Patent ID: 6845610
Filing Date: 2005-01-25
Classification: B01D,F01N,Y02T

Abstract:
1. An exhaust gas purification apparatus of an internal combustion engine, the internal combustion engine generating an exhaust gas to be introduced to an exhaust system thereof, comprising: a reformer introducing a fuel and a part of the exhaust gas and reforming the fuel and the exhaust gas into a reformed gas containing at least hydrogen which is used for reducing NOx compounds contained in the exhaust gas; and a controller programmed to control a fuel supply amount of the fuel introduced to the reformer and an exhaust gas introduction amount of the exhaust gas introduced to the reformer in accordance with a demanded hydrogen amount of the reformer and an air/fuel ratio of the internal combustion engine, wherein the exhaust gas is purified while controlling the fuel supply amount and the exhaust gas introduction amount.