Exhaust gas purifying apparatus

Details Exhaust gas purifying apparatus Exhaust gas purifying apparatus

2007-02-20

2007-02-20

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

C060S280000, C060S295000, C060S311000, C060S605200, C123S568120, C123S568190, C123S568210

Reexamination Certificate

active

11285093

ABSTRACT:
An ECU controls an opening degree of an EGR gas switch valve based on a temperature of intake air and a load state of an engine in such a manner that a temperature of exhaust gas becomes a suitable temperature, which is suitable for regeneration of a particulate filter arranged in an exhaust gas passage. In this way, cooled EGR gas, which passes a main passage, and hot EGR gas, which passes a bypass passage, are appropriately mixed. In a case, where reliability of an EGR valve cannot be maintained, EGR cut is performed.

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patent: 6763799 (2004-07-01), Ito et al.
patent: 6957642 (2005-10-01), Miura
patent: 6978602 (2005-12-01), Ohtake et al.
patent: 6993909 (2006-02-01), Matsunaga et al.
patent: 7107978 (2006-09-01), Itoyama
patent: 0 987 427 (2004-01-01), None
patent: 2003-51791 (2003-02-01), None
patent: 2003-206724 (2003-07-01), None
patent: 2004-257336 (2004-09-01), None

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