VENTILATION DEVICE FOR THE HEAD OF THE DOM Russian patent published in 2018 - IPC F24F13/08 

FIELD: ventilation.

SUBSTANCE: invention relates to the field of ventilation. Extraction device for the head of the dome contains a headpiece placed at the top of the dome, consisting of a vertical guard with ventilation apertures located along the perimeter of the enclosure, in which adjustable louvered grilles, equipped with pressure sensors, electrically connected with the executive mechanism of turning the louvred grille, are built-in, and roofs with inclined ramps, a fan with an electric motor. According to the invention, the exhaust axial fan is placed at the entrance directed to the dome on horizontal brackets, the vertical fence around the entire perimeter is surrounded by a vertical wind shield forming a cavity, with gaps between it and the wind barrier equal to Δ₁, between the lower edge of the wind shield and the upper surface of the dome equal to Δ₂, the cavity between the fence and the inner surface of the wind shield is divided by vertical partitions, forming for each ventilation opening a separate compartment, the vertical wind shield is covered from above along the perimeter by an inclined visor covering the part of the ramp and the top edge of the shield at an angle α equal to the angle of inclination of the ramp and the gap between the upper edge of the shield and the bottom surface of the visor equal to Δ.

EFFECT: invention can be used for natural and artificial ventilation of various buildings, for example, religious buildings.

1 cl, 4 dwg