F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
170/15
F03D 3/04 (2006.01)
Patent
CA 1118687
ABSTRACT OF THE DISCLOSURE The invention is a vertical-axle windmill (or hydromill) which rotates irrespective of wind direction. The windmill is provided with a plurality of turnable sails, which automatically pivot toward the optimum leeway, to catch favourable wind, to produce torque to nearly three quarters of each rotation, and to avoid the headwind with the least possible resistance through the remaining quarter of its rotation, thus efficiently converting wind force to mechanical power.
329569
Frayne & Company Robert
Liu Hsun-Fa
LandOfFree
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