圧縮自着火エンジンの制御装置

Title:

圧縮自着火エンジンの制御装置

Document Type and Number:

Japanese Patent JP5445394

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To suppress an increase of combustion noise and enhance NVH performance, in a control device for a compression self-ignition engine.SOLUTION: An injection controller (PCM10), when the engine body 1 is in an operation range of a partial load, effects a diffusion combustion mode to execute main injection to start fuel injection at a compression top dead center or before it for performing main combustion mainly composed of diffusion combustion, and a pre-stage injection to perform fuel injection at least once with timing before the compression top dead center so that a peak of pre-stage combustion occurs before the compression top dead center (see (3), (4)). Further, the injection controller, when the peak of pre-stage combustion occurs at the compression top dead center or behind it due to that a state in the cylinder is turned into a state where ignition delay time is extended, effects a premix combustion mode to perform fuel injection more than once before the compression top dead center and to cause ignition and combustion near the compression top dead center (see (1)).

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Inventors:

Kyotaro Nishimoto
Daisuke Shimo
Kim Nagyu
Atsushi Kanzaki

Application Number:

JP2010185518A

Publication Date:

March 19, 2014

Filing Date:

August 20, 2010

Export Citation:

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Assignee:

Mazda Corporation Inc

International Classes:

F02D41/38; F02B23/06; F02D41/04; F02D41/40; F02M45/04

Domestic Patent References:

JP2005155603A
JP2002276444A
JP2006274857A
JP2009264332A
JP2003286880A
JP2003286876A
JP2004150318A
JP2002180881A

Foreign References:

WO2010041308A1

Attorney, Agent or Firm:

Maeda patent office
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Kazunari Ninomiya
Tomoo Harada
Iseki Katsumori
Seki Kei
Yasuya Sugiura
Daisuke Kawabe
Masanori Hasegawa
Tsuguya Iwashita
Koji Fukumoto
Ryo Maeda
Mawaki Hachizo
Yukichi Matsunaga
Kenji Kawakita
Shohei Okazawa

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