Vertical axis wind turbine
Patent
·
OSTI ID:6479508
Wind turbines are largely divided into vertical axis wind turbines and propeller (Horizontal axis) wind turbines. The present invention discloses a vertical axis high speed wind turbine provided with a starting and braking control system. This vertical axis wind turbine is formed by having blades of a proper airfoil fitted to respective supporting arms provided radially from a vertical rotary axis by keeping the blade span-wise direction in parallel with the axis and being provided with a low speed control windmill in which the radial position of each operating piece varies with a centrifugal force produced by the rotation of the vertical rotary axis.
- Assignee:
- Gakko Hojin Tokai Univ (Japan)
- Patent Number(s):
- US 4247252
- OSTI ID:
- 6479508
- Country of Publication:
- United States
- Language:
- English
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