PROBLEM TO BE SOLVED: To arrange an exhaust gas sensor without impairing the detection accuracy of an exhaust gas component.SOLUTION: An arrangement structure of an exhaust gas sensor comprises: an exhaust pipe (4) attached to an engine (2) for a vehicle; a catalyst (6) for purifying an exhaust gas of the engine; a muffler (5) connected to a downstream side of the exhaust pipe; and a downstream-side sensor (8) for detecting a prescribed component in the exhaust gas. At least a part of the catalyst intrudes into the muffler. At least a part of a baffle pipe (54) connected to a downstream end of the catalyst is arranged so as to progress along an outer face of the muffler. The downstream-side sensor is attached so as to penetrate the muffler and the baffle pipe.SELECTED DRAWING: Figure 4

    【課題】排気ガス成分の検出精度を損なうことなく排気ガスセンサを配置すること。【解決手段】本発明は、車両用のエンジン(2)に取付けられる排気管(4)と、エンジンの排気ガスを浄化する触媒(6)と、排気管の下流側に接続される消音器(5)と、排気ガス中の所定成分を検出する下流側センサ(8)と、を備える。触媒は、少なくとも一部が消音器内に入り込んでいる。触媒の下流端に接続されるバッフルパイプ(54)の少なくとも一部は、消音器の外面に沿うように配置される。下流側センサは、消音器及びバッフルパイプを貫通するように取り付けられる。【選択図】図4


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    Title :

    ARRANGEMENT STRUCTURE OF EXHAUST GAS SENSOR


    Additional title:

    排気ガスセンサの配置構造


    Contributors:

    Publication date :

    2018-07-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / 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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