System for assisting the regeneration of depollution means...

Details System for assisting the regeneration of depollution means... System for assisting the regeneration of depollution means...

2004-10-13

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, C060S286000, C060S297000

Reexamination Certificate

active

07340885

ABSTRACT:
This system in which the depollution means (1) are associated with oxidation catalyst-forming means (2), and the engine (4) is associated with common manifold means (7) for feeding fuel and adapted to implement a regeneration strategy using at least one post-injection of fuel into the cylinders, is characterized in that it includes means (8) for detecting a regeneration request (req.RG)), means (9) for detecting when the engine is idling, means (11) for acquiring the temperature downstream from the catalyst-forming means, means (8) for determining, on the basis of said temperature, a maximum quantity of fuel to be injected when post-injections take place while the engine is idling on the basis of said temperature, and means (7, 8) for progressively reducing post-injection as soon as the quantity of fuel injected has reached the maximum quantity.

REFERENCES:
patent: 6289672 (2001-09-01), Katoh et al.
patent: 6666020 (2003-12-01), Tonetti et al.
patent: 6802180 (2004-10-01), Gabe et al.
patent: 6966179 (2005-11-01), Onodera et al.
patent: 6969413 (2005-11-01), Yahata et al.
patent: 7021050 (2006-04-01), Nishimura et al.
patent: 10007049 (2001-08-01), None
patent: 10033159 (2002-01-01), None
patent: 1281852 (2003-02-01), None

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