DEVICE FOR BREATHING WITH ATMOSPHERIC AIR LOCATED IN ROOM WITH PEOPLE Russian patent published in 2011 - IPC F24F1/04 

FIELD: instrument making.

SUBSTANCE: device comprises a mask connected via a breathing hole with a human respiratory system, a channel of atmospheric air supply into a room and a channel to exhaust the used air from the room communicated with the mask. The device is equipped with at least one fan with rotation speed controller installed in the channel of atmospheric air supply and/or the channel of used air exhaust. The mask is made with a cavity connected to a breathing hole. The channel of atmospheric air supply and the channel of used air exhaust are communicated with the mask with the help of the cavity.

EFFECT: provision of comfortable conditions of staying in a room.

15 cl, 5 dwg