Patent ID: 8631654

Claim:
A burner system, comprising: at least two adjacent burners that are separate from each other, each of the at least two burners comprising: at least one combustion chamber, a head end comprising at least one fuel injection means and a fuel-air premix means, and a cap having a cap side and a cap top side, wherein at least the cap top side is arranged ahead of the head end, viewed in the direction of flow, such that a respective burner plenum is formed between the cap top side and the head end, wherein the cap side is arranged at least partially around the head end, and wherein the cap side is spaced apart from the head end in a radial direction, wherein the respective burner plenum of each burner has an acoustic connection to the separate and adjacent at least one other burner's respective burner plenum, wherein the acoustic connection is a ring shaped tube connecting the burner plenums, the ring shaped tube forming an annular channel passing from one burner plenum through the next adjacent burner plenum and ending in the same burner plenum in which it began, and wherein an annular passage for compressor air is defined by the cap side and the head end.