Flow directing member for gas turbine engine
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United States of America Patent
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Oct 21, 2014
Grant Date -
Jan 17, 2013
app pub date -
Aug 18, 2011
filing date -
Jul 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
In a gas turbine engine, a flow directing member includes a platform supported on a rotor, a radially facing endwall, at least one axial surface extending radially inwardly from a junction with the endwall, an airfoil extending radially outwardly from the endwall, and a fluid flow directing feature. The fluid flow directing feature includes a groove extending axially into the axial surface and has radially inner and outer groove ends. The outer groove end defines an axially extending notch in the junction between the axial surface and the endwall and forms an opening in the endwall for directing a cooling fluid to the endwall. The groove further includes a first groove wall extending from the inner groove end to the outer groove end, and a second groove wall opposed from the first groove wall and extending from the inner groove end to the outer groove end.
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