Determination of a point in time of a predetermined state of a fuel injector
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United States of America Patent
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Feb 9, 2021
Grant Date -
Aug 9, 2018
app pub date -
Apr 4, 2018
filing date -
Oct 7, 2015
priority date (Note) -
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Abstract
A method for determining a first time at which a fuel injector having a solenoid drive is in a first predetermined opening state. The method includes the following: (a) determining a second time at which the fuel injector is in a second predetermined state, (b) determining a stroke value of a moving component of the fuel injector, which stroke value corresponds to a movement path of the moving component which is covered when the fuel injector transitions between the first predetermined opening state and the second predetermined opening state, and (c) determining the first time at which the fuel injector is in the first predetermined opening state, on the basis of the second time and the stroke value. A method for actuating a fuel injector having a solenoid drive, an engine controller and a computer program.
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