Cycloidal turbine
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United States of America Patent
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N/A
Issued Date -
Feb 15, 2007
app pub date -
Aug 9, 2005
filing date -
Aug 9, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A water turbine for generating mechanical energy from a flowing fluid includes a rigid base that can be secured at a fixed position relative to the fluid flow. On the base, a substantially disk-shaped hub is rotatably mounted and at least one blade is positioned on the hub for rotation with the hub around a hub axis. Also, each blade is rotatably mounted onto the hub for rotation of the blade relative to the hub. For the turbine, each blade defines a chord line, and for each blade, a pitch angle can be defined as the instantaneous angle between the blade's chord line and the direction of fluid flow. The turbine also includes a sprocket and chain assembly to rotationally interconnect the hub to each blade. This assembly allows the pitch angle for each blade to be selectively varied during hub rotation.
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