| 摘要 |
<p>A radiant (1), for self-aerating burner, having a multiplicity of ports (12) passing gas/air mixture for combustion at the surface of the radiant, wherein the ports are provided in discrete areas (11) that alternate with raised non-ported bars (10) with angled flanks which in use receive impingement of flame, giving visible radiation from the flanks but not the tops of the bars.</p> |
