Wind-driven electricity generation device with Savonius rotor

This invention describes a wind turbine that generates electricity using a unique vertical rotor. Instead of one large blade, the rotor is made from several smaller, curved blade sections stacked on a central pole. When wind catches these sections, they spin the pole, which then powers an electricity generator. The claims specify each blade section has at least two blades connected to a sleeve by struts, which are offset from each other.

Why it matters: Since 2007, advanced manufacturing techniques like 3D printing have made producing custom, helically curved blade segments and their precise strut attachments significantly more accessible and cost-effective, lowering the barrier to building this modular rotor.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateCustom helically curved blade segments, specific struts.

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