Patent ID: 9605575
Date: 2017-03-28
CPC Classifications: F01N

Claim:
1. A reducing agent supplying device for a fuel combustion system that includes a NOx purifying device with a reducing catalyst arranged in an exhaust passage to purify NOx contained in exhaust gas of an internal combustion engine, the reducing agent supplying device supplying a reducing agent into the exhaust passage at a position upstream of the reducing catalyst, the reducing agent supplying device comprising: a reforming device that is configured to mix fuel, which is a hydrocarbon compound, with air into a mixture and that reforms the fuel by partially oxidizing the fuel with oxygen in the air, wherein the reforming device is configured to supply a reformed fuel into the exhaust passage as the reducing agent; and an electronic control unit that is configured to the reforming device includes an ozone generator that is configured to generate ozone in the air, the electronic control unit being configured to control the ozone generator to adjust a generation amount of the ozone to a target generation amount, and the electronic control unit is configured to change the target generation amount according to the property index when controlling the ozone generator.