Patent ID: 11965428
Assignee: DOOSAN ENERBILITY CO., LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC F  B | IPC F

Claim 0:
1. An airfoil cooling structure comprising:
a cooling path formed by a first surface and a second surface opposite to the first surface; and
an additive manufactured (AM) feature disposed in the cooling path, manufactured by additive manufacturing, and comprising a plurality of column parts intersecting with each other and configured to contact the first surface and the second surface,
wherein each of the plurality of column parts is formed in a cylinder shape and includes a first end face and a second end face disposed opposite to each other and a circumferential surface disposed between the first end face and the second end face, and each of the first end face and the second end face is substantially perpendicular to the circumferential surface.