Isolated refuge cabin
US8789315B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2013 |
| Grant date | Jul 29, 2014 |
| Priority date | — |
| Expiry date | Nov 22, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21F11/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention relates a refuge used in underground mines, and more particularly to a type of isolated refuge cabin used in underground mines, including the supporting airbag (1), the body shell (2) equipped outside the supporting air bag (1), a breathable air supplier (4) and an air inflation device (3); the air outlet (5) of the air inflation device (3) is linked with an air outlet (7) of the supporting air bag (1) through an air supply passage (6); the air inlet (8) of the breathable air supplier (4) is connected to the interior cavity of the body shell (2) through an air intake passage (9); the air outlet (10) of the breathable air supplier (4) is linked with the lower part of the interior cavity of the body shell (2) through the air outlet passage (11); the breathable air supplier (4) includes a shell (12), the oxygen generating agent (13) equipped inside the shell (12); the emergency exit (14) is installed on the body shell (2). The present invention provides an isolated refuge cabin of a simple structure, which can be operated safely and easily to effectively separate the exterior environment of the mining accident areas and provide conditions for survival for human b…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.