Propeller windmill for small-sized power generator
AssigneeEducational Foundation Bunri Gakuen
InventorAkira Obata
Life of this patent
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Abstract
Provided is a small-sized propeller windmill which can efficiently generate power even when a wing speed is low, has no possibility that the windmill is broken even when a strong wind blows, can stably ensure a weathercock direction of a base blade, and can suppress an environmental burden. In such a propeller windmill, the blade having a corrugated wing shape is supported in a cantilever manner by way of an elastic body, and the blade and the elastic body are made of paper or plastic. Further, to stably ensure the weathercock direction of the base blade, a weathercock stabilizing mechanism is arranged behind the base blade.
Claims9
A propeller windmill for a small-sized power generator, comprising:
- a lateral support strut rotatably connected to a vertical support strut, a power generator mounted on the lateral support strut;
- blades formed of a thin-plate-like sheet, the blades being mounted on a rotary input shaft of the power generator in symmetry with respect to a rotational axis by way of a hub;
- and wherein the blades have a corrugated wing shape, and the blades are exchangeable with blades of a different pitch angle or a different length measured between a proximal end and a distal end of the blades.
Dependencies are inferred from the claim text.