| 摘要 |
PROBLEM TO BE SOLVED: To prevent foreign matter from entering when fuel is sucked from a vapor exhaust port into a fuel pump due to the occurrence of clogging of a fuel filter. SOLUTION: This fuel supply device 10 comprises a fuel pump 14 for sucking fuel in a fuel tank and discharging fuel after pressurizing it, a fuel filter 16 provided to an intake port of the fuel pump 14, and a pressure regulator for discharging some of the fuel discharged from an exhaust port 32 of the fuel pump 14. A return fuel filling area is provided that is filled with return fuel discharged from the pressure regulator. The return fuel filling area is communicated with the vapor exhaust port of the fuel pump 14. The return fuel filling area is communicated with the inside of the fuel tank. COPYRIGHT: (C)2011,JPO&INPIT |
