Systems and Methods for Hydromotive Machines
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Jul 21, 2015
filing date -
May 16, 2011
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Abstract
Hydromotive machines, e.g. hydroturbines and pumps with integral low head loss shut off valves are described. Arrays of such hydroturbines facilitate power generation within the limited space available at pre-existing gated water control structures. An adjustable pitch hydroturbine runner particularly suited for use with the integral loss shut-off valve provides higher power output and higher specific speed than prior art hydroturbines at low head hydroelectric projects. Arrays of pumps in accordance with the present invention provide high discharge capacity in a limited space, with each individual pump within the array having an integral low head loss valve for shut off and backflow prevention.
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