| 摘要 |
PROBLEM TO BE SOLVED: To provide a combustion device of high heat exchanging efficiency with good balance in the amount of combustion gases flowing in each of passages. SOLUTION: The reservoir type combustion device 1 comprises a reservoir part 6 for reserving the hot water. The reservoir part 6 is communicated to a combustion spatial part 5, and comprises combustion gas passages 11, 12 where the combustion gas generated by the combustion of a fuel is passed through. The combustion gas passage 11 has an opening area larger than that of the combustion gas passage 12, and has small passage resistance. The combustion gas passage 11 is mounted on an area A assumed to be a combustion part 2 side with respect to a virtual line C passing through a center of the reservoir part 6, and the combustion gas passage 12 is mounted in an area B assumed to be a position separated from the combustion part 2. COPYRIGHT: (C)2004,JPO
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