F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 3/00 (2006.01) F03D 11/00 (2006.01)
Patent
CA 2197920
A vertical axis wind mill with variable pitch flat blades and booster curtains that are all moved by electrical motors which are controlled by a weather vane.
Mollinger Sid S.
Na
LandOfFree
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