To efficiently cool a power generation unit for a range extender vehicle which generates power by a power generation engine.SOLUTION: A power generation engine 20 includes: a cylinder case 22; and a first cooling fan 25. The cylinder case 22 is provided with an opening 22a for exhausting air. A muffler 50 has: a muffler body 51; and a cover member 53 formed by a heat shielding plate. The cover member 53 and the cylinder case 22 are connected by a communication passage component 40. Air taken by the first cooling fan 25 flows into the cover member 53 through the cylinder case 22 and the communication passage component 40 to be exhausted to the outside.SELECTED DRAWING: Figure 2

    【課題】発電用エンジンにより発電するレンジエクステンダ車両用発電ユニットを効率良く冷却する。【解決手段】発電用エンジン20は、シリンダケース22と、第1冷却ファン25とを有し、シリンダケース22には、空気を排気する開口部22aが設けられ、マフラ50は、マフラ本体51と、遮熱板により形成されたカバー部材53とを有し、カバー部材53とシリンダケース22とは、連絡通路部品40によって連結され。第1冷却ファン25により取り込まれた空気は、シリンダケース22及び連絡通路部品40を介して、カバー部材53の内部に流れ、外部に排気されるように構成されている。【選択図】図2


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    Title :

    COOLING STRUCTURE OF POWER GENERATION UNIT FOR RANGE EXTENDER VEHICLE


    Additional title:

    レンジエクステンダ車両用発電ユニットの冷却構造


    Contributors:

    Publication date :

    2021-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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 / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung



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