| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve pump efficiency by reducing fuel circulating in a casing. Ž<P>SOLUTION: A fuel pump and a jet pump are installed in a reserve cup. The casing 116 of the fuel pump is formed with a fuel suction channel 140 sucking fuel from the outside of the casing, a pump channel 130 having an upstream end connected to the downstream end of the fuel suction channel 140 and pressurizing fuel sucked from the fuel suction channel 140, a fuel delivery channel having an upstream end connected to the downstream end of the pump channel 130 and delivering fuel pressurized by the pump channel 130 to the outside of the casing, and a communication hole (fuel discharge hole) 130d discharging fuel leaked from the pump channel 130 into a clearance between an impeller and the casing to the outside of the casing. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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