Control apparatus and method for air-fuel ratio sensor

Details Control apparatus and method for air-fuel ratio sensor Control apparatus and method for air-fuel ratio sensor

2011-08-16

2011-08-16

Solis, Erick (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S113000, C123S14250E, C123S676000, C060S286000

Reexamination Certificate

active

08000883

ABSTRACT:
The ECU executes a program that includes the steps of: calculating the temperature Texp of the wall surface of the exhaust port and the temperature Tsen of the wall surface of the inner cover covering the zirconia element of the A/F sensor (S110); heating the zirconia element by the heater (S130) when at least one of the condition that the temperature Texp is equal to or higher than the first threshold and the condition that the temperature Tsen is equal to or higher than the second threshold is in effect (S120: YES); and prohibiting the heating of the zirconia element by the heater (S140) when the temperature Texp is lower than the first threshold and the temperature Tsen is lower than the second threshold (S120: NO).

REFERENCES:
patent: 4655182 (1987-04-01), Nakano et al.
patent: 5353774 (1994-10-01), Furuya
patent: 5492107 (1996-02-01), Furuya
patent: 6935101 (2005-08-01), Morinaga et al.
patent: 7193178 (2007-03-01), Sell et al.
patent: 7526914 (2009-05-01), Nakano
patent: 7743759 (2010-06-01), Aoki
patent: 2003/0052016 (2003-03-01), Lin et al.
patent: 2009/0150057 (2009-06-01), Adams et al.
patent: 43 00 530 (1994-07-01), None
patent: 199 28 561 (2001-01-01), None
patent: 11-082113 (1999-03-01), None
patent: 2000-097902 (2000-04-01), None
patent: 2001-021524 (2001-01-01), None
patent: 2001-041923 (2001-02-01), None
patent: 2001-073827 (2001-03-01), None
patent: 2002-048749 (2002-02-01), None
patent: 2002-256949 (2002-09-01), None
patent: 2003-049700 (2003-02-01), None
patent: 2003-227400 (2003-08-01), None
patent: 2004-100483 (2004-04-01), None
patent: 2006-207424 (2006-08-01), None

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