Title:
ELECTRONIC EXPANSION VALVE
Document Type and Number:
WIPO Patent Application WO/2021/218845
Kind Code:
A1
Abstract:
An electronic expansion valve, comprising a valve base, a valve body component, a valve element, a porous component and a guide component, wherein the valve body component comprises a valve body, and the valve body is fixedly connected to the valve base; the valve base comprises a valve port part; a first valve cavity and a second valve cavity are further comprised, with the first valve cavity being located on the side opposite the upper portion of the valve port part, and the second valve cavity being located on the side opposite the lower portion of the valve port part; the valve port part is provided with a valve port which is in communication with the first valve cavity and the second valve cavity; the electronic expansion valve is provided with a first connector and a second connector, with the first connector being in communication with the first valve cavity, and the second connector being in communication with the second valve cavity; the valve element is at least partially located in the first valve cavity, and the valve element cooperates with the valve port to adjust the flow of the electronic expansion valve; the diameter of the valve port is smaller than that of the second connector, and the diameter of the second connector is smaller than that of the second valve cavity; and the guide component is fixedly connected to the valve base, at least most of the porous component is located in the first valve cavity, one end of a cylindrical portion directly or indirectly abuts against the guide component, and the other end of the porous component oppositely abuts against or is fixedly connected to the valve base.
Inventors:
WEI XIANRANG (CN)
SHEN ZICHENG (CN)
SHEN ZICHENG (CN)
Application Number:
PCT/CN2021/089572
Publication Date:
November 04, 2021
Filing Date:
April 25, 2021
Export Citation:
Assignee:
ZHEJIANG SANHUA INTELLIGENT CONTROLS CO LTD (CN)
International Classes:
F16K1/36; F16K1/32; F16K1/42; F25B41/31
Foreign References:
| CN103994231A | 2014-08-20 | |||
| CN107435753A | 2017-12-05 | |||
| CN203963029U | 2014-11-26 | |||
| CN106989193A | 2017-07-28 | |||
| CN106352139A | 2017-01-25 | |||
| CN208794791U | 2019-04-26 | |||
| CN206338987U | 2017-07-18 | |||
| JP2000081163A | 2000-03-21 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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