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Vertical shaft windmill

Patent ·
OSTI ID:5352074
;

A vertical shaft has several equally spaced blades mounted thereon. Each blade consists of an inboard section and an outboard section skew hinged to the inboard section. The inboard sections automatically adjust their positions with respect to the fixed inboard sections with changes in velocity of the wind. This windmill design automatically governs the maximum rotational speed of shaft.

Assignee:
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
Patent Number(s):
US 4415311
OSTI ID:
5352074
Country of Publication:
United States
Language:
English

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Related Subjects

17 WIND ENERGY
170602* -- Wind Energy Engineering-- Turbine Design & Operation
CONTROL EQUIPMENT
DESIGN
ENERGY SOURCES
EQUIPMENT
MACHINERY
MOTION
POWER
RENEWABLE ENERGY SOURCES
ROTATION
SPEED REGULATORS
TURBINE BLADES
TURBINES
TURBOMACHINERY
VERTICAL AXIS TURBINES
WIND POWER
WIND TURBINES