface layer, with the spar first side having a cavity bounded in part by the surface layer. A skin closes the cavity and is bonded to the spar for maintaining the enhanced surface layer inside the cavity.

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