CONTROL DEVICE FOR FUEL PUMP
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United States of America Patent
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Issued Date -
Jun 13, 2019
app pub date -
Nov 29, 2018
filing date -
Dec 13, 2017
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A control device for a motor-driven fuel pump adapted for an internal combustion engine is provided. The internal combustion engine including a fuel injection valve configured to execute multistage injection in which fuel is injected into a cylinder multiple times in one combustion cycle. The fuel pump includes a cylinder, a mover in the cylinder, and an electric actuator configured to move the mover. The control device is configured to cause the fuel pump to discharge fuel in a period between an end of a multistage injection from the fuel injection valve and a start of a next multistage injection, and keep the fuel pump from discharging fuel in a period during which the multistage injection from the fuel injection valve is executed.
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