| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel supply device sufficiently sucking up liquefied gas fuel remaining in a fuel passage outside of a fuel tank without increasing the size of a purge tank. Ž<P>SOLUTION: The fuel supply device 100 includes the fuel tank 10 storing DME fuel as the liquefied gas fuel, an injection pump 30 for supplying the DME (dimethyl ether) fuel to an engine 1, a fuel supply pump 30 circulating the DME fuel in a fuel passage connecting between the fuel tank 10 and the fuel pump 30, and the purge tank 40 capable of connecting with the fuel passage and having an inside kept at negative pressure, and the DME fuel remaining in the fuel passage is sucked up by the purge pump 40 after stop of the engine 1. The purge tank 40 includes a piston 41 sliding in the inside and can delivery the DME fuel sucked up in the purge tank 40 to the fuel tank 10 with movement of the piston 41. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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