WIND VENTILATION DEVICE Russian patent published in 2013 - IPC F03D3/00 

FIELD: power industry.

SUBSTANCE: wind ventilation device (WVD) containing an impeller, fixed guide vanes that are made in the form of a diffuser changing over to a cylindrical shell, which is installed on external supports, and moving guide vanes, and the impeller and the moving guide vanes are made as an integral part in the form of vanes located on outer surface of a hollow flattened cone equipped with upper and lower diaphragms with ventilating openings and the axis fixed in a cross piece and a base, on which the impeller is installed on bearings; a shoulder is fixed on the base, and lower diaphragm of the impeller is provided with vanes.

EFFECT: increasing the efficiency of plenum and exhaust ventilation systems of different buildings, and when an electric generator is provided, using as an electric power source.

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