ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,639, issued on Dec. 9, was assigned to Doosan Enerbility Co. Ltd. (Changwon-si, South Korea).
"Airfoil and gas turbine including same" was invented by Yun Chang Jang (Changwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil and a gas turbine including the airfoil. The airfoil includes a suction side and a pressure side having a cooling hole, a main cavity which is formed in an inner space formed by the suction side and the pressure side and into which a cooling fluid is introduced, an inner cooling flow path formed inside a wall body forming the pressure side and the suction side, and a collision jet hole formed in inner sur...