VERTICAL ROTOR Russian patent published in 2013 - IPC F03D3/06 

FIELD: power engineering.

SUBSTANCE: rotor comprises a vertical shaft, a hub and blades made as flattened pipes of open profile. One group of pipes is arranged as fixed relative to the shaft, and the second group of pipes is installed in a rotary manner as movable relative to longitudinal axes of blades and is additionally equipped with curtains that form valves for air passage and are installed on outer slopes as capable of closing gaps between groups of blade pipes.

EFFECT: increased reliability with simplicity of design and wide spread of polymer open profiles.

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