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:
Sep. 22, 2026
Filed:
Jun. 01, 2023
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Saki Matsuo, Tokyo, JP;
Yasuo Miyahisa, Tokyo, JP;
Shunsuke Torii, Tokyo, JP;
Satoshi Mizukami, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
Rear end air passages have a trailing edge opening extending to the trailing edge from a rear blade air passage on the side of the trailing edge among the plurality of blade air passages, and opens at the trailing edge. A first side region includes an end on the blade height first side on the trailing edge extending in the blade height direction not including an end on the blade height second side. A second side region is separated from the first side region on the trailing edge to the blade height second side and includes an end on the blade height second side. An opening area per unit length of the trailing edge in the blade height direction of the trailing edge opening is defined as the aperture ratio. The aperture ratio of the trailing edge opening is higher for the first side region than the second side region.