Wind turbine apparatus

Details Wind turbine apparatus Wind turbine apparatus

1983-07-28

1985-10-08

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Sectional, staged or nonrigid working member

416119, 416142, F03D 706

Patent

active

045457298

ABSTRACT:
Wind turbine apparatus includes a plurality of sail elements secured to a circular frame rotatable in response to wind reacting with the sail elements and a control system for the sail elements includes a weight having cables extending from the weight to the sail elements. Movement of the weight in response to wind velocity results in a change in the sail elements exposed to the wind.

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patent: 4435125 (1984-03-01), Cook
patent: 4457669 (1984-07-01), Corry

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