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:
Dec. 23, 2025
Filed:
Mar. 13, 2023
Eagle Industry Co., Ltd., Tokyo, JP;
Tadatsugu Imura, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
An annular sliding component disposed at a relatively rotating position of a rotating machine and relatively sliding on a counterpart sliding component has a sliding surface provided with a shallow groove which extends in a circumferential direction and which generates a negative pressure, and a deep groove which collects a sealed fluid inside the shallow groove. The shallow groove is disposed on both sides of the deep groove in the circumferential direction, and the sliding surface is further provided with a communication groove which is disposed on a leakage side of a leakage side end portion of the deep groove to communicate with the shallow grooves on both sides in the circumferential direction.