Method and device for monitoring a sensor

Details Method and device for monitoring a sensor Method and device for monitoring a sensor

2005-10-11

2005-10-11

McCall, Eric S. (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Compression

Reexamination Certificate

active

06952953

ABSTRACT:
A device and a method for monitoring a sensor for an exhaust-gas after-treatment system, in particular a temperature sensor. In specified operating states, a first signal from the first sensor to be monitored may be compared to a second signal from a second sensor. Errors may be detected when at least the two signals differ from one another by more than a value.

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patent: 6796293 (2004-09-01), Bayerle et al.
patent: 2003/0051538 (2003-03-01), Hashiguchi
patent: 199 06 287 (2000-08-01), None
patent: 2 712 695 (1995-05-01), None

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