EXHAUST PURIFICATION SYSTEM FOR A VEHICLE
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United States of America Patent
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N/A
Issued Date -
Feb 16, 2012
app pub date -
Jan 15, 2010
filing date -
Apr 13, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To provide an exhaust purification system for a vehicle with which, even in a form of vehicle in which operation and stopping of an internal combustion engine are frequently alternated between, exhaust gas is prevented from being exhausted to the outside of the vehicle with a purification treatment remaining insufficient and an excessive drop in battery capability is prevented.In an exhaust purification system for a vehicle equipped with purge control means for executing a purge treatment that recovers a reducing agent remaining inside a reducing agent supply section after an internal combustion engine is stopped, the purge control means executes the purge treatment in a case corresponding to at least one of a case where it has been determined that the internal combustion engine will not be restarted for a predetermined amount of time or longer when the internal combustion engine is stopped or a case where it has been determined that the stopping of the internal combustion engine is not due to control that causes the internal combustion engine to automatically stop when a predetermined idling stop condition has been met.
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