DEMAND AND DILUTION MASK REGULATOR AND METHOD OF REGULATING ADDITIONAL OXYGEN IN THE MASK REGULATOR
A demand and dilution mask regulator comprising an oxygen feed circuit and a dilution circuit for supplying air. The oxygen feed circuit and the dilution circuit are connected to a mixing chamber (35). In the dilution circuit, the inhaled breathe-in air flow rate is measured through a capillary duct...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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