F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
170/16
F03D 1/00 (2006.01)
Patent
CA 1252733
TITLE A WINDMILL DEVICE INVENTOR MICHAEL GEORGE ACTON BOND ABSTRACT OF DISCLOSURE A windmill device is provided having a windmill tail pivotally attached to a rear end of the fan or rotor assembly, to swing upwardly from alignment therewith, a laterally extending arm attached to the fan assembly to pivot therewith, and a depending flap vane hingedly attached at the top to a portion of the arm outside the wake thereof and urged to tilt forwardly in a downward direction towards the wind. The flap vane gradually swings the fan assembly away from pointing into the wind as the wind speed increases until a predetermined wind speed is reached when the fan assembly is held out of the wind with the arm extending parallel with the tail. A rear vane may be provided attached to the flap vane and forming an inverted V-shape therewith. An intermediate vane may also be provided extending downwardly between the flap vane and the rear vane.
552979
Bond Michael G.a.
Lemon F.w.
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