Hydroelectric/hydrokinetic turbine and methods for making and using same
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United States of America Patent
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May 21, 2019
Grant Date -
Mar 29, 2018
app pub date -
Sep 6, 2017
filing date -
Feb 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The application relates to unidirectional hydrokinetic turbines having an improved flow acceleration system that uses asymmetrical hydrofoil shapes on some or all of the key components of the turbine. These components that may be hydrofoil shaped include, e.g., the rotor blades (34), the center hub (36), the rotor blade shroud (38), the accelerator shroud (20), annular diffuser(s) (40), the wildlife and debris excluder (10, 18) and the tail rudder (60). The fabrication method designs various components to cooperate in optimizing the extraction of energy, while other components reduce or eliminate turbulence that could negatively affect other component(s).
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