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. 04, 2025
Filed:
Jan. 13, 2023
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Azumi Yoshida, Tokyo, JP;
Ryuji Iwamoto, Tokyo, JP;
Hideo Yamamoto, Tokyo, JP;
Masaya Kawano, Tokyo, JP;
Shin Nishimoto, Tokyo, JP;
Tatsuro Furusho, Tokyo, JP;
Shintaro Okumura, Tokyo, JP;
Kenichi Sakashita, Tokyo, JP;
Tsutomu Ogino, Tokyo, JP;
Seemin Daryl Soh, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
This sealing device comprises: a sealing member provided between a rotating part and a stationary part of a rotating machine in a radial direction of the rotating machine; a holding member for supporting the sealing member movably along the radial direction, the holding member being at least partly accommodated in a groove provided in the stationary part so as to extend along a circumferential direction; and a plurality of first biasing members provided at a plurality of different locations, respectively, in the circumferential direction, each first biasing member being accommodated in the holding member and configured to bias the sealing member along a vertical direction with respect to the holding member. The plurality of first biasing members are configured to generate biasing forces, respectively, which are parallel to each other.