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:
Jul. 21, 2026

Filed:

Apr. 02, 2021
Applicant:

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

Inventors:

Yuta Negishi, Tokyo, JP;

Yuki Maetani, Tokyo, JP;

Hiroki Inoue, Tokyo, JP;

Ryosuke Uchiyama, Tokyo, JP;

Minori Onuma, Tokyo, JP;

Gai Yamaguchi, Tokyo, JP;

So Makishima, Tokyo, JP;

Osamu Matsumoto, Tokyo, JP;

Yoshiaki Takigahira, Tokyo, JP;

Koji Watanabe, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3424 (2013.01);
Abstract

A sliding surface of a second sliding component is provided with a plurality of second positive pressure generation grooves communicating with a leakage side space, extending in a relative rotation direction of the second sliding component, and having closed terminating end portions, a sliding surface of a first sliding component is provided with a plurality of first positive pressure generation grooves communicating with the leakage side space, extending in a relative rotation direction of the second sliding component, and having closed terminating end portions, and the sliding surface and the sliding surface slide on each other at least in such a manner that the first positive pressure generation grooves and the second positive pressure generation grooves overlap and intersect with each other.


Find Patent Forward Citations

Loading…