Title:
LEAN BURN ENGINE
Document Type and Number:
Japanese Patent JP2012072749
Kind Code:
A
Abstract:
To provide a lean burn engine capable of largely improving fuel economy performance, by largely improving heat efficiency.
This lean burn engine 1 includes an engine body having a combustion chamber 17, and a control means 100 for controlling operation of the engine body. At least a part of a surface for partitioning the combustion chamber 17 is constituted of combustion chamber heat insulation layers 61-65 arranged on the surface side of a base material. The engine body is set to 20≤≤50 in the geometric compression ratio . The control means 100 is set to 2.5≤λ≤6 in the air excessive ratio λ in combustion when the engine body exists in an operation area of at least a partial load.
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Inventors:
YAMAMOTO HIROYUKI
MIWA YOSHIHISA
YAMASHITA HIROYUKI
FUJIMOTO MASAHIKO
TANAKA TATSUYA
TANIDA YOSHIO
FUJIMOTO HIDEFUMI
YOKOTA KAZUYA
MIWA YOSHIHISA
YAMASHITA HIROYUKI
FUJIMOTO MASAHIKO
TANAKA TATSUYA
TANIDA YOSHIO
FUJIMOTO HIDEFUMI
YOKOTA KAZUYA
Application Number:
JP2010220108A
Publication Date:
April 12, 2012
Filing Date:
September 30, 2010
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
F02F1/00; F01L3/02; F02B23/08; F02B77/11; F02D41/02; F02D45/00; F02F1/42; F02F3/10; F02F3/12
Domestic Patent References:
| JP2010185290A | 2010-08-26 | |||
| JP2010203355A | 2010-09-16 | |||
| JP2010007538A | 2010-01-14 | |||
| JPH11229956A | 1999-08-24 | |||
| JP2006207467A | 2006-08-10 | |||
| JPS5863441A | 1983-04-15 | |||
| JPH08218917A | 1996-08-27 | |||
| JP2007247571A | 2007-09-27 | |||
| JP2009024683A | 2009-02-05 | |||
| JP2010203308A | 2010-09-16 |
Attorney, Agent or Firm:
Hiroshi Maeda
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
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
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
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