Engine exhaust cleaning device

Details Engine exhaust cleaning device Engine exhaust cleaning device

2005-12-27

2005-12-27

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...

C060S285000, C060S297000, C060S311000

Reexamination Certificate

active

06978602

ABSTRACT:
An engine exhaust cleaning device is configured to prevent the temperature of a particulate matter filter (DPF) from rising sharply due to a reduction in the exhaust gas flow rate when a vehicle decelerates and shifts into idling operation during regeneration of the particulate matter filter. During regeneration of the particulate matter filter, the fuel cut (F/C) recovery engine speed used during deceleration is increased and the engine idling speed is increased for a prescribed amount of time when the engine idles.

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patent: 6802180 (2004-10-01), Gabe et al.
patent: 2003/0145582 (2003-08-01), Bunting et al.
patent: 0411445 (1991-02-01), None
patent: 1146216 (2001-10-01), None
patent: 1176290 (2002-01-01), None
patent: 06-058137 (1997-03-01), None

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