| 摘要 |
PURPOSE:To enable to maintain stable and good combustion for a long time, by determining the distance between an auxiliary wick for spreading of flame and the wall of a combustion chamber to be smaller than that between a main wick and the wall of a combustion chamber, in a liquid fuel combustor of wick vaporizing type. CONSTITUTION:The distance A, between a main wick 8a and an innner cylinder 2, facing to the main wick 8a, is determined larger than a distance B between an auxiliary wick 8b for spreading of flame and an outer casing 3, facing to the auxiliary wick 8b for spreading of flame. When the auxiliary wick 8b is ignited, fuel vaporization on the main wick 8a is followed, and stable combustion can soon be obtained in a combustion chamber 5. Since the lower end of an auxiliary wick 8b is located above the liquid surface of fuel, and is separated from the main wick 8a by a masking shield 8c, the auxiliary wick 8b is in the state of no-fuel burning, without replenishment of fuel, so that tar material will not be produced to be accumulated on the wick 8b. When a flame is extinguished, fuel is rapidly sucked up by the auxiliary wick, so that an offensive smell, soot, or carbon monoxide will not be produced on the wicks. |
