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.

Date of Patent:
Sep. 21, 2021

Filed:

Jan. 15, 2018
Applicant:

Eagle Industry Co., Ltd., Tokyo, JP;

Inventors:

Wataru Kimura, Tokyo, JP;

Yuichiro Tokunaga, Tokyo, JP;

Yuta Negishi, Tokyo, JP;

Takeshi Hosoe, Tokyo, JP;

Hideyuki Inoue, Tokyo, JP;

Tetsuya Iguchi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16C 33/10 (2006.01); F16C 33/74 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3412 (2013.01); F16C 33/107 (2013.01); F16C 33/1065 (2013.01); F16C 33/74 (2013.01); F16C 2360/24 (2013.01);
Abstract

In an exemplary embodiment, a sliding component includes a pair of sliding parts sliding relatively to each other. One sliding part is a stationary-side seal ring, and the other sliding part is a rotating-side seal ring, wherein the seal rings have sliding faces S formed radially for sealing a liquid or a misty fluid as a sealed fluid against leakage. At least one of the sliding faces S is provided with: spiral grooveswhich have upstream endsconnected to a leakage side, and downstream endsnot connected to a circumferential edge on a sealed-fluid side, and are disposed at an angle from upstream to downstream; and discharge groovesdisposed at an angle such that their upstream endsare located on the leakage side and their downstream endsare located on the sealed-fluid side.


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