Provided is a swivel working machine (1) that can improve cooling air exhaust performance and performance of cooling using cooling air.The swivel working machine (1) includes an exterior cover (70) to define a space where device(s) is/are provided on a swivel base (2), an inspection door (76) openably and closably provided in the exterior cover (70) and including an air exit portion (77), a fan (F) to discharge cooling air sucked from an interior of a machine body toward the air exit portion (77), a heat exchanger (CA) to cool a to-be-cooled target using cooling air sucked by the fan (F), and a shroud (110) to surround the fan (F) and guide cooling air generated by the fan (F), and the inspection door (76) is configured such that, when the inspection door (76) in a closed state, duct to guide cooling air generated by the fan (F) to the air exit portion (77) is defined by an opening edge portion (110a) of the shroud (110) making contact with a portion of the inspection door (76) that surrounds the air exit portion (77).


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    Title :

    SWIVELING WORK MACHINE


    Additional title:

    SCHWENKBARE ARBEITSMASCHINE
    ENGIN DE CHANTIER PIVOTANT


    Contributors:
    ITO JUNKI (author) / SATO FUMINORI (author) / DATE MASAMITSU (author) / YOSHIOKA YUYA (author)

    Publication date :

    2025-02-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E02F Baggern , DREDGING / 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



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