Wind turbine

Details Wind turbine Wind turbine

1981-04-23

1982-12-07

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Cupped reaction surface normal to rotation plane

Torque converters

416DIG2, F03D 306

Patent

active

043624707

ABSTRACT:
A wind turbine has a shaft rotatable about an axis, and a plurality of blades mounted on the shaft and arranged to be rotated by wind and thereby rotate the shaft, wherein each of the blades has an outer portion which has an outer edge formed at the outer end of a radius with a center at the axis of the shaft and extends rearwardly from the outer edge over a circumference described from the center, and each of the blades has an inner edge which is rearwardly offset relative to the outer edge in a direction which is normal to the radius.

REFERENCES:
patent: 2252788 (1941-08-01), Sparr
patent: 4005947 (1977-02-01), Norton et al.
patent: 4177009 (1979-12-01), Baum et al.

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