DIVING BREATHING APPARATUS OF CLOSED BREATHING SCHEME Russian patent published in 2004 - IPC

Abstract RU 2225322 C2

FIELD: diving breathing apparatus. SUBSTANCE: proposed diving breathing apparatus includes breathing bag and two cartridges filled with regenerative and absorbent agents which are connected in parallel in expiration line. Expiration line is provided with three-way electromagnetic valve controlled by means of electric oxygen partial pressure sensor. Sensor is mounted in inspiration line. EFFECT: enhanced efficiency of regenerative agent and carbon dioxide absorbent; enhanced accuracy of maintenance of preset composition of breathing mixture. 3 dwg

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RU 2 225 322 C2

Authors

Iljukhin V.N.

Smirnov A.I.

Sukhikh V.A.

Khvostova N.O.

Dates

2004-03-10—Published

2001-08-30—Filed