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Title:
NOVEL ELECTRONIC EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2018/068585
Kind Code:
A1
Abstract:
A novel electronic expansion valve, comprising a valve seat (1) on which a bearing housing (2) is provided, the bearing housing (2) having a valve rod (3) matched thereon; the valve seat (1) is provided thereon with a through slot (11) which penetrates from top to bottom; the bearing housing (2) which matches the through slot (11) is inserted into the through slot (11); the valve rod (3) is provided in the bearing housing (2); a straight tube (4) which matches the through slot (11) is welded to the bottom end of the through slot (11); a side hole (12) which is in communication with the through slot (11) is provided on the outer wall of the valve seat (1), a bent tube (5) which matches the side hole (12) being welded onto the side hole (12); a separating sleeve (6) is welded on the outer wall of the valve seat (1); a magnetic rotor (7) is provided outside on the upper end of the valve rod (3); the electronic expansion valve further comprises a muffling device. The electronic expansion valve can efficiently reduce the gas flow rate, reducing noise, and ensuring healthy lives for people.

Inventors:
HE, Xiaoshui (Jinling Village, Ruanshi Town Zhuj, Shaoxing Zhejiang 2, 311802, CN)
CHEN, Huajun (Jinling Village, Ruanshi Town Zhuj, Shaoxing Zhejiang 2, 311802, CN)
Application Number:
CN2017/098582
Publication Date:
April 19, 2018
Filing Date:
August 23, 2017
Export Citation:
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Assignee:
ZHUJI YIBA ELECTRONIC VALVE CO., LTD. (Jinling Village, Ruanshi Town Zhuj, Shaoxing Zhejiang 2, 311802, CN)
International Classes:
F16K47/02; F16C33/04; F16K1/32; F16K27/02; F25B41/06
Attorney, Agent or Firm:
JIAQUAN IP LAW FIRM (ZHANG, PingNo.910, Building A, Winner Plaza, No.100, West Huangpu Avenue, Tianhe Distric, Guangzhou Guangdong 7, 510627, CN)
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