PROBLEM TO BE SOLVED: To widely reduce noise in a low frequency zone in an engine room.SOLUTION: A porous part 3a having a number of through holes is provided at an inner panel 3 which is joined to an outer panel 2 so as to form a space 4 with the outer panel 2 and forms an inner portion of an engine hood 1. An outer air introduction hole 5 which introduces outer air into the space 4 is provided at the engine hood 1.

    【課題】エンジンルーム内の低周波帯域の騒音を幅広く低減させることができるようにする。【解決手段】アウタパネル2との間に空間4を形成するようにアウタパネル2に接合されて、エンジンフード1の内側部分を構成するインナパネル3には、多数の貫通孔を有する多孔部3aが設けられており、エンジンフード1には、外気を空間4内に導入する外気導入穴5が設けられている。【選択図】図1


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    Title :

    ENGINE HOOD


    Additional title:

    エンジンフード


    Contributors:

    Publication date :

    2015-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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