| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel separation device inhibiting unbalance of air fuel ratio by reducing fuel concentration in gas containing fuel component evaporated and separated from lubricating oil. Ž<P>SOLUTION: The device 20 includes a blow-by gas circulation means (first gas passage 23) circulating blow-by gas formed in an internal combustion engine (engine 1) to an intake system, and a fuel separation means (fuel separator 30) provided in a blow-by gas passage constructing the blow-by gas circulation means and liquefying and separating fuel component contained in the gas flowing in the blow-by gas passage by cooling. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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