| 摘要 |
PROBLEM TO BE SOLVED: To realize a cooking stove with improved heat efficiency and favorable maintainability. SOLUTION: A secondary air straightening body 10 provided with a straightening part 14 inflected from a lower slanting part 11 to an upper slanting part 12 is provided from an outer circumference toward an inner circumferential direction above an annular burner 6 provided with a row of flame holes 8 facing a center. By providing a composition such that a gap between an opening end 18 of a top plate 1, and an inner side of an inner circumference part 15 of the secondary air straightening body 10 is screened by a frame body 5, flame 25 is concentrated on a center of the object to be heated by a secondary air flow 26 of an upper part, high heat efficiency can be secured, and dropping of broth to the flame holes 8 can be prevented. COPYRIGHT: (C)2006,JPO&NCIPI
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