System, method, and apparatus for leading edge structures...

Details System, method, and apparatus for leading edge structures... System, method, and apparatus for leading edge structures...

2011-01-18

2011-01-18

Ellis, Christopher P (Department: 3644)

Aeronautics and astronautics

Aircraft structure

Airfoil construction

C244S123100, C244S124000, C416S24100B

Reexamination Certificate

active

07871041

ABSTRACT:
Leading edge structures for high performance aircraft and the direct manufacture thereof are disclosed. Direct manufacturing technology is used to deposit leading edge structures directly from a digital model to form near-net shape products. This technique permits a wider range of materials to be utilized, such as casting alloys capable of the highest temperature usage that are not available in billet or sheet form. Refractory metals or high temperature ceramics also may be used to form the entire lead edge structure, or just a replaceable tip of the leading edge structure.

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