ISOLATING RESPIRATORY SYSTEM Russian patent published in 1995 - IPC

FIELD: isolating respiratory systems of hermetically-sealed objects for protection of respiratory organs of divers under normal and higher pressure. SUBSTANCE: isolating respiratory system comprises a breathing bag with overpressure valve and oxygen-demand regulator, a pipe, oxygen and gas mixture bottles, individual breathing modules, consumption stimulator, filter-cassette for removal of noxious substances, gas distributor, automatic oxygen analyzer with a primary converter, and oxygen supply solenoid valve. The breathing bag is connected by the pipe with the consumption stimulator, filter-cassette for removal of noxious substances and gas distributor to form a recirculating loop. The primary converter is connected via the automatic regulator with the oxygen supply solenoid valve. EFFECT: better protection of respiratory organs of divers. 4 cl, 1 dwg