摘要 |
1,117,749. Gas burners. JOH VAILLANT K.G. 22 Nov., 1965 [18 Dec., 1964; 31 Dec., 1964], No. 49442/65. Heading F4T. The outlet of a mixing chamber 5 is closed by a strip insert 6 having transverse discharge slots 7 and having its ends, or its longitudinal edges, Figs. 5, 6, not shown, bent into U-shape to form pressure reducing chambers, 9, 19 beneath the end discharge slots 7<SP>1</SP>, or beneath the ends of all the discharge slots (Figs. 5, 6). Part of the mixture enters the pressure reducing chambers 9 through holes (10) in the ends of the strip 6 or through a gap (11) between the end of the insert and the main part thereof and the mixture discharges through the end slots 7<SP>1</SP> at reduced rate of flow to provide adhering flames which continuously ignite the flames at adjacent slots. |