FIELD: ventilation.
SUBSTANCE: system is designed for natural exhaust ventilation of buildings, especially of multi-storey ones. The system consists of the main and auxiliary ventilation shafts. The main shaft comprises satellite ducts (channels) from the premises on the lower floors up to the neutral planes of pressure plots. The auxiliary shaft is connected to the upper floors. An ejection zone is produced at the point of the shafts connection. Extraction from the shaft connected to the upper floors is activated in the above zone due to the pressure difference.
EFFECT: system performance is of increased stability, especially in the warm season.
1 dwg
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