| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an exhaust purification device for an internal combustion engine which can supply an appropriate amount of a reducing agent according to the degradation degree of a NO<SB POS="POST">X</SB>purification catalyst. <P>SOLUTION: The NO<SB POS="POST">X</SB>purification catalyst 41 for purifying NO<SB POS="POST">X</SB>by the supply of the reducing agent and a DPF catalyst 32 to which fuel is added are provided in an engine 1. A control device 80 corrects the supply amount of the reducing agent according to the total traveling distance of a vehicle having the engine 1 mounted thereto, and further corrects the supply amount of the reducing agent according to a temperature increase of the DPF catalyst 32 when the fuel is added. <P>COPYRIGHT: (C)2013,JPO&INPIT |
