INSULATING RESPIRATORY SYSTEM Russian patent published in 2009 - IPC A62B11/00 A62B15/00 

FIELD: anti-gas technology.

SUBSTANCE: invention relates to devices for the protection of respiratory organs from poisonous and harmful gases in airtight and semi-airtight rooms. The system contains recirculating loops for cleaning and ventilating the respiratory gas environment, modules for individual breathing, oxygen source and a cylinder-protector of the gas mixture. Recirculating loops contains a cartridge for absorbing carbon dioxide and harmful impurities, collector for inhalation and exhalation and a receiver. The receiver is joined with the collector for inhalation, oxygen source and cylinder-protector of the gas mixture. A module for individual breathing is connected with the exhalation collector through the valve chamber and with the inhalation collector through the breathing bag. There is provision for protection of respiratory organs of a variable number of the personnel regardless of his position on the object due to the stationary modular assembly of individual breathing under the location of distribution of the personnel taking into account the internal dimensions and the workload of the premises.

EFFECT: optimal composition of the gas mixture is provided regardless of the number of the personnel.

2 dwg