To provide an exhaust structure for an on-vehicle engine for easily keeping an exhaust emission control device at a high temperature.SOLUTION: In the exhaust structure for an on-vehicle engine 1, an intake passage 3 is arranged on one side of an engine body 2 and an exhaust passage 4 is arranged on the other side. The exhaust structure for the on-vehicle engine 1 includes a turbine 14T of a turbocharger 14 arranged on the other side of the engine body 2 and connected to the exhaust passage 4, a first exhaust emission control device 21 connected to the exhaust passage 4 downstream of the turbine 14T, and a second exhaust emission control device 22 connected to the exhaust passage 4 downstream of the first exhaust emission control device 21, the first exhaust emission control device 21 being arranged in close vicinity to the rear of the turbocharger 14, and the second exhaust emission control device 22 being arranged in close vicinity to a cylinder block 2b on the other side of the engine body 2.SELECTED DRAWING: Figure 2

    【課題】排気浄化装置を高温に維持しやすい車載エンジンの排気構造を提供する。【解決手段】エンジン本体2の一側に吸気通路3が配置され、他側に排気通路4が配置される車載エンジン1の排気構造であって、車載エンジン1の排気構造は、エンジン本体2の他側に配置され、排気通路4に接続されるターボチャージャ14のタービン14Tと、タービン14Tより下流の排気通路4に接続される第1排気浄化装置21と、第1排気浄化装置21より下流の排気通路4に接続される第2排気浄化装置22とを備え、第1排気浄化装置21は、ターボチャージャ14の後方に近接して配置され、第2排気浄化装置22は、エンジン本体2の他側のシリンダブロック2bに近接して配置されたものである。【選択図】図2


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    Title :

    EXHAUST STRUCTURE FOR ON-VEHICLE ENGINE


    Additional title:

    車載エンジンの排気構造


    Contributors:

    Publication date :

    2020-01-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / 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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