| 摘要 |
PROBLEM TO BE SOLVED: To provide a fractional fuel distillation device for an internal-combustion engine capable of stabilizing the properties of a gaseous phase fuel and enhancing the yield of the gaseous phase fuel. SOLUTION: The fractional fuel distillation device of the internal-combustion engine is equipped with a fractional distillation passage 17 connected with the fuel supply line 11 of the engine 1 and leading to a branch point 17b via a fractional distillation division 17a making fractional distillation of the fuel through utilization of the exhaust heat of the engine, a liquid phase passage 20 branching to below at the branch point, and a gaseous phase passage 19 branched from the branch point upstream of the liquid phase passage, wherein the branch point is positioned where the fuel temperature in fractional distillation becomes highest. COPYRIGHT: (C)2005,JPO&NCIPI
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