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:
Dec. 10, 2024
Filed:
Feb. 08, 2022
Applicant:
Mitsubishi Heavy Industries Aero Engines, Ltd., Komaki, JP;
Inventors:
Toshio Watanabe, Tokyo, JP;
Kentaro Akimoto, Komaki, JP;
Assignee:
MITSUBISHI HEAVY INDUSTRIES AERO ENGINES, LTD., Komaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/10 (2006.01);
U.S. Cl.
CPC ...
F01D 5/10 (2013.01);
Abstract
A turbine rotor blade includes: a rotor blade body which includes a blade root fixed to a rotation shaft extending along an axis, a base portion integrally formed on the outer radial side of the blade root, a blade body integrally formed on the outer radial side of the base portion, and a fin protruding from an axial end surface of the base portion; and a damper piece which is provided across an inner peripheral region of the axial end surface on the inner radial side of the fin and an inner peripheral surface of the fin facing the inner radial side.