Title:
内燃機関の排気浄化装置
Document Type and Number:
Japanese Patent JP5641258
Kind Code:
B2
Abstract:
An exhaust emission control apparatus is equipped with an SCR catalyst 12 that is provided in an exhaust passage 11 of an internal combustion engine 10, and an addition valve 30 that adds a reducing agent to the SCR catalyst 12. The exhaust emission control apparatus detects a NOx purification rate of the SCR catalyst 12 upon the completion of a burnout process of burning out deposits, and notifies that the function of purification is abnormal if a deviation between the detected NOx purification rate and a target value thereof is larger than a predetermined criterial value.
Inventors:
青柳 雄介
Application Number:
JP2012113405A
Publication Date:
December 17, 2014
Filing Date:
May 17, 2012
Export Citation:
Assignee:
トヨタ自動車株式会社
International Classes:
F01N3/20; B01D53/94; F01N3/08
Attorney, Agent or Firm:
Hironori Onda
Makoto Onda
Makoto Onda
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