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U.S. Department of Energy
Office of Scientific and Technical Information

Windmill with automatic feathering control and storm protection

Patent ·
OSTI ID:5516799

A windmill of the vertical axis type has a plurality of circumferentially-spaced rotatably-mounted vanes wherein means are provided for controlling the feathering of the vanes so that, upon feathering they rotate in a direction opposite to that rotation of the windmill assembly, wherein means are provided to assure that the entire assembly heads up into the wind, and wherein means are provided for disengaging of the entire vane assembly when the wind velocity reaches a predetermined value.

Assignee:
EDB-82-094246
Patent Number(s):
US 4203707
OSTI ID:
5516799
Country of Publication:
United States
Language:
English