BLADE FOR SHROUDED RUNNER AND SHROUDED RUNNER COMPRISING SAID BLADE
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United States of America Patent
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Issued Date -
Aug 10, 2017
app pub date -
Feb 3, 2017
filing date -
Feb 5, 2016
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Abstract
Embodiments of the present invention are related to a shrouded Kaplan and shrouded propeller-type hydraulic turbine. More in particular, the embodiments relate to a blade for such shrouded turbines. An object of the embodiments of the present invention is to add a winglet on the pressure side of a blade to eliminate a large gap between the blade and the shroud, in order to improve performances, decrease marginal cavitation, and improve fish friendliness.
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