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:
Mar. 13, 2018
Filed:
Sep. 30, 2014
Eagle Industry Co., Ltd., Tokyo, JP;
Koichi Mori, Tokyo, JP;
Shinji Nishida, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
A check valve () that opens and closes by causing a valve element () to come into contact with and separate from a valve seat () and thereby controls a flow of fluid that flows in through an inlet () and flows out through an outlet (). The check valve () has: the inlet () provided at a downside thereof; the outlet () provided at an upside thereof; the valve seat () formed to surround the inlet (); the valve element () configured to be able to come into contact with and separate from the valve seat () vertically; and a guide portion () that has a fluid guide surface () horizontally guiding a fluid flowing in through the inlet (), and a valve element guide surface () provided on a side surface thereof, the valve element guide surface () vertically guiding the valve element.