Title:
エンジン
Document Type and Number:
Japanese Patent JP6583853
Kind Code:
B2
Abstract:
An engine includes: a piston including a cavity; a cylinder head configured so as to form a combustion chamber having a pent roof shape; a fuel injection valve configured to inject fuel from a second half of a compression stroke until a first half of an expansion stroke; and a spark plug arranged at a position corresponding to an upper side of the cavity. Injection openings which are arranged in a circumferential direction surrounding a longitudinal axis of the valve and through each of which the fuel is injected in a direction inclined relative to the longitudinal axis by a predetermined angle is formed such that when a height of a ceiling of the combustion chamber at a position corresponding to an edge end portion of the cavity in an injection direction of the injection opening is large, the injection angle of the injection opening is large.
Inventors:
Takayuki Hikita
Masahisa Yamakawa
Tomonori Urushihara
Kazuhiro Nagatsu
Tatsuya Fujikawa
Takashi Goster
Takano Nagano
Yuki Kawai
Toshifumi Hayamizu
Masahisa Yamakawa
Tomonori Urushihara
Kazuhiro Nagatsu
Tatsuya Fujikawa
Takashi Goster
Takano Nagano
Yuki Kawai
Toshifumi Hayamizu
Application Number:
JP2015188464A
Publication Date:
October 02, 2019
Filing Date:
September 25, 2015
Export Citation:
Assignee:
マツダ株式会社
株式会社デンソー
株式会社デンソー
International Classes:
F02M61/18; F02B23/10; F02F3/26
Domestic Patent References:
| JP2010144540A | ||||
| JP201443782A |
Attorney, Agent or Firm:
Takaki Nishijima
Minoru Nakamura
Fumiaki Otsuka
Disciple Maru Ken
Ken Iwagami
Minoru Nakamura
Fumiaki Otsuka
Disciple Maru Ken
Ken Iwagami