Title:
THROTTLE VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/048260
Kind Code:
A1
Abstract:
A throttle valve device, comprising: a valve seat (10) provided with a first containing cavity; a throttling valve element (20) which is arranged in the first containing cavity and is provided with a first throttling hole (21) and a second throttling hole (22a) or an overflow hole (22b); a first filter assembly (40) which comprises a first positioning convex edge (42) and a first filter body (41) covering the first throttling hole (21), the first positioning convex edge (42) abutting against a first end of the throttling valve element (20); and a second filter assembly (50) which comprises a second filter body (51) and a second positioning convex edge (52), wherein the second positioning convex edge (52) abuts against a second end of the throttling valve element (20), and the second filter body (51) covers the second throttling hole (22a) or the overflow hole (22b).
More Like This:
| JP2005265032 | SEAT STRUCTURE |
| WO/2010/080247 | FLUID CONTROL VALVE |
Inventors:
SHOU JIE (CN)
CHEN DIYONG (CN)
FENG GUANGHUA (CN)
ZHOU FENG (CN)
CHEN DIYONG (CN)
FENG GUANGHUA (CN)
ZHOU FENG (CN)
Application Number:
PCT/CN2021/102385
Publication Date:
March 10, 2022
Filing Date:
June 25, 2021
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F16K1/36; B01D35/04; F16K1/32; F16K27/02
Foreign References:
| CN213685287U | 2021-07-13 | |||
| CN212389841U | 2021-01-22 | |||
| CN213420023U | 2021-06-11 | |||
| CN213420097U | 2021-06-11 | |||
| CN206478907U | 2017-09-08 | |||
| CN210772907U | 2020-06-16 | |||
| CN209800961U | 2019-12-17 | |||
| CN201221879Y | 2009-04-15 | |||
| CN106247004A | 2016-12-21 | |||
| CN109253261A | 2019-01-22 | |||
| JP2004028195A | 2004-01-29 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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