Exhaust gas purification device

The exhaust gas purification device of the present embodiment is provided in an exhaust gas flow path of an internal combustion engine. The exhaust gas purification device includes a honeycomb catalyst and a PM trapping filter. The honeycomb catalyst is formed by supporting a catalyst on a first sub...

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Bibliographische Detailangaben
Hauptverfasser:	Kadota, Yoichi, Takayama, Yasushi
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 STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The exhaust gas purification device of the present embodiment is provided in an exhaust gas flow path of an internal combustion engine. The exhaust gas purification device includes a honeycomb catalyst and a PM trapping filter. The honeycomb catalyst is formed by supporting a catalyst on a first substrate which is made of a promoter and has a honeycomb structure. The PM trapping filter is located on the exhaust gas downstream side of the honeycomb catalyst and includes a second substrate having a honeycomb structure, configured to be capable of trapping PM.