Vertical axis type wind power turbine

Details Vertical axis type wind power turbine Vertical axis type wind power turbine

1978-02-17

1981-08-25

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Cupped reaction surface normal to rotation plane

Torque converters

416242, 416119, F03D 306

Patent

active

042856361

ABSTRACT:
Wind power turbines are largely divided into vertical axis type wind power turbines and propeller type (horizontal axis type) wind power turbines. The present invention discloses a vertical axis type wind power turbine. The airfoil of blades in this vertical axis type wind power turbine is formed in such manner that, denoting a proper position on the airfoil chord line as a camber reversing position, a camber having a downward convex curvature is given between said position and a leading edge and a camber having an upward convex curvature is given between said position and a trailing edge so as to be a mean line and a rational thickness distribution is given to this mean line. This vertical axis type wind power turbine is formed by keeping the spanwise direction of the above mentioned blade parallel with a vertical rotary axis and fitting a plurality of blades at regular intervals at a distance to the vertical rotary axis through respective supporting arms.

REFERENCES:
patent: 1467699 (1923-09-01), Vinding et al.
patent: 1835018 (1931-12-01), Darrieus
patent: 1953444 (1934-04-01), Stalker
patent: 2023750 (1935-12-01), Strandgren
patent: 4012163 (1977-03-01), Baumgartner et al.

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