| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel feed device capable of restricting abnormal noise caused by vertical vibration of a reservoir cup even when a sliding engagement part is exposed above a liquid surface. SOLUTION: A return hole 2a is provided at a center part of a connection tube 2b, and a liquid sump groove 2c to store fuel is at a sliding outer circumferential part of it. A communication hole 2d to communicate the liquid sump groove 2c with the return hole 2a is provided. A communication hole 4b communicating with the reservoir cup 4 is provided in a bottom part of a connection hole 4a. The return hole 2a is thus usable as a fuel return passage. Since the sliding engagement part 5 is constantly lubricated with return fuel, generation of abnormal noise caused by vertical vibration of the reservoir cup 4 can be restricted even when the sliding engagement part 5 is exposed above the liquid surface of fuel. COPYRIGHT: (C)2004,JPO
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