MULTIFLAME TORCH Russian patent published in 2001 - IPC

FIELD: two-wire torches for combustion of gaseous fuel, applicable for heating of large-sized articles and in packing machines for film heat shrinkage. SUBSTANCE: the torch has a mixer and a tubular probe with at least three rows of holes, at least one of the middle rows is formed by fire holes, and the side rows - by ignition holes, the stabilization strips are so position above the ignition holes that their flame is directed to the strips, and the flame of the fire holes-between the strips. EFFECT: enhanced flame stability, uniform flame temperature in the probe length at a wide range of power control. 2 cl, 3 dwg