PROBLEM TO BE SOLVED: To provide a service vehicle prime mover structure capable of ensuring the high draw-in capability of a radiator fan and the high exhaust capability of a dust discharge fan, suppressing the overheat of an engine, and ensuring the less frequency of maintenance and inspection work.SOLUTION: The object is attained by providing a radiator fan (20) and a dust discharge fan (30) on the same axis, providing driven state switching means (45) alternately switching over between the radiator fan (20) and the dust discharge fan (30) such that one is in a driven state whereas the other is in a non-driven state, disposing an oxidation catalyst device (11) oxidizing unburned fuel contained in exhaust gas discharged from an engine (E) above the engine (E), providing a rotary shaft (24) passing through a cylindrical rotary shaft (34) supporting the dust discharge fan (30) and supporting the radiator fan (20), and disposing the rotary shaft (24) above a vertical center of the radiator (50).

    【課題】ラジエータファンの吸入能力と排塵ファンの排気能力が高く、エンジンのオーバヒートを抑制し、保守・点検作業の頻度が少ない作業車輌の原動部構造を提供する。【解決手段】ラジエータファン(20)と排塵ファン(30)を同一軸心上に設け、ラジエータファン(20)と排塵ファン(30)とを一方が駆動状態となり他方が非駆動状態となるように互いに背反的に切換える駆動状態切換手段(45)を設け、エンジン(E)から排出される排気ガス中の未燃燃料を酸化する酸化触媒装置(11)をエンジン(E)の上側に配置し、排塵ファン(30)を支持する筒状回転軸(34)内を貫通してラジエータファン(20)を支持する回転軸(24)を設け、回転軸(24)をラジエータ(50)の上下方向の中心よりも上側に配置することにより解決される。【選択図】図3


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    Titel :

    SERVICE VEHICLE PRIME MOVER STRUCTURE


    Weitere Titelangaben:

    作業車輌の原動部構造


    Beteiligte:
    GOTO KAZUMI (Autor:in) / OKUMURA KAZUYA (Autor:in) / IWAMOTO HIROSHI (Autor:in)

    Erscheinungsdatum :

    2015-12-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / A01D Ernten , HARVESTING



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