WIND ENGINE Russian patent published in 2017 - IPC F03D3/06 

FIELD: engines and pumps.

SUBSTANCE: wind engine contains a horizontal shaft, multi-bladed wind wheel, mounted thereon with inner and outer shells, between which the main blades of the first level are located. Each main blade has a stiffener in the front, and on the working surface, through each meter of the stiffness plate with an increasing angle of attack to the air flow, the outer shell of the wind wheel is additionally secured with cable stretches in amount, equal to the number of the main blades of the first level.

EFFECT: higher efficiency of the engine.

5 dwg