| 摘要 |
<p>A demand regulator (1 ) for aircraft breathing device (100) comprising: - a respiratory chamber (9) supplied with respiratory gas comprising breathable gas and dilution gas, - a breathable gas supply line (12, 13), - a dilution gas supply line (14, 15), - a first adjusting device (50, 60) of non-electrical type adjusting the pressure in the respiratory chamber (9), and - a second adjusting device (22, 24, 40, 41 -49) adjusting the rate of dilution gas in the respiratory gas supplied to the respiratory chamber (9), the second adjusting device comprising a dilution valve (24) disposed in the dilution gas supply line (14, 15), a sensor (41 -49) and an electrical control unit (40) adjusting the rate of dilution gas in the respiratory gas by controlling the dilution valve (24).</p> |
