To suppress transmissivity from declining when a radio wave transmitted from a sensor transmits a vehicle exterior product.SOLUTION: In a vehicle, a sensor 1 is boarded that transreceives a millimeter wave for detecting an object outside a vehicle. In front of a transmission direction of the millimeter wave from the sensor 1, vehicle exterior products 2 such as a bumper and the like are arranged. The vehicle exterior product 2 is formed by resin having a plurality of air bubbles inside. In the vehicle exterior product 2, an apparent specific gravity of a transmission part 3 is made larger than an apparent specific gravity of a periphery part 4. Thus, in the transmission part 3, the air bubble becomes less in comparison with the periphery part 4. With this, the transmission part 3 is more easier to transmit the millimeter wave transmitted from the sensor 1 than the periphery part 4. On the other hand, in the periphery part 4, the air bubble becomes much in comparison with the transmission part 3, and thus, the periphery part is light-weighted more easily than the transmission part 3. Accordingly, while light-weighting the vehicle exterior product 2, transmissivity when the millimeter wave to be transmitted from the sensor 1 transmits the vehicl exterior 2 can be suppressed from declining.SELECTED DRAWING: Figure 1

    【課題】センサから送信された電波が車両外装品を透過する際の透過性の低下を抑制する。【解決手段】車両には、車外の物体を検出するためのミリ波を送受信するセンサ1が搭載されている。センサ1からのミリ波の送信方向の前方には、バンパー等の車両外装品2が配置される。車両外装品2は、内部に多数の気泡を有する樹脂によって形成される。車両外装品2において、透過部3の見かけ比重が周辺部4の見かけ比重よりも大きくされている。このため、透過部3は周辺部4と比較して気泡が少なくなる。これにより、透過部3では周辺部4よりもセンサ1から送信されたミリ波が透過しやすくなる。一方、周辺部4は、透過部3と比較して気泡が多くなるため、透過部3よりも軽量化しやすくなる。従って、車両外装品2を軽量化しつつ、センサ1から送信されるミリ波が車両外装品2を透過する際の透過性が低下することを抑制できる。【選択図】図1


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    Titel :

    VEHICLE EXTERIOR PRODUCT, AND VEHICLE EXTERIOR PRODUCT MANUFACTURING METHOD


    Weitere Titelangaben:

    車両外装品及びその製造方法


    Beteiligte:
    MATSUI TATSUYA (Autor:in)

    Erscheinungsdatum :

    2022-10-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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