FIELD: wind power engineering. SUBSTANCE: turbine has central vertical axle 1 with hub 4 and concave wings 2 with pivotally mounted blades , the wings are fastened to the hub. Each wing 2 has horizontal flaps 12. The middle flap is fixed and the upper and lower ones are made in the form of movable sectors mounted with overlap on the working surface of wings 2. EFFECT: improved structure. 5 dwg
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Authors
Dates
1994-03-15—Published
1991-06-03—Filed