Automotive engine exhaust aftertreatment system including hydroc

Power plants – Internal combustion engine with treatment or handling of... – Methods

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Details

60276, 60285, 60288, 123703, F02D 4114

Patent

active

053556720

ABSTRACT:
An automotive internal combustion engine is equipped with a hydrocarbon adsorber for the purpose of controlling the emissions of unburned hydrocarbons from the vehicle's tailpipe. Regeneration of the adsorber is achieved by an electronic engine controller operating an air pump and a sample pump, using information from an exhaust gas oxygen sensor.

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