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US 2013/0280079 A1Published application
Propeller blade with metallic foam spar core
AssigneeHamilton Sundstrand Corporation
InventorsBlair A. Smith, Michael E. Folsom, David P. Nagle
Life of this patent
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Abstract
According to one embodiment, a propeller blade includes a metallic foam core and a structural layer that surrounds at least a portion of the metallic foam core.
Claims17
A propeller blade comprising:
- a metallic foam core;
- and
- a structural layer that surrounds at least a portion of the metallic foam core.
A method of forming a propeller blade comprising:
- forming a metallic foam core;
- and
- disposing a structural layer over at least a portion of the metallic foam core.
Dependencies are inferred from the claim text.