TURBINE STATOR VANE

A turbine stator vane according to at least one embodiment of the present disclosure comprises an airfoil, an inner shroud provided on the inner-peripheral side of the airfoil, and an outer shroud provided on the outer-peripheral side of the airfoil. The inner shroud has a first recess formed in the...

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Bibliographische Detailangaben
Hauptverfasser:	MORIMOTO, Kazuki, WAKAZONO, Susumu, HATTA, Masayoshi
Format:	Patent
Sprache:	eng
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 turbine stator vane according to at least one embodiment of the present disclosure comprises an airfoil, an inner shroud provided on the inner-peripheral side of the airfoil, and an outer shroud provided on the outer-peripheral side of the airfoil. The inner shroud has a first recess formed in the surface on the side opposite the airfoil across a gas path surface of the inner shroud. The outer shroud has a second recess formed in the surface on the side opposite the airfoil across a gas path surface of the outer shroud, and at least one outer passage that communicates with the second recess and does not communicate with the space inside the airfoil. The number of outer passages is greater than the number of inner passages that communicate with the first recess in the inner shroud and do not communicate with the space inside the airfoil.