FIELD: life support systems for flying vehicles and methods of functioning of such systems.
SUBSTANCE: proposed life-support system includes first unit for limited supply of first generated gas which is pure oxygen or oxygen-enriched gas, breathing gas supply unit and second unit for long-term supply of breathing gas supply unit with second generated gas which is oxygen-enriched gas. Second generated gas has reduced oxygen concentration as compared with that of first generated gas. Second generated gas is fed under pressure exceeding pressure of first generated gas supplied to breathing gas supply unit.
EFFECT: enhanced reliability; long-term supply of oxygen-enriched gas for flight of vehicle in case of depressurization of cabin at retained flight altitudes.
9 cl, 2 dwg
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