Adaptive engine control responsive to catalyst deterioration est

Details Adaptive engine control responsive to catalyst deterioration est Adaptive engine control responsive to catalyst deterioration est

1995-12-12

1999-01-05

Louis-Jacques, Jacques H.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

701102, 701108, 701109, 60276, 60277, 123703, G06G 770

Patent

active

058571639

ABSTRACT:
Control of operation of an internal combustion engine is responsive to an estimate of catalyst deterioration in an engine exhaust gas catalytic treatment device, including ignition timing control, intake air control, and supplemental catalyst heating control. The deterioration estimate is responsive to a catalyst temperature estimate which may be corrected in accord with the estimated deterioration.

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