Vane platform trailing edge cooling

The compressor discharge air that normally leaks from the high pressure compressor hub and a portion of the compressor discharge air that is utilized for component cooling, is re-routed to by-pass the engine's TOBI to flow into a manifold defined by the stator support structure and a foot of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Soechting, Friedrich, Bessette, Alan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The compressor discharge air that normally leaks from the high pressure compressor hub and a portion of the compressor discharge air that is utilized for component cooling, is re-routed to by-pass the engine's TOBI to flow into a manifold defined by the stator support structure and a foot of the first turbine vane to the inner diameter platform of the first turbine vane of the high pressure turbine section to cool the aft end thereof before being discharged into the engine's main gaseous stream.