| 摘要 |
PROBLEM TO BE SOLVED: To improve heat transfer efficiency between a combustion gas and a cooking container. SOLUTION: Trivet claws 22 have the spiral shape when viewed from above, and a combustion gas passage of a burner 14 is divided into a plurality of combustion gas passages surrounded by a top face of a trivet ring 21, the trivet claws 22 and a bottom surface of a cooking container P, and spirally sectioned, to discharge the combustion gas to an outer side while colliding with a wall surface of the trivet claws 22. Further the trivet claw 22 is disposed so that a straight line connecting a center of the burner and an inner tip of the trivet claw 22 intersects with the adjacent trivet claw 22 at a part within 70 mm from a center of the burner, to cope with a small pan. COPYRIGHT: (C)2009,JPO&INPIT
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