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:
Aug. 28, 2018
Filed:
Jun. 11, 2014
Applicant:
Ihi Corporation, Tokyo, JP;
Inventors:
Kozo Nita, Tokyo, JP;
Yoji Okita, Tokyo, JP;
Chiyuki Nakamata, Tokyo, JP;
Kazuo Yonekura, Tokyo, JP;
Seiji Kubo, Tokyo, JP;
Osamu Watanabe, Tokyo, JP;
Assignee:
IHI CORPORATION, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 9/06 (2006.01);
U.S. Cl.
CPC ...
F01D 5/18 (2013.01); F01D 5/186 (2013.01); F01D 9/065 (2013.01); F05D 2240/81 (2013.01); F05D 2250/21 (2013.01); F05D 2250/23 (2013.01); F05D 2260/202 (2013.01); F05D 2260/2212 (2013.01); F23R 2900/03042 (2013.01); F23R 2900/03043 (2013.01); F23R 2900/03045 (2013.01);
Abstract
The cooling effectiveness of a turbine blade that a gas turbine engine or the like is provided with is further increased by providing a convex portion that is arranged in the inner portion of a cooling air hole and that is provided projecting out from the inner wall surface of the cooling air hole.