SOLAR EXHAUST DEVICE OF NATURAL VENTILATION SYSTEM Russian patent published in 2009 - IPC F24J2/42 F24F7/04 

FIELD: power engineering.

SUBSTANCE: solar exhaust device of natural ventilation system consists of air duct made of heat-insulating walls, screen with light-absorbing layer; air duct is made, in its center part, from transparent material in the form of "ball inside ball", space between ball walls is filled with heat storage liquid, and screen is made in the form of semisphere inside which there installed is external ball, and external layer of screen is made from heat-insulating material; at that the hood made in the form of transparent lens is installed above upper cut of air duct.

EFFECT: invention allows improving effective ventilation owing to full solar radiation energy use.

1 dwg