| 摘要 |
PROBLEM TO BE SOLVED: To enhance the heating efficiency of a cooking stove having a plurality of main flame holes and auxiliary flame holes without generating lift of flame. SOLUTION: Upper edge of the outlet F0 of an auxiliary flame hole F is set lower than the upper edge of the outlet E0 of a main flame hole and a protrusion T is provided at the outlet F0 of the auxiliary flame hole F. Mixture gas fed from a mixture gas chamber to the outlet F0 of the auxiliary flame hole F is separated to the opposite sides of the protrusion T and the right side flow is guided to a main flame hole Er adjacent to the right side while the left side flow is guided to a main flame hole El adjacent to the left side.
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