Patent ID: 11965425
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  G | IPC B  F  G

Claim 15:
16. An airfoil defining a spanwise direction, a chordwise direction, a root end, a tip end, a leading edge end, and a trailing edge end, the airfoil comprising:
a leading edge extending from the leading edge end;
a body extending along the spanwise direction between the root end and the tip end, the body comprising a plurality of cavity walls defining a plurality of cavities, each of the plurality of cavities having an inlet located at the leading edge, wherein each cavity of the plurality of cavities is closed, and wherein the plurality of cavities are empty; and
a porous face sheet positioned on at least one inlet of the plurality of cavities.