Blade pitch controlling apparatus and application thereof
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United States of America Patent
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Feb 12, 2013
Grant Date -
May 27, 2010
app pub date -
Oct 7, 2009
filing date -
Nov 25, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blade pitch controlling apparatus and an application thereof are described. The blade pitch controlling apparatus includes a centrifugal device and a blade pitch variable device, and the blade pitch variable device is arranged under the centrifugal device. The blade pitch variable device has a downward stroke that is variable by the centrifugal device according to a centrifugal force induced thereon so as to drive the blade pitch variable device to change the setting angle of the blades of the wind power generator.
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