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US 5,725,355 AGranted
Adhesive bonded fan blade
AssigneeGeneral Electric Company
InventorsDavid W. Crall, Christopher C. Glynn, Bruce C. Busbey, Jack W. Baldwin, Ian F. Prentice
Life of this patent
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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.
Claims13
A gas turbine engine fan blade comprising:
- a spar including first and second opposite sides having a fatigue-life enhanced surface layer, with said first side including a cavity bounded in part by said surface layer;
- a skin closing said cavity;
- and
- means for bonding said skin to said spar for maintaining said enhanced surface layer inside said cavity.
1 more element
Dependencies are inferred from the claim text.