ONE-WAY VALVE AND VALVE ISLAND

WIPO Patent Application WO/2023/284744

A1

An one-way valve and a valve island. The one-way valve comprises: a blocking portion (10), the blocking portion (10) being provided with a flow cavity (11) and a flow port (12) in communication with the flow cavity (11); a valve body (20) which is connected to the blocking portion (10), the valve body (20) being provided with a flow-through hole (21) and a valve port (22) in communication with the flow-through hole (21); a piston portion (30), the piston portion (30) comprising a piston head (31), a piston shaft (32) and a limiting cap (33) which are connected in sequence, wherein the piston shaft (32) passes through the valve body (20), the limiting cap (33) is located inside the flow cavity (11), and the piston head (31) is movably arranged to block or open the valve port (22); and an elastic member (40) which is arranged inside the flow cavity (11), one end of the elastic member (40) abutting against the valve body (20) and the other end thereof abutting against the limiting cap (33). The one-way valve is easy to assemble.

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FENG ZHONGBO (CN)
JIN JU (CN)
WANG FUGANG (CN)

PCT/CN2022/105217

January 19, 2023

July 12, 2022

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ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)

F16K15/06; F16K15/02; F16K17/04

CN215806542U	2022-02-11
CN211599638U	2020-09-29
CN212564562U	2021-02-19
CN205224205U	2016-05-11
DE102011006601A1	2012-10-04
JP2008144778A	2008-06-26

KANGXIN PARTNERS, P.C. (CN)

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