Title:
FLUID NON-CROSSOVER SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2021/128928
Kind Code:
A1
Abstract:
A fluid non-crossover switching valve, comprising a valve body (20), a first drive assembly (30) and a second drive assembly (40); the valve body (20) comprises a valve head (21), a valve core seat (22) and a rotor valve core (23), the valve core seat (22) is rotatable relative to the valve head (21), the rotor valve core (23) is slidably mounted on the valve core seat (22), the rotor valve core (23) is attached to the valve head (21), the valve head (21) is provided with at least three reversing interfaces (211), the rotor valve core (23) is provided with a groove (231), the groove (231) can be in communication with the reversing interfaces (211) on the attachment surface between the rotor valve core (23) and the valve head (21), the first drive assembly (30) can drive the valve core seat (22) to rotate, and the second drive assembly (40) can drive the rotor valve core (23) to slide.
Inventors:
REN DAPENG (CN)
Application Number:
PCT/CN2020/113169
Publication Date:
July 01, 2021
Filing Date:
September 03, 2020
Export Citation:
Assignee:
NANJING RUNZE FLUID CONTROL EQUIPMENT CO LTD (CN)
International Classes:
F16K11/08; F16K11/078; F16K31/04; F16K31/52
Foreign References:
| CN110886873A | 2020-03-17 | |||
| CN110925450A | 2020-03-27 | |||
| CN110925474A | 2020-03-27 | |||
| CN211202968U | 2020-08-07 | |||
| CN204852471U | 2015-12-09 | |||
| JPH11153238A | 1999-06-08 |
Other References:
See also references of EP 3872378A4
Attorney, Agent or Firm:
CHANGZHOU WISDOM TENDA PATENT ATTORNEY LAW FIRM (GENERAL PARTENER) (CN)
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