Soot accumulation computing and displaying device
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United States of America Patent
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Dec 20, 2016
Grant Date -
Jan 16, 2014
app pub date -
Jul 2, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A soot accumulation computing and displaying device, including: a first calculating part that is configured to calculate a first inferred value of a present accumulation amount of the soot, based on a main fuel injection amount and a post fuel injection amount; a second calculating part that is configured to calculate a second inferred value of a present accumulation amount of the soot, based on a driving time of the internal-combustion engine, which is estimated to a present time from a starting time of a latest regeneration processing of the filter among regeneration processings of the filter conducted in past; a determining part that is configured to determine a maximum inferred value among the first and second inferred values; and a displaying part that is configured to perform displaying with regards to the maximum inferred value determined by the determining part.
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