Combustor liner cooling assembly
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United States of America Patent
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Dec 29, 2015
Grant Date -
Feb 20, 2014
app pub date -
Aug 14, 2012
filing date -
Aug 14, 2012
priority date (Note) -
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Abstract
A combustor liner defining a combustor chamber is included. Also included is a cover sleeve spaced radially outwardly from and at least partially surrounding an aft end of the combustor liner, the cover sleeve and the combustor liner defining a cooling annulus. Further included is at least one aperture extending through the cover sleeve for routing a cooling flow to the cooling annulus. Yet further included is a perforated sleeve disposed between the cover sleeve and the combustor liner, wherein the perforated sleeve comprises a plurality of holes for impinging the cooling flow toward the combustor liner.
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