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1. (WO2018221525) COMPRESSION-IGNITION ENGINE AND CONTROL METHOD FOR COMPRESSION IGNITION ENGINE

Pub. No.:    WO/2018/221525    International Application No.:    PCT/JP2018/020588
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed May 30 01:59:59 CEST 2018
IPC: F02D 19/08
F02D 41/02
F02D 45/00
F02M 37/00
F02M 51/00
F02M 61/10
F02M 63/00
Applicants: MAZDA MOTOR CORPORATION
マツダ株式会社
Inventors: HITOMI Mitsuo
人見 光夫
YAMAMOTO Hiroyuki
山本 博之
YAMAMOTO Toshihide
山本 寿英
FUJIMOTO Hidefumi
藤本 英史
Title: COMPRESSION-IGNITION ENGINE AND CONTROL METHOD FOR COMPRESSION IGNITION ENGINE
Abstract:
A compression ignition engine that comprises: an engine main body (a diesel engine 1); a first fuel supply unit (a naphtha injector 19); a second fuel supply unit (a diesel fuel injector 18) that supplies a second fuel that has a lower pressure and/or temperature when going for compression ignition than a first fuel and is also less volatile that the first fuel; and a control unit (a PCM 10) that outputs respective signals to the first and second fuel supply units. The control unit: outputs a signal to the first fuel supply unit such that a greater weight of the first fuel will be supplied than of the second fuel; and then outputs a signal to the second fuel supply unit such that the second fuel is supplied to a combustion chamber. An air-fuel mixture that forms is compression ignited.