Means to regulate water velocity through a hydro electric turbine
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United States of America Patent
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-
Aug 21, 2007
Grant Date -
Dec 1, 2005
app pub date -
May 25, 2004
filing date -
May 25, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A hydro electric turbine having a flexible, collapsible front shroud, the upstream open end of the front shroud being controlled by a draw line passing through purse rings, whereby the upstream end can be closed by drawing on the draw line, thereby stopping water flow through the turbine. Decreased drag allows the turbine to rise to the surface. Opening the upstream end so that water flows into the turbine increases drag to lower the turbine into the water and causes rotation of the turbine blades.
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