Dust hole dome blade

A hollow turbine airfoil (12) includes a tip cap (44) bounding an internal cooling circuit (32) between opposite pressure and suction sidewalls (20,22). The tip cap (44) includes an internal dome (50) surrounding a dust hole (48), and the dome (50) is inclined inwardly toward the airfoil root (24) b...

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Bibliographische Detailangaben
Hauptverfasser: WADIA, ASPI RUSTOM, PANG, TINGFAN, LEE, CHING-PANG, SCHILLING, JAN CHRISTOPHER, NORTON, BRIAN ALAN
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A hollow turbine airfoil (12) includes a tip cap (44) bounding an internal cooling circuit (32) between opposite pressure and suction sidewalls (20,22). The tip cap (44) includes an internal dome (50) surrounding a dust hole (48), and the dome (50) is inclined inwardly toward the airfoil root (24) both transversely between the opposite sidewalls (20,22) and chordally between opposite leading and trailing edges (28,30) of the airfoil.