BREATHING APPARATUS Russian patent published in 2004 - IPC

Abstract RU 2233188 C1

FIELD: equipment for keeping person's life in unsuitable for breathing environment.

SUBSTANCE: breathing apparatus comprises cylinder with compressed air, shut-off valve, pressure reducer, breathing mask with expired valve and hose, elastic shell changing its volume accordingly with inspiration-expiration cycle. Pressure reducer may regulate air flow upon demands of endogenously breathing person.

EFFECT: extended operational capabilities.

2 cl, 1 dwg

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RU 2 233 188 C1

Authors

Rusinov Vladimir Fedotovich

Bystrov Ju.P.

Dates

2004-07-27—Published

2002-09-25—Filed