FIELD: ventilation.
SUBSTANCE: invention relates to ventilation systems of rooms. Method for protecting a ventilated building room from pathogenic particles is characterized in that with decreasing air pressure in a ventilated room the air space of the ventilated room is isolated from the air channel of the ventilation system by the device for protection of the ventilated room, which ensures the closed mode. When the air pressure in the ventilated room increases, air space of the ventilated room is connected with air channel of ventilation system with device for protection of ventilated room, which provides open mode. In the absence of air draft in the ventilation channel of the building and termination of the ventilation system operation, the protection device on the side of the ventilated room is tightly closed with a removable emergency plug. Also disclosed is ventilated room protection device.
EFFECT: technical result consists in improvement of protection of residential and industrial buildings.
4 cl, 8 dwg
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