Varying cross-sectional area guide blade
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United States of America Patent
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Jun 11, 2013
Grant Date -
Mar 31, 2011
app pub date -
Sep 23, 2010
filing date -
Mar 28, 2008
priority date (Note) -
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Abstract
A guide blade for a gas turbine includes an inner and an outer platform, an airfoil extending in a radial direction between the inner and the outer platforms and having a height in the radial direction, and at least one cooling channel disposed in an interior of the airfoil and configured to receive a cooling medium flowing through the at least one cooling channel configured to cool the guide blade, wherein a cross-sectional area of a blade material of the airfoil varies over the height.
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