Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 23, 2021
Patent Application Number
16805060
Date Filed
February 28, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
An injection controller includes a control IC outputting an energization instruction signal to apply a peak current to a fuel injection valve (i.e., an instruction TQ), and a current monitor unit detecting an electric current flowing in the fuel injection valve. The control IC corrects an output OFF time of the energization instruction signal based on a difference between (i) an integrated current of an ideal current profile which serves as a target current before reaching the peak current and (ii) an integrated current of an energization current in the fuel injection valve detected by the current monitor unit (i.e., an effective TQ).
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