| 摘要 |
The present invention relates to domestic gas appliances and in particular grate gas burners. The gas burner contains a mixing chamber (4) which is formed by a removable cover (3) and a burner head (2) with an upper and a lower row of flame openings. According to the invention, there is provided in the interspace between the cover and the burner head, over the entire length of the circular circumference, an annular cavity (9) which is connected to the inlets (15) of the flame openings of the lower row and to the mixing chamber (4) via the flame openings of the upper row, the inlets (15) of the flame openings of the lower row lying at a greater distance in the radial direction from the centre of the mixing chamber than the inlets (16) of the flame openings of the upper row. <IMAGE>
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