RING SEGMENT COOLING STRUCTURE AND GAS TURBINE HAVING THE SAME
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United States of America Patent
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Mar 20, 2015
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Mar 27, 2014
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Abstract
A ring segment cooling structure including: a cavity surrounded by main bodies of segment bodies; and cooling passages arranged inside the main body of the segment body in a circumferential direction, and having one ends communicating with the cavity and the other ends open at lateral ends of the segment body on the front side and the rear side in a rotation direction, wherein the cooling passages include first cooling passages formed in a first region of the segment body located on the front side in the rotation direction and through which cooling air is discharged from the rear side toward the front side in the rotation direction, and second cooling passages formed in a second region of the segment body located on the rear side in the rotation direction and through which the cooling air is discharged from the front side toward the rear side in the rotation direction.
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