Control strategy for lean-to-rich transitions in an internal...

Control system and method for an NOx accumulator

Control system for diesel particulate trap regeneration system

Conversion efficiency measuring apparatus of catalyst used for e

Conversion efficiency measuring apparatus of catalyst used for e

Converter overtemperature protection system and method

Coordinated engine control for lean NOx trap regeneration

Core element useful in a combined electrically heatable and ligh

Current supply control system of electrically heated catalytic c

Cylinder injection type internal combustion engine

Degradation discrimination system of internal combustion...

Detection of catalytic converter operability by light-off time d

Device and method for estimating catalytic temperature

Device and method for purification of exhaust gas

Device and method for recycling hydrocarbon vapors of I.C.E. veh

Device and method for reducing emissions in catalytic...

Device and method for the rapid priming of an oxidation catalyst

Device for determining deterioration of a catalytic converter fo

Device for reducing molecular pollutants in the gases from a com

Device for regulation of a motor vehicle engine at idle speed