| 摘要 |
PURPOSE: A portable oxygen respiratory apparatus is provided to prevent users from suffocating due to toxic gas or smoke and to be easily used under emergency situations. CONSTITUTION: A portable oxygen respiratory apparatus includes a face wearing part(110), an oxygen supplying part(120), and an air purifying part(130). The face wearing part has a respiration space containing oxygen. The oxygen supplying part is arranged at one side of the face wearing part and supplies oxygen to the respiration space. The air purifying part is arranged at one side of the face wearing part and removes carbon dioxide and humidity from the respiration part. The internal pressure of the respiration space is maintained to be higher than atmospheric pressure.
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