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:
Jun. 16, 2026
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
A seal device, includes: a seal member disposed between a rotating part and a stationary part of a rotating machine in a radial direction of the rotating machine; and a retention member for supporting the seal member movably along the radial direction, the retention member being at least partially accommodated in a groove disposed in the stationary part so as to extend along a circumferential direction. The retention member has: a base portion accommodated in the groove; and a protruding portion protruding radially inward from the base portion. The seal member has a sliding surface which is adjacent to the protruding portion in an axial direction and is slidable on the protruding portion.