Fuel pump having pulsation dampening branch flow paths
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Jul 17, 2013
filing date -
Jul 26, 2012
priority date (Note) -
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Abstract
A fuel pump includes a housing, a pump section disposed within the housing on a first side thereof, a motor section disposed within the housing on a second side thereof and communicating with the pump section, and an upper body closing an end of the housing on the second side. A fuel chamber, into which fuel flows from the pump section through the motor section toward the second side of the housing, and a first branch fuel path, which is connected to the fuel chamber, are provided between the upper body and a motor. A discharge port is connected to the fuel chamber. A supply port is connected to the first branch fuel path, and the fuel in the fuel chamber is provided to the supply port through the first branch fuel path.
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