公开(公告)号：US20220018305A1

公开(公告)日：2022-01-20

申请号：US17357995

申请日：2021-06-25

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Masatomo YOSHIHARA ,  Taejin YOON ,  Naoki HAYASHIMA ,  Masanao IDOGAWA ,  Takahiro UCHIDA

IPC: F02D41/40 ,  F02D41/00 ,  F02D41/06 ,  F02P5/15

Abstract: An engine unit includes an engine including a cylinder injection valve that sprays fuel into a combustion chamber and an ignition plug that is able to ignite fuel sprayed from the cylinder injection valve. When expansion stroke injection drive of performing final fuel injection from the cylinder injection valve in an expansion stroke and igniting the fuel using the ignition plug in synchronization with the fuel injection in the expansion stroke is performed, upper and lower limits of an ignition timing are guarded such that the ignition timing is in a predetermined range centered on a final fuel injection start timing at a final determination timing of the ignition timing.