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:
Oct. 08, 2024
Filed:
Mar. 02, 2021
Eagle Industry Co., Ltd., Tokyo, JP;
Tadatsugu Imura, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., , JP;
Abstract
Provided is a sliding component capable of reliably generating a negative pressure in a shallow groove regardless of a relative rotation speed of the other sliding component. In an annular sliding component disposed at a relatively rotating position of a rotating machine and sliding relative to the other sliding component, a sliding surface of the sliding component is provided with a shallow groove extending in a circumferential direction and generating a negative pressure and a deep groove collecting a sealing target fluid in the shallow groove and deeper than the shallow groove. The shallow groove has a terminating end portion in which a cross-sectional are of a flow path thereof becomes narrow toward the deep groove.