FUEL PUMP
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
Jun 14, 2022
filing date -
Jul 6, 2021
priority date (Note) -
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Abstract
A fuel pump according to the present invention includes: a pump head; a plurality of plunger barrel units that are mounted in parallel with the pump head and that include a plurality of pressurization chambers in which a plurality of plungers are movably supported, and in which fuel is pressurized by movement of the plungers; a plurality of discharge valve units disposed in a plurality of fuel discharge channels provided to the pump head so as to each communicate with the plurality of pressurization chambers; a plurality of suction valve units disposed in a plurality of fuel suction channels provided to the pump head so as to each communicate with the plurality of pressurization chambers; a fuel discharge side communication channel by which the plurality of fuel discharge channels are communicated; and a connector that is capable of externally supplying fuel in the fuel discharge side communication channel.
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