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:
Jul. 28, 2020
Filed:
May. 16, 2017
Aisin Seiki Kabushiki Kaisha, Kariya-shi, Aichi-ken, JP;
Katsuhiro Kajio, Anjo, JP;
AISIN SEIKI KABUSHIKI KAISHA, Kariya-Shi, Aichi-Ken, JP;
Abstract
A fluid control valve includes: a valve housing including a flow path formed therein and having inflow and outflow ports for a fluid; a valve seat formed in the flow path; a driving device mounted in the valve housing; a valve shaft configured to be moved by being driven by the driving device; a valve body mounted on the valve shaft so as to open or close the flow path by being separated from or brought into contact with the valve seat; and a diaphragm formed in a form of an annular thin film and including outer and inner circumferential portions, and configured to move together with the valve shaft in a state where one side thereof faces a fluid chamber including the flow path and the valve seat so as to allow the fluid to flow therethrough, and the other side thereof faces an atmosphere chamber.