FIELD: diving technology; breathing apparatus using gas breathing mixtures.
SUBSTANCE: proposed breathing apparatus includes breathing bag and indifferent gas and oxygen bottles connected with breathing bag through control circuits, blood oxygenation measurement unit, unit for adaptation of setting for user and two channels: main and correcting channels for control of delivery of oxygen to breathing bag. Each channel includes comparison unit, control unit and oxygen supply adjusting valve. Setting of main channel is corrected according to user depending on readings of partial pressure sensors; this setting is compared with blood oxygenation sensors of user. Proportioned delivery of oxygen to breathing mixture is performed according to data of said comparison.
EFFECT: enhanced safety of diving due to enhanced efficiency of control of breathing mixture.
4 cl, 1 dwg
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