Exhaust gas purification system for a gasoline engine

Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices:a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2),wherein the oxygen storage capacity (OSC) of the T...

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Bibliographische Detailangaben
Hauptverfasser:	Schoenhaber, Jan, Braun, Carolin, Richter, Joerg-Michael
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 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:	Subject of the invention is an exhaust gas purification system for a gasoline engine, comprising in consecutive order the following devices:a first three-way-catalyst (TWC1), a gasoline particulate filter (GPF) and a second three-way-catalyst (TWC2),wherein the oxygen storage capacity (OSC) of the TWC2 is greater than the OSC of the GPF, wherein the OSC is determined in mg/l of the volume of the device.The invention also relates to methods in which the system is used and uses of the system.