Exhaust purifying apparatus and exhaust purifying method for...

Details Exhaust purifying apparatus and exhaust purifying method for... Exhaust purifying apparatus and exhaust purifying method for...

2005-03-10

2008-03-11

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...

C060S274000, C060S285000, C060S297000, C060S311000

Reexamination Certificate

active

07340884

ABSTRACT:
An exhaust purifying apparatus for an internal combustion engine includes execution means, wherein, when an accumulation amount of particulate matter about a catalyst becomes less than a first determination value after a PM elimination control is started, the execution means executes burn-up control. Stopping means stops the PM elimination control based on an end of the burn-up control. Forcibly ending means forcibly ends the burn-up control when time elapsed since the accumulation amount of particulate matter about the catalyst has dropped to a second determination value reaches a predetermined time. Therefore, the exhaust purifying apparatus is capable of completely burning particulate matter in a PM filter, and suppresses degradation of fuel economy.

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patent: 2003-020930 (2003-01-01), None
patent: WO 00/28196 (2000-05-01), None

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