STATOR WITH SUPPORT STRUCTURE FEATURE FOR TUNED AIRFOIL

A vane stage assembly includes an airfoil (68) including a leading edge (72) and a trailing edge (70). An inner shroud (64) extends from the leading edge (72) to the trailing edge (70) for supporting the airfoil (68). The shroud (64) includes a forward portion (80) including an axial width (88) and...

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Bibliographische Detailangaben
Hauptverfasser:	WARNER, Charles H, EDWARDS, William R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A vane stage assembly includes an airfoil (68) including a leading edge (72) and a trailing edge (70). An inner shroud (64) extends from the leading edge (72) to the trailing edge (70) for supporting the airfoil (68). The shroud (64) includes a forward portion (80) including an axial width (88) and a forward thickness (86) extending in a radial direction. A ratio of the forward radial thickness (86) divided by the forward axial width (88) is between 0.64 and 1.11 for defining a natural frequency of the airfoil (68).