Tip treatment bars in a gas turbine engine

This invention relates to tip treatment bars of a rotor casing for a gas turbine engine. A gas turbine engine casing includes a tip treatment ring which comprises end supports which support tip treatment bars . Each tip treatment bar is mounted at its ends within the respective end supports by dampi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Allford, Peter, Houle, Mark J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention relates to tip treatment bars of a rotor casing for a gas turbine engine. A gas turbine engine casing includes a tip treatment ring which comprises end supports which support tip treatment bars . Each tip treatment bar is mounted at its ends within the respective end supports by damping elements , which isolate the bar from the end supports . The elements damp vibrations induced in the tip treatment bars so inhibiting the initiation of high cycle fatigue cracking.