Patent ID: 8281596
Filing Date: 2012-10-09
Classification: F23D,F23R

Abstract:
1. A combustor assembly for a turbomachine, the combustor assembly comprising: a combustor housing having a first end; a combustor body arranged within the combustor housing, the combustor body defining a combustor liner having a first end portion that extends to a second end portion through a combustion chamber; a flow sleeve extending about the combustion chamber, the flow sleeve being arranged between the combustor housing and the combustor liner, the flow sleeve defining a first annular fluid passage and a second annular fluid passage; a quaternary cap mounted to the first end of the combustor housing, the quaternary cap including a first fluid plenum fluidly connected to the first annular fluid passage, a second fluid plenum fluidly connected to the second annular fluid passage, and a plurality of vanes fluidly connected to each of the first and second fluid plenums, each of the plurality of vanes including a body portion having a first fluid channel coupled to the first fluid plenum, and a second fluid channel coupled to the second fluid plenum, the first fluid channel extending completely through the body portion and the second fluid channel extending partially into the body portion; and an end cover and casing assembly operatively connected to the combustor body through the quaternary cap, the end cover assembly including a plurality of fuel nozzles fluidly connected to the second annular fluid passage, the plurality of fuel nozzles extending toward the combustion chamber.