Vertical axis turbine
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United States of America Patent
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Apr 18, 2023
Grant Date -
Dec 31, 2020
app pub date -
Feb 28, 2019
filing date -
Feb 28, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A vertical axis turbine includes a rotatable hub assembly that is configured to be connected to an energy sink and rotatable about an axis of rotation. At least two blades are mounted on the hub assembly, each blade including a leading edge and a trailing edge, the blades being oriented so that the respective leading edges face in a common rotational direction. Each blade further includes a straight section that is substantially parallel to the axis of rotation and two helical sections, the straight section being interposed between the helical sections, and the helical sections extending at least partially around the axis of rotation.
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