| 摘要 |
A compressed-air breathing apparatus with an extended operating time by means of reinhalation with a compressed-air supply (1) with a connected demand valve (2), whereby the demand valve (2) is connected to a reversible respiratory gas reservoir (4) with an adjustable volume, and a reinhalation line (25) for the wearer of the apparatus with an exhalation valve (88), whereby the reinhalation line (25) is connected to the respiratory gas reservoir (4). This arrangement provides an improved utilisation of the compressed-air supply dependent on the physiology of the user. |
