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:
May. 18, 2021
Filed:
Sep. 29, 2017
Eagle Industry Co., Ltd., Tokyo, JP;
Nok Corporation, Tokyo, JP;
Masatoshi Itadani, Tokyo, JP;
Kazumasa Sunagawa, Tokyo, JP;
Tetsuzo Okada, Tokyo, JP;
Keiichi Chiba, Tokyo, JP;
Kenji Kiryu, Tokyo, JP;
Tadahiro Kimura, Tokyo, JP;
Akiko Koga, Fujisawa, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
NOK CORPORATION, Tokyo, JP;
Abstract
In an exemplary embodiment, a sliding component includes an annular stationary side seal ringfixed to the stationary side and an annular rotating side seal ringto be rotated together with a rotating shaft, in which by relatively rotating opposing sealing faces S of the stationary side seal ringand the rotating side seal ring, a silicate-containing sealed fluid present on one side in the radial direction of the relatively rotating sealing faces S is sealed, wherein an amorphous carbon filmformed by using a hydrocarbon gas containing no silicon compound is provided on at least any one of the sealing faces S of the stationary side seal ringand the rotating side seal ring, and content of silicon of the amorphous carbon filmis 1.5 at % or less.