Fuel injection control system for internal combustion engine

Details Fuel injection control system for internal combustion engine Fuel injection control system for internal combustion engine

2005-11-01

2005-11-01

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, C060S286000, C060S297000, C060S311000

Reexamination Certificate

active

06959541

ABSTRACT:
An internal combustion engine has a particulate filter for collecting exhaust particulate matters included in exhaust gas. An oxidization catalyst is supported on the particulate filter. A fuel injection control system for the engine has injection quantity setting means. The injection quantity setting means sets an injection quantity for a post-injection so that the injection quantity is increased toward a basic injection quantity corresponding to a heating value, which is suitable for eliminating exhaust particulate matters collected by a particulate filter. The injection quantity is gradually increased to the basic injection quantity while maintaining temperature of the particulate filter including the oxidization catalyst above a lower limit temperature for inhibiting generation of white smoke. The lower limit temperature is determined in accordance with the injection quantity.

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