Hydroelectric power device
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United States of America Patent
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Jul 2, 2013
Grant Date -
Apr 8, 2010
app pub date -
Apr 4, 2008
filing date -
Apr 6, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A hydroelectric power device equipped with a casing member that has a channel that passes through from an opening on the water entry side towards an opening on the water discharge side, a rotor having a plurality of blades that are integrally fixed respective to the rotating shaft and are disposed inside the channel of the casing member, and a tapered portion, that is provided on the opening on the water entry side of the casing, and that is formed such that the cross-sectional area of the tapered portion is gradually decreased towards the downstream side.
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