FUEL EVAPORATION SUPPRESSING DEVICE AND FUEL TEMPERATURE CONTROL METHOD

摘要

PURPOSE: To suppress evaporation of fuel accompanied with temperature increase of fuel inside a fuel tank. CONSTITUTION: A fuel temperature control means 12 is arranged inside a fuel circulation passage, while a fuel pressure control means 13 is arranged on the midway of a fuel pipe 12 and a deliver pipe 14. Fuel of constant pressure is injected inside an engine 15 from a fuel injection means 16 through the delivery pipe 14. Fuel of a constant fuel or more is returned to a fuel tank 10 from a return pipe 17. The returned fuel is delivered at the position away from a fuel suction port inside the fuel tank.