Method for the continuous lambda control of an internal combusti

Details Method for the continuous lambda control of an internal combusti Method for the continuous lambda control of an internal combusti

1991-07-31

1993-05-11

Lazarus, Ira S.

Power plants

Internal combustion engine with treatment or handling of...

Methods

60274, 60277, 60285, F01N 320

Patent

active

052090604

ABSTRACT:
The invention relates to a method for the continuous lambda control of an internal combustion engine 13 having a catalyzer. The method is carried out by generating a control oscillation FS of pregiven amplitude at least in pregiven operating conditions. This method is based on the recognition that with an increase in amplitude of the control oscillation, the conversion window becomes wider insofar as a maximum amplitude is not exceeded. The conversion window is that range of lambda values wherein the conversion exhibits at least a pregiven quality.

REFERENCES:
patent: 4142482 (1979-03-01), Asano
patent: 4173952 (1979-11-01), Asano
patent: 4178883 (1979-12-01), Herth
patent: 4214563 (1980-07-01), Hosaka
patent: 4402291 (1983-09-01), Aono
patent: 5070692 (1991-12-01), Nada
patent: 5172320 (1992-12-01), Nada

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