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US Patent 11306830 Valve device

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TimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
113068301
Patent Inventor Names
Tsutomu Shinohara1
Hidenobu Sato1
Kenta Kondo1
Tomohiro Nakata1
Date of Patent
April 19, 2022
1
Patent Application Number
172629841
Date Filed
May 31, 2019
1
Patent Citations
‌
US Patent 10724644 Fluid control valve
Patent Citations Received
‌
US Patent 11761547 Valve orifice insert
‌
US Patent 11713819 Valve device
4
Patent Primary Examiner
‌
Michael R Reid
1
CPC Code
‌
F16K 25/005
1
‌
F16K 7/16
1
‌
F16K 11/022
1

A valve device includes a valve body; a valve seat; an inner disk made of a metal alloy having an inner annular portion, outer annular portion and a connecting portion that connects the inner annular portion and the outer annular portion; a diaphragm made of a metal alloy covering the inner disk and the valve seat and moving between an open position at which the diaphragm does not contact the valve seat and a closed position at which the diaphragm contacts the valve seat to enable and shuts off communication between the first flow path and the second flow paths; and a presser adapter that presses a peripheral edge portion of the diaphragm toward the outer annular portion; and the inner disk has a hardness higher than the valve seat and lower than both the valve body and the diaphragm.

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