WIND ENGINE Russian patent published in 2015 - IPC F03D3/00 

FIELD: engines and pumps.

SUBSTANCE: invention can be used for construction of wind-driven power plants with a horizontal rotation axis and an incoming air flow. A wind engine includes a horizontal shaft, a multiblade wheel fixed on it and provided with internal and external shells, between which the main blades of the first power level are located. The number of the main blades of the first power level is equal to diameter of the external shall in metres, and on the inner surface of the external shell there additionally fixed between the main blades are blades of an intermediate power level, which are connected with a locking ring.

EFFECT: use of the invention allows considerably reducing diameter of the wind wheel with a view to installed capacity of the wind-driven power plant.

2 cl, 4 dwg