| 摘要 |
<p>The present invention relatesto a Fire smoke cleansing device for personal use and comprising a particle filter, carbon monoxide filter and a filter for acidic gases, whereby it comrises a rectangular oblong house (1), which in one end comprises a number of inlet openings (3) arranged over an end surface (2) for a gaseous medium, in connection to the inlet openings (3) a filter space (5) is arranged containing in the order given from the inlet openings: a) a particle filter (21); b) a catalyst (22) for the oxidation of carbon monoxide to carbon dioxide to eliminate carbon monoxide present in said gaseous medium; and c) a filter mass (23) for elimination of acidic gases, in connection to the filter space (5) a valve chamber (6) is arranged comprising two one-way valves (9, 13) to provide a controlled flow of gas through said filter space and a bite mouth piece (11) arranged to the valve chamber (6) at the opposite end (10) of the house for providing ventilation, as well as package containing such a fire smoke cleansing device.</p> |
