Title:
EXHAUST EMISSION CONTROL DEVICE OF CYLINDER INJECTION TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP2009228598
Kind Code:
A
Abstract:
To reduce an exhaust amount of NOx during compression slight lean operation.
In a cylinder injection type engine, engine rotation speed is reduced (S70) when cylinder pressure detected by a cylinder pressure sensor is more than a specified value during compression slight lean operation (S60).
Inventors:
MIYAMOTO KATSUHIKO
HIRATA TAKETOSHI
HIRATA TAKETOSHI
Application Number:
JP2008076314A
Publication Date:
October 08, 2009
Filing Date:
March 24, 2008
Export Citation:
Assignee:
MITSUBISHI MOTORS CORP
MITSUBISHI AUTO ENG
MITSUBISHI AUTO ENG
International Classes:
F02D45/00; F01N3/08; F01N3/24; F02D41/02; F02D43/00
Attorney, Agent or Firm:
Koji Nagato
Junichi Yamanaka
Junichi Yamanaka
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