A composite airfoil with fuse architecture
AssigneeGeneral Electric Company
InventorsNicholas Joseph KRAY, Kishore BUDUMURU, Jain NITESH, Michael Harvey SCHNEIDER
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Abstract
An airfoil material loss control structure is provided. This structure includes at least one fuse zone that, during impact from a foreign object, fail before the surrounding structure. In a further aspect, a rotary machine is provided. This rotary machine includes a ducted fan gas turbine engine including a composite airfoil with at least one fuse zone.
Claims20
A rotary machine, comprising:
- a composite airfoil having a material loss control structure.
The rotary machine of 4, further comprising a speed reduction device coupled between a low pressure turbine and a rotor.
The rotary machine of 4, further comprising 8 to 24 composite airfoils.
A composite airfoil, comprising:
- a root, a tip, a leading edge, a trailing edge;
- a span distributed radially from the root to the tip, and a chord distributed from the leading edge to the trailing edge;
- and
- a composite fuse.
Dependencies are inferred from the claim text.