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:
Nov. 01, 2022
Filed:
Aug. 27, 2018
Mitsubishi Hitachi Power Systems, Ltd., Yokohama, JP;
Yasuhiro Sasao, Yokohama, JP;
Soichiro Tabata, Yokohama, JP;
Shohei Danno, Yokohama, JP;
Yoshinori Tanaka, Yokohama, JP;
Hideyuki Toda, Yokohama, JP;
Yu Shibata, Yokohama, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A steam turbine blade includes a blade body () including blade surfaces () extending in a blade height direction. The blade body () includes a first suction port () extending in the blade height direction and opening in the blade surface (), a first drain flow path () internally extending in the blade height direction, and first communication passages () internally provided away from one another in the blade height direction and independently of one another and making the first drain port () and the first drain flow path () in communication with each other.