Blade for a water turbine
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United States of America Patent
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Aug 12, 2014
Grant Date -
Jul 21, 2011
app pub date -
Apr 14, 2009
filing date -
Apr 14, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A turbine blade is described which includes a blade root; a blade tip; a leading edge extending from the blade root to the blade tip; a trailing edge extending from the blade root to the blade tip; a blade root chord defined as a straight line between the leading edge and the trailing edge at the blade root; a blade tip chord defined as a straight line between the leading edge and the trailing edge at the blade tip; wherein the blade tip chord is angularly displaced from the blade root chord by a twist angle of between 50° and 90°.
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