Title:
CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2024/082938
Kind Code:
A1
Abstract:
Disclosed is a control valve. The control valve comprises a first valve seat (1), a first sealing seat (2) and a valve core (3), wherein the first valve seat (1) is cylindrical, the first sealing seat (2) is circular, the first valve seat (1) directly or indirectly abuts against the first sealing seat (2) in an axial direction of the first valve seat (1), the first sealing seat (2) abuts against the valve core (3), the first valve seat (1) comprises a first fluid outlet (120), the valve core (3) comprises a first outlet hole (32), the first outlet hole (32) can be in communication with the first fluid outlet (120), and an inner wall of the first valve seat (1) comprises a first end wall (111) close to the valve core. The inner diameter of the first outlet hole (32) is defined as d, the minimum inner diameter of the first sealing seat (2) is defined as h, the inner diameter of the first end wall (111) is defined as D, and D > h > d is met. With the control valve, the fluid turbulence phenomenon of the control valve is improved.
Inventors:
XU MINGHUI (CN)
YAN WEILIN (CN)
YAN WEILIN (CN)
Application Number:
PCT/CN2023/121539
Publication Date:
April 25, 2024
Filing Date:
September 26, 2023
Export Citation:
Assignee:
ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS CO LTD (CN)
International Classes:
F16K11/087
Foreign References:
| CN112081940A | 2020-12-15 | |||
| CN110360324A | 2019-10-22 | |||
| CN112503203A | 2021-03-16 | |||
| US20090206181A1 | 2009-08-20 | |||
| US20190113012A1 | 2019-04-18 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW CO., LTD. (CN)
Download PDF: