| 摘要 |
<p>The invention relates to a premix burner comprising a tubular burner body and an impermeable end cap. The impermeable end cap, which closes the tubular burner body, is welded to said tubular burner body The impermeable end cap is, according to the present invention is at least partially curved, each point of the impermeable end cap surface having a bending radius R and a material thickness T, said each R being larger than 3xT.</p> |
