Automatically controlled wind propeller and tower shadow eliminator
Patent
·
OSTI ID:5563905
A propeller hub carries pivotally-mounted blades that are linked to a spring-loaded collar on the propeller shaft for automatic coning and feathering under predetermined high velocity movement along the propeller shaft to change the blade pitch angle during low wind velocity conditions. An airfoil support mounts a propeller shaft and turns therewith to reduce tower shadow effects. This is called a ''down-wind system'' meaning the propeller is behind the tower and causes the assembly to rotate into the wind without a tail vane.
- Assignee:
- EDB-82-094239
- Patent Number(s):
- US 4310284
- OSTI ID:
- 5563905
- Country of Publication:
- United States
- Language:
- English
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