Passive Governor for Windpower Applications
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United States of America Patent
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N/A
Issued Date -
Aug 22, 2013
app pub date -
Feb 16, 2012
filing date -
Feb 16, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wind turbine with a passive pitch control system is disclosed. The wind turbine comprises a tower with a nacelle mounted to the tower. A hub is rotatably mounted to the nacelle. The hub has a plurality of blades extending therefrom with each blade rotatable around a longitudinal axis of each blade. A pitch control system is operatively associated with each blade. The pitch control system controls the pitch of each blade around the blade's longitudinal axis. In a preferred embodiment, the pitch control system comprises a flyweight governor and a preloaded spring biased against each other.
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