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:
Feb. 23, 2021
Filed:
Apr. 19, 2017
Mitsubishi Hitachi Power Systems, Ltd., Yokohama, JP;
Azumi Yoshida, Tokyo, JP;
Hidekazu Uehara, Tokyo, JP;
Shin Nishimoto, Yokohama, JP;
Naoya Tatsumi, Yokohama, JP;
Kohei Ozaki, Tokyo, JP;
MITSUBISHI POWER, LTD., Yokohama, JP;
Abstract
A seal segment () includes a seal body having a plurality of laminated thin plate seal pieces (), and a high-pressure side plate (). The high-pressure side plate () includes an outer diameter side edge portion () which is an outer edge portion in the radial direction (Dr) and extends in a circular are shape in the circumferential direction (Dc), an inner diameter side edge portion () which is an inner edge portion in a radial direction (Dr) and extends in a circular arc shape in the circumferential direction (Dc), and a front edge portion () which is an edge portion on a front side in the rotational direction (Bc). The high-pressure side plate () further includes a reinforcing portion () only in a region of the high-pressure side plate () on the front side in the rotational direction (Bc).