Automobile combustion engine control device has phase of inlet valve camshaft and/or outlet valve camshaft adjusted when fuel ratio is enriched for removing nitrous oxide from exhaust catalyser

摘要

The control device uses an electronic control unit (2) for enriching the fuel mixture supplied to the engine for removing the nitrous oxide from the catalyser inserted in the engine exhaust line, with corresponding adjustment of the phase of the inlet valve camshaft (6) and/or the outlet valve camshaft (7) relative to the crankshaft (9), e.g. via a hydraulically-operated cam phase adjustment mechanism (8).