Exhaust gas purification device of engine for vehicle

Details Exhaust gas purification device of engine for vehicle Exhaust gas purification device of engine for vehicle

2006-05-02

2006-05-02

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...

C060S289000

Reexamination Certificate

active

07036305

ABSTRACT:
There are provided a particulate filter and a manual regeneration switch. When the manual regeneration switch is operated and the vehicle is in a stop state, the engine speed is adjusted to a first target higher than a normal idle speed to regenerate the filter. Meanwhile, when the vehicle changes from its stop state to its driving state, the engine speed is adjusted to a second target higher than the normal idle speed but lower than the first target in the event that the temperature of the filter is high, while the engine speed is adjusted to the normal idle speed in the event that the temperature of the filter is low. Accordingly, deterioration of the durability of the filter due to its rapid temperature increasing can be suppressed, avoiding disadvantages of fuel efficiency and vehicle start feeling.

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patent: 4884398 (1989-12-01), Morita et al.
patent: 5121601 (1992-06-01), Kammel
patent: 2003/0145582 (2003-08-01), Bunting et al.
patent: 101 08 720 (2002-09-01), None
patent: 2 820 462 (2002-08-01), None
patent: 04-86319 (1992-03-01), None
patent: 4 086319 (1992-03-01), None

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