US Patent 7971426 Reductant injection system diagnostics
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Patent abstract
A method is described for controlling operation of a reductant injection system. In one example, a pump of the reductant injection system is operated at a pressure to inject reductant into an exhaust system based on voltage supplied to the pump. The method can allow operation of the reductant injection system during degradation of a pressure sensor that is used to determine reductant flow.
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Patent Inventor Names
Michiel J. Van Nieuwstadt0
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US Patent 07971426 Reductant injection system diagnostics US Patent 7971426 Reductant injection system diagnostics
Infobox
Patent Number
079714260
Patent Number
79714260
Edits on 6 Apr, 2023
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Infobox
Is a
Patent Jurisdiction
Patent Number
079714260
Date of Patent
July 5, 2011
0Patent Application Number
119338290
Date Filed
November 1, 2007
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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US Patent 07971426 Reductant injection system diagnostics
Infobox
Is a
Patent jurisdiction
Patent number
07971426
Date of patent
July 5, 2011
Patent application number
11933829
Date Filed
November 1, 2007
Patent primary examiner
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