Title:
ONE-WAY VALVE
Document Type and Number:
WIPO Patent Application WO/2022/083623
Kind Code:
A1
Abstract:
A one-way valve (100). The one-way valve (100) comprises: a housing (10) provided with a valve port (11), the ratio of the wall thickness of the housing (10) to the outer diameter of the housing (10) being between 0.08 and 0.12; and a valve core assembly (20) movably provided in the housing (10) to open or block the valve port (11).
Inventors:
XIONG YUNJUN (CN)
YU ZHOU (CN)
KANG ZHIJUN (CN)
YU ZHOU (CN)
KANG ZHIJUN (CN)
Application Number:
PCT/CN2021/124923
Publication Date:
April 28, 2022
Filing Date:
October 20, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K15/06; F16K1/36; F16K1/42; F16K27/02; F16K27/10; F16L13/02
Foreign References:
CN213420013U | 2021-06-11 | |||
CN208281571U | 2018-12-25 | |||
CN204717194U | 2015-10-21 | |||
CN111623126A | 2020-09-04 | |||
CN214036997U | 2021-08-24 | |||
CN213420014U | 2021-06-11 | |||
CN203480849U | 2014-03-12 | |||
CN108980505A | 2018-12-11 | |||
CN209196181U | 2019-08-02 |
Other References:
See also references of EP 4219988A4
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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