| 摘要 |
FIELD: wind-power engineering. SUBSTANCE: windmill that can be used for power generation or for mechanical work has frame with shaft mounted in bearings and running blades joint to shaft for rotation along with the latter; novelty is that running blades of are made in the form of variable-thickness and variable-length plates spirally bent in vertical plane and arched in horizontal plane. EFFECT: enhanced efficiency of wind energy utilization. 4 cl, 5 dwg
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