Exhaust gas purification control device for construction machine
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United States of America Patent
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Sep 12, 2017
Grant Date -
May 12, 2016
app pub date -
May 27, 2014
filing date -
May 31, 2013
priority date (Note) -
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Abstract
An exhaust gas purification control device includes an engine, an actuator using the engine as a driving source, an operation unit used by an operator to operate the actuator or the engine, an operation detector detecting whether or not the operation unit is being operated, a purification device for capturing soot in exhaust gas of the engine, an accumulation amount detector detecting an accumulation amount of the soot captured by the purification device, a regeneration unit for performing an regenerating operation of regenerating the purification device by burning the soot captured by the purification device, and a controller controlling the regenerating operation. The controller switches a control from a control of prioritizing an operation by the operation unit to a control of prioritizing the regenerating operation in a stepwise manner as the accumulation amount of the soot detected by the accumulation amount detector increases.
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