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.

Date of Patent:
May. 31, 2022

Filed:

Mar. 19, 2019
Applicant:

Mitsubishi Power, Ltd., Yokohama, JP;

Inventors:

Yasuo Miyahisa, Yokohama, JP;

Satoshi Hada, Yokohama, JP;

Susumu Wakazono, Yokohama, JP;

Assignee:

MITSUBISHI POWER, LTD., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F02C 7/18 (2006.01);
U.S. Cl.
CPC ...
F01D 5/186 (2013.01); F02C 7/18 (2013.01); F05D 2220/32 (2013.01); F05D 2240/30 (2013.01); F05D 2250/185 (2013.01); F05D 2260/202 (2013.01); F05D 2260/232 (2013.01);
Abstract

A turbine rotor blade includes a blade body including a pressure-side blade wall and a suction-side blade wall. The blade body includes: a serpentine passage composed of a cooling passage separated into a plurality of parts by a partition wall that connects the pressure-side blade wall and the suction-side blade wall and extends along a height direction of the blade body; and a first cooling hole communicating at one end with the cooling passage via a first inlet opening formed in an inner wall surface of the pressure-side blade wall or the suction-side blade wall, and communicating at another end with a first outlet opening formed in an outer wall surface of the pressure-side blade wall or the suction-side blade wall of the blade body. The first cooling hole extends in a leading edge direction from the first inlet opening to the first outlet opening.


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Miyahisa, Yasuo. (2022). Turbine rotor blade and gas turbine (U.S. Patent No. 11346231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11346231

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