Title:
GAS FILTERING HOSE AND PRESSURE-REGULATING VALVE GROUP
Document Type and Number:
WIPO Patent Application WO/2021/233252
Kind Code:
A1
Abstract:
A gas filtering hose and a pressure-regulating valve group, the pressure-regulating valve group comprising an angle valve (400), a pressure relief valve (500), and a gas filtering hose, the gas filtering hose comprising a hose body (100) and a filtering mechanism (200), the filtering mechanism (200) comprising a housing assembly (210) and a connector (220) disposed at a bottom end of the housing assembly (210). A separation cavity (211) is provided on the housing assembly (210); a vent channel (212) is disposed on the top portion of the housing assembly (210); the vent channel (212) is capable of communicating with the separation cavity (211); a connection portion (225) for fixed connection with a top end of the hose body (100) is provided at a bottom end of the connector (220); a filtration baffle (221) is provided at a top end of the connector (220); and a vent hole (222) is formed on the circumferential wall of the connection between the connector (220) and the filtration baffle (221).
Inventors:
CHEN GUOQUAN (CN)
DENG XIANMIN (CN)
YOU JINTANG (CN)
MAI GUANGZHI (CN)
DENG XIANMIN (CN)
YOU JINTANG (CN)
MAI GUANGZHI (CN)
Application Number:
PCT/CN2021/094128
Publication Date:
November 25, 2021
Filing Date:
May 17, 2021
Export Citation:
Assignee:
CHANT HEAT ENERGY SCIENCE & TECH ZHONGSHAN CO LTD (CN)
International Classes:
B01D45/08; F16K1/00; C10L3/10; F16K1/32
Foreign References:
| CN212360794U | 2021-01-15 | |||
| CN203355511U | 2013-12-25 | |||
| CN106039847A | 2016-10-26 | |||
| CN205760158U | 2016-12-07 | |||
| CN203892652U | 2014-10-22 | |||
| CN207126270U | 2018-03-23 | |||
| GB759400A | 1956-10-17 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
Download PDF:
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