CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Feb 1, 2018
app pub date -
Jul 27, 2017
filing date -
Jul 29, 2016
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Abstract
Provided is a control device of an internal combustion engine for suppressing variation in the internal EGR amount among cylinders and improving the merchantability. A control device 1 of an internal combustion engine 3 has an ECU 2, wherein the internal combustion engine 3 includes an electric turbocharger 5 and first to fourth cylinders #1 to #4. The ECU 2 sets a target rotation change amount DN#i for a turbine 5b of the electric turbocharger 5 corresponding to each cylinder according to the operation state of the internal combustion engine 3 (Step 35), and controls a TC motor 5c of the electric turbocharger 5 in a control period, which includes an exhaust stroke in one combustion cycle of each cylinder, to match the target rotation change amount DN#i (Step 23).
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