Title:
REVERSING VALVE
Document Type and Number:
WIPO Patent Application WO/2022/012692
Kind Code:
A1
Abstract:
A reversing valve, comprising a valve body (10) and a valve core (20) rotatably mounted in the valve body (10); the valve body (10) is provided with a plurality of passages (11), the rotary valve core (20) can selectively enable the communication of at least two of the plurality of passages (11), the valve body (10) is internally provided with a first chamber (14) and a second chamber (15) which are separated from each other, and the plurality of passages (11) are all in communication with the second chamber (15). The reversing valve further comprises a chamber dividing portion (50), the chamber dividing portion (50) being provided in the first chamber (14) and being fixedly connected to the valve body (10), so as to divide the first chamber (14) to obtain a control chamber; and a driving portion, the driving portion being provided in the control chamber and being fixedly connected to the valve core (20), and the driving portion driving the valve core (20) to rotate according to a pressure difference in the control chamber.
Inventors:
HAN RUNHU (CN)
Application Number:
PCT/CN2021/107193
Publication Date:
January 20, 2022
Filing Date:
July 19, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F15B15/12; F16K11/08; F16K11/085; F16K27/06; F16K27/08; F16K31/16; F16K31/44
Foreign References:
| CN213271135U | 2021-05-25 | |||
| CN213419990U | 2021-06-11 | |||
| CN108397572A | 2018-08-14 | |||
| CN213271134U | 2021-05-25 | |||
| CN201517634U | 2010-06-30 | |||
| CN204553935U | 2015-08-12 | |||
| US20130247604A1 | 2013-09-26 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
Download PDF: