PROBLEM TO BE SOLVED: To provide a sound insulation device which shields sound noise transmitting through a duct for taking air from a passenger compartment of a vehicle to a cargo chamber, achieves small pressure loss of the air taken thereinto, and thereby sufficiently reduces the sound noise transmitted from the exterior to the interior of the passenger compartment.SOLUTION: A sound insulation device includes: a duct 6 which takes air from a passenger compartment of a vehicle into a cargo chamber; a blower fan 8 which is provided at the cargo chamber side of the duct 6 and blows air to the duct 6; and a rotor 7 which is disposed in the duct 6 and rotated by the air flowing in the duct 6. The rotor 7 includes: a rotary shaft 71 provided in a direction perpendicular to an air flow direction; and multiple blades 72 radially extending from the rotary shaft 71 in a radial direction of the rotary shaft 71.

    【課題】自動車の車室内から荷室に空気を取り入れるダクトを伝わる騒音を遮蔽する遮音装置において、取り入れる空気の圧力損失を少なく抑えて、車室外から車室内に伝わる騒音を十分に低減できる遮音装置を提供する。【解決手段】自動車の車室内から荷室に空気を取り入れるダクト6と、ダクト6の荷室側に設けられ、ダクト6に空気を送り込む送風ファン8と、ダクト6の内部に配置され、ダクト6の内部を流れる空気により回転する回転体7と、を備え、回転体7は、空気が流れる方向に対して直交する方向に設けられた回転軸71と、回転軸71から回転軸71の半径方向に放射状に延びる複数の羽根板72を備えた。【選択図】図5


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    Titel :

    SOUND INSULATION DEVICE


    Weitere Titelangaben:

    遮音装置


    Beteiligte:
    NISHIO YOSHIAKI (Autor:in) / SAITO TAKUMI (Autor:in)

    Erscheinungsdatum :

    2015-10-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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