Title:
PORTABLE AIR-PURIFYING RESPIRATOR
Document Type and Number:
WIPO Patent Application WO/2019/071845
Kind Code:
A1
Abstract:
A portable air-purifying respirator, comprising a hose (1), and an air purification unit and an intake end unit that are communicated by means of the hose (1). The intake end unit comprises a nostril access tube (201), an intake tube (202), and an exhaust tube (203). The intake tube (202) and the exhaust tube (203) are separately communicated with the nostril access tube (201), and the other end of the intake tube (202) is communicated with the hose (1). A gas check valve (204) is provided on the intake tube (202) or the exhaust tube (203). The air-purifying respirator is simple and reasonable in structure and good in purification effect.
Inventors:
LI XIAOZHONG (CN)
Application Number:
PCT/CN2017/118982
Publication Date:
April 18, 2019
Filing Date:
December 27, 2017
Export Citation:
Assignee:
LI XIAOZHONG (CN)
International Classes:
A62B9/00
Foreign References:
| CN203898979U | 2014-10-29 | |||
| CN103263734A | 2013-08-28 | |||
| CN104826247A | 2015-08-12 | |||
| CN104826249A | 2015-08-12 | |||
| GB2255285A | 1992-11-04 |
Attorney, Agent or Firm:
GUANGZHOU PANYU RONDA PATENT AGENCY (CN)
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