TURBINE BLADE WITH AIRFOIL TIP HAVING CUTTING TIPS
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United States of America Patent
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Issued Date -
Mar 19, 2015
app pub date -
Sep 19, 2013
filing date -
Sep 19, 2013
priority date (Note) -
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Abstract
A turbine blade having a squealer tip at a radially outer end of the turbine blade with a plurality of abradable coating cutting tips extending radially therefrom toward a ring segment is disclosed. During operation, the abradable coating cutting tips may cut into an abradable coating on the ring segments of the turbine engine that are positioned radially outward from the turbine blade. The plurality of abradable coating cutting tips may include one or more cutting arrises extending from the squealer tip to an outermost tip of the at least one of the abradable coating cutting tips.
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