Title:
内燃機関の排気浄化システム
Document Type and Number:
Japanese Patent JP4453602
Kind Code:
B2
Abstract:
The present invention is directed to an exhaust gas purification system for an internal combustion engine (1) that performs high pressure PM filter regeneration process by decreasing the degree of opening of an exhaust throttle valve (12) in regenerating the particulate matter trapping capacity of a particulate filter (11) and has as an object to provide a technology that enables to perform the high pressure PM filter regeneration process while suppressing excessive temperature rise of the particulate filter even while the vehicle is moving. According to the invention, a prediction is made, when the high pressure PM filter regeneration process is performed, as to whether there is a possibility that the temperature of the particulate filter will reach a predetermined upper limit temperature, and the pressure inside the particulate filter is controlled in accordance with the prediction.
Inventors:
Tsuyoshi Hashizume
Application Number:
JP2005145495A
Publication Date:
April 21, 2010
Filing Date:
May 18, 2005
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F01N3/02; B01D53/94; F02D9/04; B01D46/42
Foreign References:
| DE19838032A1 |
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Hidemi Matsukura
Mayuko Wakuda
Kazunobu Sera
Tsutomu Toyama
Hidemi Matsukura
Mayuko Wakuda
Kazunobu Sera
Tsutomu Toyama