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:
Jan. 07, 2025
Filed:
Oct. 25, 2021
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
EAGLE INDUSTRY CO., LTD., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 11/07 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0613 (2013.01); F16K 11/07 (2013.01); F16K 11/0708 (2013.01); Y10T 137/8671 (2015.04);
Abstract
A spool valve includes a sleeve having a plurality of ports, and a spool arranged inside the sleeve and having a land formed so as to be brought into sliding contact with inner walls of the sleeve. A depression is formed in the land over an entire circumference.