US Patent 11499463 Methods for evaluating diesel exhaust fluid quality
Patent 11499463 was granted and assigned to Paccar on November, 2022 by the United States Patent and Trademark Office.
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Patent Number
114994630
Date of Patent
November 15, 2022
0Patent Application Number
170025150
Date Filed
August 25, 2020
0Patent Citations
Patent Primary Examiner
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US Patent 11499463 Methods for evaluating diesel exhaust fluid quality
Article
The present disclosure describes methods for evaluating quality of DEF dosed to an EAS including a close coupled SCR unit a downstream SCR unit. A NOx conversion efficiency of the close coupled SCR unit and a NOx conversion efficiency of the downstream SCR unit are used to evaluate quality of DEF. In some embodiments, the NOx conversion efficiency of close coupled SCR unit is used to evaluate quality of DEF. Operation of an EAS using the results of the evaluation of quality of DEF are described.
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
114994630
Date of Patent
November 15, 2022
0Patent Application Number
170025150
Date Filed
August 25, 2020
0Patent Citations
Patent Primary Examiner
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