EXHAUST SHAFT Russian patent published in 2019 - IPC F24F7/00 

FIELD: ventilation.

SUBSTANCE: invention relates to the field of ventilation and can be used to remove polluted air from the livestock or production premises. Exhaust shaft includes rectangular cross-section air duct made of heat-insulating walls and located on the south side of the panel transparent to solar radiation with an air layer, installed in the middle of shaft parallel to transparent panel heat-conducting screen, accumulating solar energy, at that, the energy source for movement of air in the shaft is made in the form of a needle-shaped metal conductor, which is turned with a sharpened end in the gap between the umbrella and the shaft head, and is connected to the direct current network.

EFFECT: higher air capacity of the exhaust shaft in the absence of wind and solar radiation.

1 cl, 1 dwg