Title:
STOP VALVE AND REFRIGERATION SYSTEM THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/173905
Kind Code:
A1
Abstract:
A stop valve and a refrigeration system thereof. The stop valve (100) comprises a valve body (10) and a valve core (20); the valve body (10) is provided with a valve core end (17), a first opening (11), and a second opening (13); the first opening (11) is used for being connected to a first communication pipe (12); the second opening (13) is used for being connected to a second communication pipe (14); an included angle between the central axis of the valve core end (17) and the central axis of the second opening (13) is an acute angle β; along the axial direction of the valve body (10), a maximum distance between a plane where the end surface of the valve core (20) facing the first opening (11) is located and the inner wall of the second opening (13) is X; a smaller inner diameter of the inner diameter of the second opening (13) and the inner diameter of the second communication pipe (14) is Y; and the maximum distance X and the inner diameter Y satisfy a relational expression, i.e., X≥0.8×Y/sinβ.
Inventors:
CHEN DIYONG (CN)
ZHOU FENG (CN)
LOU FENG (CN)
SHOU JIE (CN)
ZHOU FENG (CN)
LOU FENG (CN)
SHOU JIE (CN)
Application Number:
PCT/CN2022/144025
Publication Date:
September 21, 2023
Filing Date:
December 30, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/00; F16K1/36; F16K1/42; F16K27/02
Foreign References:
| CN217381640U | 2022-09-06 | |||
| US4381795A | 1983-05-03 | |||
| CN214305292U | 2021-09-28 | |||
| CN214274498U | 2021-09-24 | |||
| CN101476628A | 2009-07-08 | |||
| CN200961712Y | 2007-10-17 | |||
| CN203627813U | 2014-06-04 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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