| 摘要 |
PROBLEM TO BE SOLVED: To re-circulate return fuel to a fuel tank after sufficient cooling without any modification of the fuel tank. SOLUTION: A diesel engine 6 is provided on a front part of the vehicle body 1 and the fuel tank 11 is provided on a rear part. Lines 23a, 35c, 41 provided in a lower side of a floor panel of the vehicle body 1 of a fuel return line extending out of a common rail 21 of the diesel engine 6 and communicating to the fuel tank 11 are aligned with going back-and-forth a plurality of times in a longitudinal direction of the vehicle body 1. Since the fuel return line goes back-and-forth a plurality of times in a lower side of the floor panel, return fuel flowing in the fuel return line can be efficiently cooled by air flow during travel. COPYRIGHT: (C)2008,JPO&INPIT
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