Method for monitoring an exhaust gas system of a motor vehicle

Details Method for monitoring an exhaust gas system of a motor vehicle Method for monitoring an exhaust gas system of a motor vehicle

2007-06-05

2007-06-05

Cronin, Stephen K. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C060S227000

Reexamination Certificate

active

10518746

ABSTRACT:
A method for monitoring a vehicle exhaust system may include (1) measuring exhaust-gas temperature at an outlet side of an exhaust pipe section which is intended to accommodate a component with a purifying activity, (2) measuring exhaust-gas temperature at an inlet side of the exhaust pipe section, and (3) comparing a time curve of the outlet-side temperature with a time curve of the inlet-side temperature, wherein the comparison comprises determining a time derivative of the outlet-side temperature or of the inlet-side temperature. Alternatively, the method may include (1) measuring exhaust-gas temperature at an outlet side of an exhaust pipe section which is intended to accommodate a component with a purifying activity, (2) determining a calculated value for the exhaust-gas temperature at the outlet side based on at least one of the heat-storing and fluid-dynamic action of the component, and (3) comparing a time curve of the measured outlet-side temperature with a time curve of the calculated value.

REFERENCES:
patent: 5560200 (1996-10-01), Maus et al.
patent: 5600948 (1997-02-01), Nakajima et al.
patent: 5610844 (1997-03-01), Maus et al.
patent: 6357225 (2002-03-01), Tanaka
patent: 6739176 (2004-05-01), Neuhausen et al.
patent: 2001/0033815 (2001-10-01), Neuhausen et al.
patent: 42 27 207 (1994-02-01), None
patent: 100 13 893 (2001-09-01), None
patent: 0 442 648 (1991-08-01), None
patent: 0 442 648 (1991-08-01), None

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