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. 21, 2018
Filed:
Sep. 03, 2015
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
EAGLES INDUSTRY CO., LTD., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3412 (2013.01); F16J 15/34 (2013.01); F16J 15/342 (2013.01); F16J 15/3416 (2013.01);
Abstract
Provided is a mechanical seal includes a fluid introduction groove provided in a sealing face of a stationary sealing ring and having an opening portion which is opened to the sealed fluid and an end portion which is provided opposite to the opening portion. The end portion being located between respective sealing faces S, the fluid introduction groove introducing the sealed fluid from the opening portion to a clearance between the respective sealing faces S. The fluid introduction groove is provided to be inclined at an acute angle to the sealing face S of the stationary sealing ring in a direction from the end portion to the opening portion.