| 摘要 |
FIELD: medical engineering. SUBSTANCE: device has several masks with respiratory sacks, collector, two absorbers filled with adsorbing material, filter, unit for supplying gas mixture in continuous mode having inlet and discharge valves mounted on inlet tubes of each absorber unit allowing sequential and pair-wise shutting, reverse valve mounted on outlet tubes of each absorber unit, reducing throttling valve to enable communication of absorber unit outlet tubes and nozzles having receivers mounted in series in font of collector unit. Regulator unit has pipes having dosing valve for making filter- to-collector communication. Atmospheric air sampler optionally has compressed air supply source and compressor. EFFECT: prolonged service life in uninterrupted mode. 5 cl, 1 dwg
|
