Windmill tower shadow eliminator

Details Windmill tower shadow eliminator Windmill tower shadow eliminator

1981-08-24

1984-04-17

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With means positioning fluid current driven impeller...

Offset relative to flow direction

F03D 1104

Patent

active

044431546

ABSTRACT:
In a wind driven propeller system an airfoil support for the shaft of a propeller having an even number of blades extends above and below the shaft a distance at least equal to the blade length and pivots with the propeller into the wind for substantially eliminating tower shadow effects on the propeller.

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