An exhaust gas purification device includes a pre-oxidation catalyst disposed in an exhaust gas passage and a muffler that is provided in such a manner as to surround the pre-oxidation catalyst, and discharges exhaust gas while reducing noise. The muffler has an inlet which is connected to an upstream side exhaust pipe and an outlet which is connected to a downstream side exhaust pipe. The exhaust gas purification device includes a downstream side purification device that is disposed in the exhaust gas passage, and accommodates a second oxidation catalyst and a particulate matter removing filter. The exhaust gas is discharged to the atmosphere after the exhaust gas flows through the downstream side purification device.


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    Title :

    Exhaust gas purification device


    Contributors:

    Publication date :

    2022-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein



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