Compact blade for runner of Francis turbine and method for configuring runner

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United States of America Patent

PATENT NO 9605647
APP PUB NO 20140294590A1
SERIAL NO

14353670

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Abstract

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A blade for a runner of a Francis turbine having a throat diameter (Dth), the blade including: a maximum thickness of no less than 0.03 Dth and a leading edge having a maximum lean angle of no less than 45 degrees, wherein the lean angle is defined by a vertical line and the leading edge.

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Patent Owner(s)

  • ANDRITZ HYDRO LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Marier, Sylvain Boisbriand, CA 1 4
Theroux, Eric Les Cedres, CA 2 7

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