EXHAUST SYSTEM

To provide an exhaust system capable of efficiently decomposing particulate matters collected by a gasoline particulate filter.SOLUTION: In an exhaust system 1 for exhausting gas from an engine 101, a GPF 7 is disposed downstream of a plasma reactor 4 in a flowing direction of exhaust gas. When an a...

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Bibliographische Detailangaben
Hauptverfasser:	NAITO KAZUYA, ONISHI TETSURO, SUZUKI TOMOHIRO, SHIMAMURA RYOICHI, TAMAKI RYUTARO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	To provide an exhaust system capable of efficiently decomposing particulate matters collected by a gasoline particulate filter.SOLUTION: In an exhaust system 1 for exhausting gas from an engine 101, a GPF 7 is disposed downstream of a plasma reactor 4 in a flowing direction of exhaust gas. When an air-fuel ratio is lean, a control device 6 causes the plasma reactor 4 to discharge electricity. By using nitrogen oxide, ozone and active oxygen generated in the plasma reactor 4, particulate matters collected by the GPF 7 are decomposed.SELECTED DRAWING: Figure 1 【課題】ガソリン・パーティキュレート・フィルタで捕集した粒子状物質を効率よく分解できる排気システムを提供する。【解決手段】エンジン１０１から排気するための排気システム１において、排気ガスの流れ方向においてプラズマリアクター４の下流側に、ＧＰＦ７を配置する。制御装置６は、空燃比がリーンである場合、プラズマリアクター４に放電させる。そして、プラズマリアクター４で発生した窒素酸化物、オゾン、および、活性酸素を利用して、ＧＰＦ７で捕集した粒子状物質を分解する。【選択図】図１