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:
Aug. 02, 2022
Filed:
Mar. 13, 2019
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventors:
Tadahiro Kimura, Tokyo, JP;
Yasuhiro Ikeda, Tokyo, JP;
Masamitsu Sanada, Tokyo, JP;
Masatoshi Itadani, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3496 (2013.01);
Abstract
A mechanical seal capable of preventing charge accumulation on a rotary shaft includes a fixed sealing element which is held at an inner periphery of housing members of machines to be installed and has at least a fixed seal ring, and a rotating sealing element which is held at an outer periphery of a rotary shaft rotatably supported in the housing members and has at least a rotating seal ring. A conductive element is provided between the fixed sealing elementand the rotary shaft or a rotary shaft member fixed to the rotary shaft.