To provide an arrangement structure of an exhaust emission control system capable of making the occupied space on a mounted airframe small while making it easy to install the airframe.SOLUTION: In the arrangement structure of the exhaust emission control system comprising; a DOC (21) for oxidizing unburned gas in the exhaust gas discharged from an engine (E); and an SCR catalyst (22) for purifying nitrogen oxides in the exhaust gas after passing through the DOC (21) with ammonia, the DOC (21) is provided in a posture in which its exhaust gas flow direction faces up and down, and the SCR catalyst (22) is provided in such a posture that its exhaust gas flow direction is directed in the longitudinal direction of the mounted airframe. Further, the SCR catalyst (22) is arranged on the right side of the DOC (21). Further, in a side view, a part of the SCR catalyst (22) is placed so as to overlap with the DOC (21). Further, as seen from the side, the front portion of the SCR catalyst (22) is placed to overlap with the lower part of the DOC (21).SELECTED DRAWING: Figure 3

    【課題】機体へ搭載し易くすると共に、搭載機体上の占有空間を小さくすることができる排気ガス浄化装置の配置構造を提供すること。【解決手段】エンジン(E)から排出される排気ガス中の未燃焼ガスを酸化するDOC(21)と、このDOC(21)通過後の排気ガス中の窒素酸化物をアンモニアで還元して浄化するSCR触媒(22)を備えた排気ガス浄化装置の配置構造であって、DOC(21)を、その排気ガス流通方向を上下方向に向けた姿勢で設け、SCR触媒(22)を、その排気ガス流通方向を搭載機体の前後方向に向けた姿勢で設ける。また、SCR触媒(22)をDOC(21)の右側に配置する。また、側面視で、SCR触媒(22)の一部をDOC(21)に重ねて配置する。また、側面視で、SCR触媒(22)の前部をDOC(21)の下部に重ねて配置する。【選択図】図3


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    Title :

    COMBINE HARVESTER


    Additional title:

    コンバイン


    Contributors:

    Publication date :

    2019-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / A01D Ernten , HARVESTING / B01D SEPARATION , Trennen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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