Device for reducing nitrogen oxides in exhaust gas of a lean-burn engine has a fuel-operated burner arranged in the exhaust gas line in front of the storage catalyst

摘要

Device for reducing nitrogen oxides in exhaust gas of a lean-burn engine comprises an exhaust gas line (3) extending from the engine and connected to a storage catalyst (5). A fuel-operated burner (9) is arranged in the exhaust gas line in front of the catalyst.