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

Claim 0:
1. 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, wherein the leading edge defines a plurality of peaks and a plurality of valleys alternatingly arranged along the spanwise direction;
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 of the inlets of the plurality of cavities is positioned in a valley of the plurality of valleys, wherein the plurality of cavities are empty; and
a plurality of porous face sheets positioned on at least one inlet of the plurality of cavities, wherein each porous face sheet of the plurality of porous face sheets are positioned in a valley of the plurality of valleys.