BLADE SPEED ADJUSTMENT DEVICE BY AUTOMATIC ADJUSTMENT OF THE BLADE ELEVATION ANGLE OF A WINDMILL GENERATOR
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United States of America Patent
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N/A
Issued Date -
Dec 17, 2015
app pub date -
Jun 11, 2014
filing date -
Jun 11, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A blade speed adjustment device by automatic adjustment of the blade elevation angle of a windmill generator and includes a casing, a first shaft extending through the casing, a slide and a passive member. The slide has at least one centrifugal unit including two links which are respectively connected to the casing and the passive member which has a rack. A bevel gear set has a second shaft which is perpendicularly engaged with the rack and located corresponding to the first shaft. The bevel gear set has a first bevel gear. The second shaft has a second bevel gear located corresponding to the first bevel gear. The centrifugal force of the block increases to move the rack, the elevation angle of the blade can be adjusted via the bevel gear set to maintain the elevation angle of the blade not to exceed the critical angle during strong wind.
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