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Patent Searching and Data


Title:
STOP VALVE
Document Type and Number:
WIPO Patent Application WO/2023/109957
Kind Code:
A1
Abstract:
Disclosed is a stop valve (100), comprising: a valve seat (10) made of a stainless steel material, at least a first opening (11) and a second opening (12) being provided on the valve seat (10); and a valve core (20), at least part of which is provided inside the valve seat (10) and can move in the axial direction of the valve seat (10), such that the first opening (11) and the second opening (12) are communicated or separated. The valve seat (10) comprises a base (15) and a sleeve (14), at least part of the valve core (20) is located in the sleeve (14) and extends into the base (15), and the base (15) and the sleeve (14) are separately arranged and fixedly connected.

Inventors:
FENG GUANGHUA (CN)
CHEN DIYONG (CN)
ZHOU FENG (CN)
SHOU JIE (CN)
TAN ZHENYU (CN)
Application Number:
PCT/CN2022/139684
Publication Date:
June 22, 2023
Filing Date:
December 16, 2022
Export Citation:
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Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/00
Foreign References:
CN216742848U2022-06-14
CN216742849U2022-06-14
CN216742850U2022-06-14
CN211501648U2020-09-15
US20090179090A12009-07-16
US6189816B12001-02-20
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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