To provide a fuel supply system structured so that an object to exchange heat can be cooled by the gasifying latent heat when a high-pressure liquid fuel is gasified, which can supply a sufficient quantity of fuel to an energy output means.
As a gasifying means to gasify the high-pressure liquid fuel, a heat-exchanger 13 includes a first fuel gasification part 14 to gasify the liquid fuel having flowed out of a high-pressure tank 11 and a second fuel gasification part 15 to gasify a two-phase fuel in two-phase state with gas and liquid having flowed out of the first fuel gasification part 14, whereby the intra-cabin blowing air is cooled by the gasifying latent heat of the fuel which gasifies in the first fuel gasification part 14, and the fuel having gasified in the second fuel gasification part 15 is supplied to an engine EG. At this time, the second temperature T2 of a second thermo-medium to make heat exchange with the fuel in the second fuel gasification part 15 is made higher than the first temperature T1 of the second thermo-medium to make heat exchange with the fuel in the first fuel gasification part 14, to promote gasification of the fuel in the second fuel gasification part 15.
NISHIZAWA KAZUTOSHI
INOUE SATORU
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