Patent ID: 6986659
Filing Date: 2006-01-17
Classification: F23D

Abstract:
1. A gas burner comprising, in combination: a nozzle; an igniter installed in the nozzle; a shell in the form of a tube; and a laminate catalytic device mounted on the nozzle, with the laminate catalytic device including first and second catalytic nets and a separator in the form of a ring having an inner diameter, with the catalytic nets having a size greater than the inner diameters of the separator, with the separator sandwiched between and separating the first and second catalytic nets, with the shell receiving the laminate catalytic device and the nozzle, with the second catalytic net being sandwiched between the shell and the separator and the first catalytic net being sandwiched between the nozzle and the separator whereby the shell retains the laminate catalytic device on the nozzle.