Self-contained emergency breathing apparatus
US5027810A · kind A · utility
21Cited by
5References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 2, 1990 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Mar 2, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B17/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A self-contained emergency breathing apparatus is provided comprising a hood (10) surrounding substantially sealingly the head of a person and comprising an assembly (18) formed of a cylinder of breathable gas at high pressure, a pressure reducer, an ejection nozzle, a duct for sucking the air contained in the hood and mixing this air with the ejected gas and carbon dioxide absorption means. The apparatus may be stored for a long period of time and be used for a short period of time for escaping from a zone having risks of asphyxiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.