Title:
STOP VALVE AND REFRIGERATION SYSTEM HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/143180
Kind Code:
A1
Abstract:
A stop valve (100) and a refrigeration system (200) having same. The stop valve (100) comprises: a valve body (10), the valve body (10) being provided with a valve port (161); and a valve core (20), the valve core (20) being at least partially provided inside the valve body (10) and being capable of moving in the axial direction of the valve body (10) to block or open the valve port (161), wherein the side of the valve core (20) facing the valve port (161) is provided with a first groove (22), a first sealing member (221) is embedded in the first groove (22), the first sealing member (221) is in interference fit with the first groove (22), a limiting part (222) is provided on the inner wall of the first groove (22), and the limiting part (222) can limit the first sealing member (221).
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Inventors:
CHEN DIYONG (CN)
LOU FENG (CN)
ZHOU FENG (CN)
FENG GUANGHUA (CN)
LOU FENG (CN)
ZHOU FENG (CN)
FENG GUANGHUA (CN)
Application Number:
PCT/CN2023/072346
Publication Date:
August 03, 2023
Filing Date:
January 16, 2023
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/04; F16K1/32; F16K1/36; F16K24/06; F16K27/02; F16K41/06
Foreign References:
| CN2132040Y | 1993-05-05 | |||
| CN216742879U | 2022-06-14 | |||
| CN101818818A | 2010-09-01 | |||
| CN106567934A | 2017-04-19 | |||
| CN110792787A | 2020-02-14 | |||
| CN201827493U | 2011-05-11 | |||
| CN211501754U | 2020-09-15 | |||
| JP2012092880A | 2012-05-17 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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