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公开(公告)号：US20220251989A1
公开(公告)日：2022-08-11
申请号：US17661129
申请日：2022-04-28
发明人： Erwin Achleitner , Tino Arlt , Florian Kleiner , Gerhard Haft
摘要： A method for operating an exhaust-gas purification system which is arranged in the exhaust system of an internal combustion engine, and an exhaust-gas purification system, are described. In the method, a combination of electrical catalytic converter heating measures with internal combustion engine catalytic converter heating measures is implemented, whereby particularly fast and inexpensive heating of a catalytic converter is achieved. The corresponding exhaust system preferably has, in an exhaust-gas flow direction, firstly a support catalytic converter and then a heated catalytic converter.
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公开(公告)号：US11814997B2
公开(公告)日：2023-11-14
申请号：US17661129
申请日：2022-04-28
发明人： Erwin Achleitner , Tino Arlt , Florian Kleiner , Gerhard Haft
CPC分类号： F01N3/2013 , F01N3/101 , F01N3/2093 , F01N2240/16 , F01N2430/10
摘要： A method for operating an exhaust-gas purification system which is arranged in the exhaust system of an internal combustion engine, and an exhaust-gas purification system, are described. In the method, a combination of electrical catalytic converter heating measures with internal combustion engine catalytic converter heating measures is implemented, whereby particularly fast and inexpensive heating of a catalytic converter is achieved. The corresponding exhaust system preferably has, in an exhaust-gas flow direction, firstly a support catalytic converter and then a heated catalytic converter.
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