NOx sensor monitoring

The present invention pertains to a system for monitoring measured NOx values in an exhaust component, comprising a first NOx sensor having a first predetermined maintenance interval and a second NOx sensor having a second predetermined maintenance interval. The first and second NOx sensors are conf...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Eike Sixel, Hauke Holst, Andreas Banck
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention pertains to a system for monitoring measured NOx values in an exhaust component, comprising a first NOx sensor having a first predetermined maintenance interval and a second NOx sensor having a second predetermined maintenance interval. The first and second NOx sensors are configured such that their first and second maintenance intervals are staggered. The present invention furthermore pertains to a method for monitoring measured NOx values in an exhaust component, comprising the steps of installing a first NOx sensor having a first predetermined maintenance interval in an exhaust component installing a second NOx sensor having a second predetermined maintenance interval after the first NOx sensor has been operating for a predetermined operation duration such that the first and second maintenance intervals are staggered by a maintenance timing offset.