Steuerungssystem für Motor, Motor, Verfahren zur Steuerung eines Motors und Computerprogrammprodukt

Details

Veröffentlichungs-Nr.

EP3572656

Aktenzeichen

EP19174815

Anmeldetag

16. Mai 2019

Veröffentlichung

24. November 2021

Erteilung

24. November 2021

Rechtsraum

EP

IPC

F02D41/00F02D41/30// F02D13/02F02P5/15

Abstract

A compression-ignition engine control system is provided, which includes an intake phase-variable mechanism and a controller. Within a first operating range and a second operating range on a higher engine load side, the controller controls the variable mechanism to form a gas-fuel ratio (G/F) lean environment in which an air-fuel ratio inside a cylinder is near a stoichiometric air-fuel ratio and burnt gas remains inside the cylinder, and controls a spark plug to spark-ignite mixture gas inside the cylinder to combust in a partial compression-ignition combustion. The controller controls the variable mechanism to retard the intake valve open timing on an advancing side of TDC of an exhaust stroke, as the engine load increases within the first range, and advance the intake valve close timing on a retarding side of TDC of intake stroke, as the engine load increases within the second range.

Anmelder

Firma

Mazda Motor Corporation

Land

🇯🇵 Japan

Fachgebiete