Regeneration of diesel particulate filter

Details Regeneration of diesel particulate filter Regeneration of diesel particulate filter

2006-04-18

2006-04-18

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

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

C060S285000, C060S297000, C060S311000

Reexamination Certificate

active

07028466

ABSTRACT:
A filter (41) traps particulate matter in the exhaust gas of a vehicle diesel engine (1). A vehicle speed sensor (51) detects a vehicle speed, and a controller (31) determines a vehicle running pattern from the vehicle speed. In the regeneration of the filter (41) to eliminate trapped particulate matter by burning, the controller (31) controls the exhaust gas temperature of the diesel engine (1) to a different target temperature according to the running pattern. As a result, there are less opportunities for regeneration of the filter (41) to be interrupted due to exhaust gas temperature drop, and regeneration of the filter (41) is ensured.

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