Driving control device for fuel pump and fuel supply apparatus
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United States of America Patent
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Dec 7, 2021
Grant Date -
N/A
app pub date -
Nov 17, 2020
filing date -
Nov 18, 2019
priority date (Note) -
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Abstract
A driving control device for a fuel pump may include a valve-opening-rate calculating unit and a driving control unit. The valve-opening-rate calculating unit may be configured to calculate an injector valve opening rate. The injector valve opening rate may be an injection time of an injector per unit time. The driving control unit may be configured to set a voltage duty ratio of a driving voltage that should be applied to the fuel pump that supplies fuel in a fuel tank to a fuel pipe communicating with the injector. The driving control unit may be further configured to set the voltage duty ratio to a value that is proportional to the injector valve opening rate calculated via the valve-opening-rate calculating unit.
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