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Vertical axis windmill

Patent ·
OSTI ID:5777576
A vertical axis windmill is described which involves a rotatable central vertical shaft having horizontal arms pivotally supporting three sails that are free to function in the wind like the main sail on a sail boat, and means for disabling the sails to allow the windmill to be stopped in a blowing wind.
Assignee:
IFI; EDB-82-039042
Patent Number(s):
US 4197055
OSTI ID:
5777576
Country of Publication:
United States
Language:
English

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Related Subjects

17 WIND ENERGY
170602* -- Wind Energy Engineering-- Turbine Design & Operation
CONVERSION
DESIGN
ENERGY CONVERSION
MACHINERY
SAILS
TURBINES
TURBOMACHINERY
VERTICAL AXIS TURBINES
WIND TURBINES