Patent ID: 7181909
Filing Date: 2007-02-27
Classification: F01N,F02D,F02M,Y02T

Abstract:
1. A control method for an exhaust gas purification system, in an internal combustion engine mounted on a vehicle provided with a diesel particulate filter device in the exhaust passage thereof, having a diesel particulate filter control means including: a collecting area detection means in which the collecting quantity area where the quantity of the collected matters collected in the filter of said diesel particulate filter device belongs to is detected from within a plurality of collecting quantity areas which are sectionalized depending on the quantity of collected matters; a travel distance area detection means in which the travel distance area where the travel distance belongs to is detected from within a plurality of travel distance areas which are sectionalized depending on the travel distance; a regeneration timing judgment means for judging the regeneration timing of the filter; and a forced regeneration control means for performing the forced regeneration of the filter by raising the exhaust gas temperature, wherein