Wind turbine system
A wind turbine system utilizes a bicycle wheel type turbine having airfoils mounted on various spoke pairs. The vertical yaw axis lies in the horizontal projection of the airfoils to offer better control of the system; for example, automatic stowage in the case of excessive wind is provided since the superstructure of the turbine provides a torque around the vertical yaw axis which moves the wheel into a stowed position. At the same time, the wheel diameter can be made larger and thus heavier since the drive connection to the generator also helps support the weight of the wheel, since it is a rim drive. Greater electrical generation is also provided since an air scoop facing into the wind allows the effective generator capacity to be increased with air velocity. Lastly, the radial rate of change of the angle of the airfoils can be closely controlled.
- Assignee:
- EDB-82-140416
- Patent Number(s):
- US 4330714
- OSTI ID:
- 5200116
- Resource Relation:
- Patent File Date: Filed date 26 Jun 1980; Other Information: PAT-APPL-163385
- Country of Publication:
- United States
- Language:
- English
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