Combustor assembly for a turbomachine

A turbomachine comprising:

• a compressor portion including a compressor discharge;
• a turbine portion operatively connected to the compressor portion;
• and
• a combustor assembly fluidly connected to the compressor portion and the turbine portion, 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 fluidly connected between the compressor discharge and the combustion chamber, and a second annular fluid passage fluidly connected to the compressor discharge;
• 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 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.