NOx generation amount control device
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United States of America Patent
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Aug 27, 2024
Grant Date -
Mar 14, 2024
app pub date -
Aug 22, 2023
filing date -
Sep 12, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A NOx generation amount control device includes: a cumulative amount calculating part calculating a cumulative NOx amount obtained by adding together a plurality of NOx exhaust amounts calculated for each prescribed time interval; a specifying part specifying a target value of the cumulative NOx amount associated with a movement distance of a moving body or an output value of an engine; an estimating part estimating a predicted NOx amount indicating a predicted cumulative NOx amount based on a rotation speed of the engine and a fuel injection amount; a judging part judging whether the sum of the predicted NOx amount and the cumulative NOx amount exceeds the target value; and a determining part determining a scheduled NOx exhaust amount and determining at least one of an opening degree of the EGR valve and an opening degree of a turbocharger.
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