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:
Oct. 17, 2023
Filed:
Mar. 02, 2020
Mitsubishi Power Ltd., Kanagawa, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A turbine blade and a gas turbine are provided with: an airfoil portion () internally including a cooling air passage (); a platform () provided in a blade base end portion () in a blade height direction (Dh) of the airfoil portion (); and a fillet portion () provided around the entire perimeter of a connecting portion of the airfoil portion () and the platform (). The fillet portion () includes a first fillet portion () which is provided on a rear side blade surface () side of the airfoil portion (), on the trailing edge () side of a position at which the distance between the rear side blade surface () of the airfoil portion () and a rear side edge portion () of the platform () is shortest, and which has a fillet width (W) that is greater than the fillet width W of other regions of the fillet portion ().