PROBLEM TO BE SOLVED: To provide a Helmholtz-type sound absorption structure that can be easily and inexpensively manufactured.SOLUTION: A Helmholtz-type sound absorption structure 1 is installed in a vertically extending pillar trim 2. The pillar trim 2 is formed by connecting a lower end of an upper member 3 and an upper end of a lower member 4 in such a manner that they overlap in a vehicle width direction. A swelling part 35 projecting to the vehicle outer side is formed in the lower end of the upper member 3. The vehicle compartment side of the swelling part 35 is provided as a recessed part 36 oriented to the upper end of the lower member 4. A closed space 10 is formed by closing the recessed part 36 from the vehicle compartment side by the upper end of the lower member 4. A through hole 11 continuous with the closed space 10 is formed in the swelling part 35.SELECTED DRAWING: Figure 3

    【課題】 容易かつ低コストで製造することができるヘルムホルツ型吸音構造を提供する。【解決手段】ヘルムホルツ型吸音構造1は、上下方向に延びるピラートリム2に設置されている。ピラートリム2は、アッパ部材3の下端部とロア部材4の上端部とを車幅方向に重ねるように連結することにより構成されている。アッパ部材3の下端部に車外側に突出した膨出部35が形成される。膨出部35の車室側が、ロア部材4の上端部を向く凹部36として提供される。凹部36をロア部材4の上端部が車室側から塞ぐことにより、閉塞空間10が形成される。膨出部35に閉塞空間10に連なる通孔11が形成されている。【選択図】 図3


    Access

    Download


    Export, share and cite



    Title :

    HELMHOLTZ-TYPE SOUND ABSORPTION STRUCTURE FOR VEHICLE


    Additional title:

    車両用のヘルムホルツ型吸音構造


    Contributors:

    Publication date :

    2018-08-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    VEHICLE HELMHOLTZ TYPE SOUND ABSORPTION STRUCTURE

    OGAWA SHINJIRO | European Patent Office | 2018

    Free access

    VEHICLE SOUND ABSORPTION STRUCTURE

    IDE TOYOKA | European Patent Office | 2016

    Free access

    VEHICLE SOUND ABSORPTION STRUCTURE

    IDE TOYOKA | European Patent Office | 2017

    Free access

    VEHICLE SOUND ABSORPTION STRUCTURE

    IDE TOYOKA | European Patent Office | 2016

    Free access

    VEHICLE SOUND ABSORPTION STRUCTURE

    YABU TAKUYA | European Patent Office | 2020

    Free access