Patent ID: 6916172

Claim:
a burner apparatus comprising: a housing defining a chamber and having an air inlet; a peripherally extending baffle disposed in said housing, a first peripherally extending flow passage being formed between said housing and said baffle, said first flow passage being in open communication with said air inlet; a peripherally extending combustion liner disposed inwardly of said baffle, a second peripherally extending flow passage being formed between said liner and said baffle, said second flow passage being in open communication with said first passage; a reversing diverter disposed in said chamber, said diverter being positioned to direct air flowing from said first flow passage into said second flow passage; a burner assembly mounting plate disposed in said liner, said burner mounting plate having a first side and a second side, said mounting plate and said liner at least partially defining a burner barrel on the first side of said mounting plate there being at least one liner perforation through said liner providing open communication between said second flow passage and said burner barrel; at least one burner assembly mounted on said burner mounting plate; and a plenum on the second side of said mounting plate, and being in open communication with said second flow passage.