Ship lock electrical energy generation
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United States of America Patent
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Nov 29, 2005
Grant Date -
Jun 10, 2004
app pub date -
Mar 5, 2003
filing date -
Dec 5, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A ship lock utilizes a hydraulic turbine and/or pump-turbine to regulate the discharge flow rates through the ship lock to an approximate constant value during the majority of the water transfer cycle resulting in a diminishing of total energy of head losses and to enable the recuperation of the unused hydraulic energy for generation as electricity. The difference in water levels on opposite sides of the ship lock constitutes potential hydraulic energy. By regulating the discharge, the total head losses over a given period of time diminish very significantly, thus giving an opportunity for optimization of hydraulic energy recuperation.
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