Title:
内燃機関の排気浄化装置
Document Type and Number:
Japanese Patent JP5009189
Kind Code:
B2
Abstract:
An exhaust gas purifying apparatus for an internal combustion engine having a particulate filter provided in an exhaust system of the engine. Regeneration control is performed of burning particulates accumulated in the particulate filter. An oxygen concentration in exhaust gases flowing into the particulate filter is detected, and a flow rate of oxygen flowing into the particulate filter is calculated according to the detected oxygen concentration. An inflowing oxygen amount is calculated by integrating the oxygen flow rate when performing regeneration control. It is determined that an abnormality has occurred if the inflowing oxygen amount at a time when regeneration control ends is equal to or less than a predetermined amount.
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Inventors:
Daisuke Sato
Hidetaka Maki
Gosho Eisaku
Atsushi Izumiura
Jun Iida
Hidetaka Maki
Gosho Eisaku
Atsushi Izumiura
Jun Iida
Application Number:
JP2008043335A
Publication Date:
August 22, 2012
Filing Date:
February 25, 2008
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
F01N3/20; F01N3/023; F01N3/025; F01N3/029; F02D45/00
Domestic Patent References:
| JP2006242072A | ||||
| JP5044433A | ||||
| JP7180529A | ||||
| JP4047119A | ||||
| JP2002070619A | ||||
| JP2002285897A | ||||
| JP2003129835A |
Attorney, Agent or Firm:
Koji Arai