Title:
ELECTRONIC EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2022/152179
Kind Code:
A1
Abstract:
An electronic expansion valve, comprising: a housing (1), the housing (1) comprising a valve carrier (12) and a sleeve (13), and the sleeve (13) being sleeved on the valve carrier (12) to form an accommodating cavity (11); and a nut assembly (2), wherein the nut assembly (2) is arranged in the accommodating cavity (11). The nut assembly (2) is provided with a connecting portion (22) connected to the valve carrier (12), and the connecting portion (22) and the valve carrier (12) enclose a guide cavity (111); and the nut assembly (2) is provided with a boss (21) for fixing solder, the boss (21) is located in the guide cavity (111), and a solder placement recess (23) is formed between the boss (21) and the valve carrier (12).
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Inventors:
HUANG HONGFENG (CN)
ZHAN SHAOJUN (CN)
ZHAO JUN (CN)
ZHAN SHAOJUN (CN)
ZHAO JUN (CN)
Application Number:
PCT/CN2022/071657
Publication Date:
July 21, 2022
Filing Date:
January 12, 2022
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/00; F16K1/42; F16K27/02; F25B41/34
Foreign References:
| CN214617859U | 2021-11-05 | |||
| CN210920266U | 2020-07-03 | |||
| CN102927342A | 2013-02-13 | |||
| CN210920141U | 2020-07-03 | |||
| CN111237525A | 2020-06-05 | |||
| JPH1122849A | 1999-01-26 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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