ROTARY WINDMILL Russian patent published in 2020 - IPC F03D3/06 F03D7/06 

FIELD: machine building.

SUBSTANCE: invention relates to wind-driven equipment, particularly, to wind turbines with axis of rotation perpendicular to wind direction. Carousel windmill contains vertical shaft 1 and radial blades arranged in several tiers and fixed to drum made in the form of cylindrical spatial frame. Frame consists of upper and lower bases 3 and 4 and intermediate sections 5 interconnected by vertical posts 6. Blades have curved shapes. On posts 6 hinges 14 are fixed, which are the place of attachment of blades to drum. Base 4 consists of radially directed and uniformly distributed along circumference wires, inner ends of which are fixed to hub of bearing 8, outer ends - to rim of drum. Inner ends of the wires of base 3 are rigidly fixed to shaft 1, which is installed in fixed frame 11 movably by means of bearings 12. In base 4 bearing 12 is installed between the hub and frame 11, and in base 3 - between frame 11 and shaft 1. Flexible shells are fixed between spokes of each section.

EFFECT: invention is aimed at increasing power and efficiency, as well as reducing coefficient of friction in bearings and increasing uniformity of rotation of vertical shaft.

1 cl, 7 dwg