Exhaust gas purifying system and exhaust gas purifying method

Details Exhaust gas purifying system and exhaust gas purifying method Exhaust gas purifying system and exhaust gas purifying method

2006-03-21

2006-03-21

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S285000, C060S295000, C060S300000, C060S311000

Reexamination Certificate

active

07013638

ABSTRACT:
In regenerating a filter there are performed a first additional fuel injection involving additional injection of fuel into a cylinder after a main fuel injection in an engine to raise the temperature of an oxidation catalyst and a second additional fuel injection involving fuel injection after the first additional fuel injection to supply the oxidation catalyst with the fuel, a second additional fuel injection quantity is set in accordance with an engine speed and an engine load and is changed in accordance with an outlet temperature of the oxidation catalyst.

REFERENCES:
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patent: 6622480 (2003-09-01), Tashiro et al.
patent: 6666020 (2003-12-01), Tonetti et al.
patent: 6698192 (2004-03-01), Ootake
patent: 6758037 (2004-07-01), Terada et al.
patent: 5-41809 (1993-06-01), None
patent: 7-259533 (1995-10-01), None

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