| 摘要 |
<p>A burner for gas heating, comprising a feeding chamber with two sets of gas outflow openings 10 and 11, 12 each opening of one set 10 having a cross-sectional area above 3 mm<2>, and each opening of the other set 11, 12 having a cross- sectional area below 3 mm<2>, the total cross-sectional area of the relatively small gas outflow openings amounting to less than 25% of the total gas outflow area. The burner provides a stable and rectilinear flame front. <IMAGE></p> |
