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