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:
Jul. 02, 2024
Filed:
May. 02, 2023
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A turbine blade includes: a pin fin passage formed inside a trailing edge portion of an airfoil part, extending toward a trailing edge of the airfoil part, and opening to outside of the airfoil part at the trailing edge; and a plurality of pin fins connecting a pair of facing inner walls constituting the pin fin passage. The pin fin passage includes a first region and a second region on the trailing edge side of the first region. The plurality of pin fins includes a plurality of first pin fins disposed in the first region and a plurality of second pin fins disposed in the second region. A first diameter of the first pin fins is larger than a second diameter of the second pin fins. A first pin pitch of the first pin fins is larger than a second pin pitch of the second pin fins.