Fluid interacting device
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United States of America Patent
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Aug 25, 2015
Grant Date -
Mar 31, 2011
app pub date -
Aug 24, 2010
filing date -
Aug 25, 2009
priority date (Note) -
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Abstract
A rotary turbine including at least one blade is disclosed. The rotary turbine includes a blade arrangement in which the orientation of the at least one blade movably changes relative to the fluid flow and also changes relative to an orbital path taken by the rotary turbine thereby increasing flow area usage and minimizing friction. Certain embodiments of the present disclosure include a rotary turbine with blade orientations that are linearly coupled to the orbital orientation of the turbine. Other embodiments of the present disclosure include a rotary turbine with blade orientations that are non-linearly coupled to the orbital orientation of the turbine.
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