| 摘要 |
PROBLEM TO BE SOLVED: To suppress generation of pressure pulsation in a fuel supplied from an outlet.SOLUTION: A fuel pump includes a housing 2, a pump portion disposed at one side in the housing, a motor portion disposed at the other side in the housing and communicated with the pump portion, and an upper body 18 closing an end face at the other side, of the housing. A fuel chamber 102 in which the fuel flowing toward the other side of the housing from the pump portion through the motor portion, flows, and a first branch flow channel 104 branched from the fuel chamber, are disposed between the upper body 18 and the motor. The outlet 11 is opened to the fuel chamber 102. A jet pump supply opening 13 is opened to the first branch flow channel 104, and the fuel in the fuel chamber 102 is supplied to the jet pump supply opening 13 through the first branch flow channel 104. |
