To provide an exhaust structure which enables an exhaust passage to be disposed around an engine body compactly and stably in a rotary piston engine.SOLUTION: An exhaust passage is provided with: a first exhaust passage fixed to a first outer side surface of an engine body and extending forward from an exhaust port; a second exhaust passage extending from a front end of the first exhaust passage to the other side in an engine width direction along a front surface of the engine body; and a third exhaust passage extending rearward from the other side end as seen in the engine width direction of the second exhaust passage along a second outer side surface which is an outer side surface at the other side of the engine body in the engine width direction. A support part for supporting the third exhaust passage is provided on the second outer side surface of the engine body, and a purifier is disposed rearward of a connection position between the third exhaust passage and the support part.SELECTED DRAWING: Figure 4

    【課題】ロータリーピストンエンジンにおいて排気通路をエンジン本体の周辺にコンパクトに且つ安定して配設できる排気構造を提供する。【解決手段】排気通路に、エンジン本体の第1外側面に固定されて排気ポートから前方に延びる第1排気通路と、エンジン本体の前面に沿って第1排気通路の前端からエンジン幅方向の他方側に延びる第2排気通路と、エンジン幅方向についてエンジン本体の他方側の外側面である第2外側面に沿って第2排気通路のエンジン幅方向の他方側の端部から後方に延びる第3排気通路とを設け、エンジン本体の第2外側面に、第3排気通路を支持する支持部を設け、浄化装置を第3排気通路と支持部との連結位置よりも後方に配設する。【選択図】図4


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    Title :

    ROTARY PISTON ENGINE


    Additional title:

    ロータリーピストンエンジン


    Contributors:
    NIWA YASUSHI (author) / SUDO HIROKI (author) / OKA SHUN (author)

    Publication date :

    2023-10-18


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung



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