System and method for damping combustor nozzle vibrations
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United States of America Patent
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May 21, 2013
Grant Date -
Mar 14, 2013
app pub date -
Sep 9, 2011
filing date -
Sep 9, 2011
priority date (Note) -
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Abstract
A system for damping combustor nozzle vibrations includes an end cover and a combustion chamber downstream from the end cover. First and second sets of nozzles extend axially between the end cover and the combustion chamber. The second set of nozzles is adjacent to the first set of nozzles. The system includes means for damping vibrations between the nozzles with a gap between the means for damping vibrations. A method for damping combustor nozzle vibrations includes flowing a working fluid through first and second sets of nozzles, wherein the first set of nozzles includes a damping member attached to and circumferentially surrounding at least a portion of the first set of nozzles, and contacting at least one nozzle in the second set of nozzles with the damping member on at least one nozzle in the first set of nozzles.
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