Title:
内燃機関の制御装置
Document Type and Number:
Japanese Patent JP4135372
Kind Code:
B2
Abstract:
A control unit (30) for a combustion engine (11) switches between lean and stoichiometric air/fuel ratios on detecting an early deterioration in the exhaust gas catalytic system (27) through an exhaust gas sensor (29) downstream of the catalyst, until there is an end to this deterioration.
Inventors:
Naoki Yoshiume
Kiyono Masato
Osamu Fukasawa
Kiyono Masato
Osamu Fukasawa
Application Number:
JP2002033373A
Publication Date:
August 20, 2008
Filing Date:
February 12, 2002
Export Citation:
Assignee:
株式会社デンソー
International Classes:
F02D45/00; F01N3/08; F02D41/04; F02D41/22; F02D41/40
Domestic Patent References:
| JP2000199425A | ||||
| JP11264316A | ||||
| JP2000034946A |
Attorney, Agent or Firm:
Takashi Ito
Takanori Kubo
Akira Nagai
Hirohiko Usui
Takanori Kubo
Akira Nagai
Hirohiko Usui