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:
Jan. 04, 2022
Filed:
Feb. 23, 2018
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
Takashi Hiyama, Tokyo, JP;
Kazuya Nishimura, Yokohama, JP;
Keita Takamura, Yokohama, JP;
Susumu Wakazono, Yokohama, JP;
Daigo Fujimura, Tokyo, JP;
MITSUBISHI POWER, LTD., Kanagawa, JP;
Abstract
A turbine blade includes a blade body in which a suction side () facing one side in a circumferential direction and a pressure side () facing the other side in the circumferential direction are connected at a leading edge and a trailing edge; and a shroud provided at a tip which is a radially outer end portion of the blade body. The shroud includes a shroud body having an outer circumferential surface facing radially outward, a front end surface extending to both sides in the circumferential direction with a leading edge side of the blade body as a reference point (P), a rear end surface extending to both sides in the circumferential direction with a trailing edge side of the blade body as a reference point (P), and a contact surface provided on both sides in the circumferential direction, and a reinforcing portion which protrudes from the outer circumferential surface.