Wind turbine

Details Wind turbine Wind turbine

1981-11-09

1983-03-22

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Responsive to gravity or working fluid force

416197A, F03D 306

Patent

active

043773729

ABSTRACT:
A wind turbine is provided which consists of novel vanes horizontally oriented about a rotating hub connected to a vertical shaft. The vanes are free to pivot about two horizontal hinges such that two vanes connected to each other open when wind force is applied, and close when there is little or no wind force such that there is a minimal amount of resistance to the travel of the vanes when the vanes are against the wind.

REFERENCES:
patent: 13268 (1855-07-01), Morgan
patent: 346797 (1886-08-01), Aylsworth
patent: 362557 (1887-05-01), Van Pelt et al.
patent: 427846 (1890-05-01), Garcia-Sanchez
patent: 665891 (1901-01-01), Fetty
patent: 797140 (1905-08-01), Miller
patent: 885141 (1908-04-01), Brown
patent: 1296082 (1919-03-01), Huber
patent: 1360221 (1920-11-01), Johnston
patent: 2441635 (1948-05-01), Iverson

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