Title:
FLOW REGULATING VALVE
Document Type and Number:
WIPO Patent Application WO/2022/078220
Kind Code:
A1
Abstract:
A flow regulating valve, comprising: a valve body (10) having a valve port, a first tapered surface (11) being provided on an inner wall of the valve port; and a valve head (20), a chamfer (21) being provided on an end portion of the valve head (20). The valve head (20) is movably arranged in the valve body (10) to close or open the valve port. When the valve port is closed, the chamfer (21) abuts against the tapered surface (11). A second tapered surface (12) is also provided on the inner wall of the valve port. One end of the second tapered surface (12) having a small diameter is connected to one end of the first tapered surface (11) having a large diameter.
More Like This:
| WO/2005/015066 | FLUID CONTROL VALVE, PARTICULARLY HOT WATER VALVE |
| WO/2018/008294 | DRAIN TRAP |
Inventors:
ZHAN SHAOJUN (CN)
XU GUANJUN (CN)
XU GUANJUN (CN)
Application Number:
PCT/CN2021/121855
Publication Date:
April 21, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/36; F16K1/00; F16K1/42; F16K31/06
Foreign References:
| CN211488210U | 2020-09-15 | |||
| CN202569195U | 2012-12-05 | |||
| CN108533802A | 2018-09-14 | |||
| JP2005265104A | 2005-09-29 | |||
| CN201062664Y | 2008-05-21 | |||
| CN103940159A | 2014-07-23 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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