Method for controlling the heating of an oxygen sensor for...

Details Method for controlling the heating of an oxygen sensor for... Method for controlling the heating of an oxygen sensor for...

2007-03-13

2007-03-13

Paschall, Mark (Department: 3742)

Electric heating

Heating devices

With power supply and voltage or current regulation or...

C219S202000, C060S286000

Reexamination Certificate

active

10747903

ABSTRACT:
A lower limit of a heating factor for heating control of an oxygen sensor is adjusted on the basis of the heating factor, a P-jump delay time calculated based on an output voltage of the oxygen sensor, and a diagnosis index of the oxygen sensor, and thereby an engine may be stably controlled even if the oxygen sensor is aged.

REFERENCES:
patent: 6003307 (1999-12-01), Naber et al.
patent: 6363715 (2002-04-01), Bidner et al.
patent: 2003/0010016 (2003-01-01), Beer et al.
patent: 197 29 350 (1998-01-01), None
patent: 2002-021631 (2002-01-01), None
patent: 10-1999-0059847 (1999-07-01), None

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