| 摘要 |
A carburetion type burning apparatus having a carburetion chamber for evaporating liquid fuel which comprises a timer for counting time from the initiation of burning operation, an ion current detecting device for measuring an ion current (if) at the time after a predetermined time counted by said timer in which the ion current in flames is stabilized, a judging device for judging existence or non-existence of an abnormal burning state by comparing the measured ion current (if) and a predetermined threshold value of ion current which causes abnormal burning condition, and an alarming device for generating an alarm when said judging device provides judgment of abnormal condition.
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