Title:
PILOT VALVE AND FOUR-WAY REVERSING VALVE
Document Type and Number:
WIPO Patent Application WO/2020/244559
Kind Code:
A2
Abstract:
The present application provides a pilot valve and a four-way reversing valve. The pilot valve comprises: a valve body, wherein the valve body is a cylinder formed by integral stretching and having an open end and a closed end, the closed end is defined as a first end, the open end is defined as a second end, the first end of the valve body is provided with an inlet, the valve body is internally provided with a cavity, and the inlet is in communication with the cavity; an inlet pipe connected to the first end of the valve body, a pipe opening of the inlet pipe being in communication with the inlet; and a limiting structure provided between the first end of the valve body and the inlet pipe, the limiting structure being used for limiting a relative position of the inlet pipe relative to the valve body. By means of the technical solution provided by the present application, the problems of complex structure and high cost in the prior art can be solved.
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Inventors:
CHEN JIANJUN (CN)
LIU HAIBO (CN)
SHAN YUKUAN (CN)
FU XIAOPING (CN)
LIU HAIBO (CN)
SHAN YUKUAN (CN)
FU XIAOPING (CN)
Application Number:
PCT/CN2020/094228
Publication Date:
December 10, 2020
Filing Date:
June 03, 2020
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K27/08; F16K11/065
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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