Method and device for operating an internal combustion engine

Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...

Reexamination Certificate

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C060S274000, C060S285000, C060S300000, C060S301000

Reexamination Certificate

active

08082731

ABSTRACT:
An internal combustion engine has a NOX storage catalyst. A storage capacity (NOX_STC) of the NOX storage catalyst is determined for the purpose of operating the internal combustion engine. The temperature (TEMP) of the NOX storage catalyst is increased if the storage capacity (NOX_STC) is less than a predefined threshold value.

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International Search Report and Written Opinion for Application No. PCT/EP2007/052575 (17 pages), Nov. 19, 2007.

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