Device and method for determining the need for regeneration...

Details Device and method for determining the need for regeneration... Device and method for determining the need for regeneration...

2006-07-11

2006-07-11

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

Reexamination Certificate

active

07073324

ABSTRACT:
The invention relates to a device and method for determining the need for regeneration in a NOxstorage catalyst (18) arranged in the exhaust train (12) of an at least periodically lean-operating internal combustion engine (10) for a motor vehicle. According to the invention, the need for regeneration is determined according to the engine power (P) of the internal combustion engine (10) and the remaining NOxstorage capacity of the NOxstorage catalyst.

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