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US 2018/0127087 A1Published application
Reinforced blade and spar
AssigneeRatier-Figeac SAS
InventorPascal AMAT
Life of this patent
Estimating the term…
Abstract
A spar for an airfoil comprises a core, e.g. a foam core, a central structural member extending through the core, an outer structural layer surrounding the core and central structural member and a plurality of yarns extending through the central structural member.
Claims19
A spar for an airfoil comprising:
- a central structural member;
- an outer structural layer surrounding the central structural member;
- and
- a plurality of yarns extending through the central structural member.
1 more element
A method of manufacturing a spar that includes a central structural member, an outer structural layer surrounding the central structural member, and a plurality of yarns extending through the central structural member, the method comprising:
- forming the central structural member;
- surrounding the central structural member with the outer structural layer;
- and
- threading the plurality of yarns through the central structural member.
1 more element
Dependencies are inferred from the claim text.