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:
Nov. 29, 2022

Filed:

Jan. 11, 2018
Applicant:

Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;

Inventors:

Takao Yokoyama, Tokyo, JP;

Toru Hoshi, Tokyo, JP;

Toyotaka Yoshida, Tokyo, JP;

Keigo Sakamoto, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/04 (2006.01); F01D 5/14 (2006.01); F02C 6/12 (2006.01); F02B 39/00 (2006.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
F02C 6/12 (2013.01); F01D 5/048 (2013.01); F01D 5/145 (2013.01); F02B 39/00 (2013.01); F04D 29/284 (2013.01); F05D 2220/40 (2013.01); F05D 2230/31 (2013.01); F05D 2240/303 (2013.01); F05D 2250/70 (2013.01);
Abstract

A turbine rotor blade according to at least one embodiment of the present invention is to be connected to a rotational shaft so as to be rotatable around an axis and includes: a hub having a hub surface inclined with respect to the axis in a cross-section along the axis; at least one rotor blade disposed on the hub surface; and a connection passage disposed inside the turbine rotor blade and connecting a first opening disposed in the at least one rotor blade and a second opening disposed downstream of the first opening in the turbine rotor blade.


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