The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2025
Filed:
Jun. 05, 2023
Doosan Enerbility Co., Ltd., Changwon, KR;
Gyeong Mo Nam, Yongin, KR;
DOOSAN ENERBILITY CO., LTD., Changwon, KR;
Abstract
Disclosed herein is a turbine blade having a leading edge, a trailing edge, a pressure side, and a suction side and having a cooling passage formed therein. The turbine blade includes a plurality of cooling holes formed on the pressure side or the suction side. Each of the cooling holes includes, a through-hole having a circular cross-section and angled outwardly toward the pressure side or the suction side from the cooling passage, a circular sink formed concavely with respect to the pressure side or the suction side in the vicinity of an upstream side of an exit of the through-hole, and an elliptical sink formed concavely with respect to the pressure side or the suction side in the vicinity of a downstream side of the exit of the through-hole.