| 摘要 |
PROBLEM TO BE SOLVED: To provide a combustion device with an exhaust flue improved to securely detect an abnormal gas without significantly enlarging the device and to provide the exhaust flue. SOLUTION: A channel 48 of the combustion gas in the exhaust flue 4 has an inverting channel part passing a part over a virtual horizontal space and leading to a vent hole 15 when the virtual horizontal space including the vent hole 15 is assumed, and an exhaust gas sensor 27 is mounted in the inverting channel. The channel 48 of the combustion gas also has a baffle plate 18. COPYRIGHT: (C)2003,JPO
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