Split direct injection for reactivated cylinders of an internal combustion engine
X Luo, JF Fuschetto, X Yuan, MA Younkins - US Patent 10,982,617, 2021 - Google Patents
(57) ABSTRACT A vehicle, engine controller and method for coordinating direct split
injection of two or more pulses of fuel during a working cycle of a reactivated cylinder which
was deacti vated in a previous working cycle is described. By using split injection for the
reactivated cylinder, the particulate matter and particulate number (“PM/PN”) generated by
the reactivated cylinder is reduced.
injection of two or more pulses of fuel during a working cycle of a reactivated cylinder which
was deacti vated in a previous working cycle is described. By using split injection for the
reactivated cylinder, the particulate matter and particulate number (“PM/PN”) generated by
the reactivated cylinder is reduced.
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