System and method for monitoring urea level

System and method for monitoring urea level

  • CN 101,566,490 A
  • Filed: 02/09/2009
  • Published: 10/28/2009
  • Est. Priority Date: 02/08/2008
  • Status: Active Grant
First Claim
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1. , a kind of sensor diagnostic system comprises:

  • First, second and the 3rd dispensing agent sensor, it indicates the dispensing agent whether to be present in first, second and the 3rd volume liquid level place of dispensing agent jar respectively, the wherein said second volume liquid level is greater than the described first volume liquid level, and described the 3rd volume liquid level is greater than the described second volume liquid level;

    WithControl module, its indication according to described first, second and the 3rd dispensing agent sensor are optionally diagnosed the sensor fault in described first, second and the 3rd dispensing agent sensor at least one.

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