Rotor blade repair structure and method
AssigneeSikorsky Aircraft Corporation
InventorsMarcus D. Cappelli, Wonsub Kim, Joshua Mancher
Life of this patent
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Abstract
A method of repairing a damaged portion of a rotor blade includes filling the damaged portion with a filler material. A pre-cured patch assembly is applied over the damaged portion, the patch assembly including one or more laminate packs positionable at least one of an upper rotor blade surface and a lower rotor blade surface and one or more overwrap plies positionable over the upper rotor blade surface and the lower blade surface. A repair structure for a damaged portion of a rotor blade includes a volume of fill material disposed at the damaged portion.
Claims23
A method of repairing a damaged portion of a rotor blade comprising:
- filling the damaged portion with a filler material;
- and
- applying a patch assembly over the damaged portion, the patch assembly including:
- a precured laminate pack positionable at least one of an upper rotor blade surface and a lower rotor blade surface;
- and
- one or more precured overwrap plies positionable over the upper rotor blade surface and the lower blade surface.
A repair structure for a damaged portion of a rotor blade comprising:
- a volume of fill material disposed at the damaged portion;
- one or more precured laminate packs located over the fill material at least one of an upper rotor blade surface and a lower rotor blade surface;
- and
- one or more precured overwrap plies affixed over the precured laminate pack over the upper rotor blade surface and the lower blade surface.
Dependencies are inferred from the claim text.