| 摘要 |
<p>Tubular spark ignition nozzle comprising an internal tube (1), an external tube (2) and an insulating member (5) mounted between the two, the front ends of the tubes (1, 2) projecting towards the outside beyond the front end of the insulating member, in the axial or flow direction of the gases of the nozzle, an annular passage channel (13) being formed between the internal (1) and external (2) tubes at the front of the insulating member in order to communicate with the axial gas passage channels on the external periphery of said internal tube. The invention finds application in particular in nozzles for oxygen-cutting torches. <IMAGE></p> |
