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    VEHICLE WHEEL

    Freier Zugriff
    KAMIYAMA YOUICHI | Europäisches Patentamt | 2015

    This vehicle wheel (1) is characterized in that a communication hole (18a) for a first Helmholtz resonator (auxiliary air chamber

     ...

    VEHICULAR WHEEL

    Freier Zugriff
    KOMATSU MICHIHIRO / KAMIYAMA YOICHI | Europäisches Patentamt | 2015
    function as helmholtz resonators, where each of the sub air chambers 13 is formed by partitioning hollow spaces 16 formed inside the rim 11 in a ...

    VEHICLE WHEEL

    Freier Zugriff
    KAMIYAMA YOICHI / SHIMAMURA YUTA / NAKANISHI KANJI et al. | Europäisches Patentamt | 2020
    wheel (1) of the present invention has a sub air chamber member (10) serving as a helmholtz resonator in a well part (11c) of a rim (11). The ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI | Europäisches Patentamt | 2020
      invention provides a vehicle wheel in which an auxiliary air chamber member 10 as a Helmholtz resonator that muffles air cylinder resonance sound in ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI / SAITO HISANOBU / OSAWA YUSUKE | Europäisches Patentamt | 2020

      To provide a vehicle wheel which can use an existing structure of a wheel for attachment of a helmholtz resonator (a sub air chamber

       ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI / SAITO HISANOBU / OSAWA YUSUKE | Europäisches Patentamt | 2020

      To provide a vehicle wheel having a helmholtz resonator (a sub air chamber member) which can secure a larger volumetric capacity of a

       ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI / ISHII KATSUSHI | Europäisches Patentamt | 2015
      serving as a Helmholtz resonator and provided in a well portion 11c between a first longitudinal wall surface 16a and a second longitudinal wall ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI / SAITO HISANOBU / OSAWA YUSUKE | Europäisches Patentamt | 2019

      To provide a vehicle wheel having a helmholtz resonator (a sub air chamber member) which can secure a larger capacity of a sub air

       ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI | Europäisches Patentamt | 2016

      In a vehicle wheel (1), communication holes (18a) of first Helmholtz resonators (auxiliary air chamber members 10a, 10d) having a

       ...

      VEHICLE WHEEL

      Freier Zugriff
      KAMIYAMA YOICHI / ISHII KATSUSHI | Europäisches Patentamt | 2015
      of a sub-air chamber.SOLUTION: A vehicle wheel 1 includes a sub-air chamber member 10 serving as a Helmholtz resonator and provided in a well ...

    VEHICLE BODY STRUCTURE

    Freier Zugriff
    SATO KATSUHARU / NISHIMIYA NOZOMU / TANAKA KATSUNORI | Europäisches Patentamt | 2015
    Helmholtz-resonates with the closed cross section part is alienated from a peak frequency of an intake sound which is dissipated from an intake port ...

    VEHICLE WHEEL

    Freier Zugriff
    KOMATSU MICHIHIRO / KAMIYAMA YOICHI | Europäisches Patentamt | 2015
    with each other through communication holes 14 and function as helmholtz resonators, where each of the sub air chambers is formed by ...

    車両用ホイール

    Freier Zugriff
    Europäisches Patentamt | 2016

    This vehicle wheel is provided with only two sub air chamber members each as a Helmholtz resonator having an sub air chamber which

     ...

    ラウドスピーカアセンブリおよびシステム

    Freier Zugriff
    Europäisches Patentamt | 2016
    including a cone and a basket and at least one Helmholtz resonator including a chamber and a vent duct communicating with the chamber and adapted to ...

    SOUND ABSORPTION SANDWICH PANEL NOT REQUIRING DRILLING

    Freier Zugriff
    OGASAWARA TOSHIO / AOKI TAKUYA / ISHIDA YUICHI | Europäisches Patentamt | 2016
    sound absorption panel utilizing the principle of a Helmholtz resonator, a surface plate formed of a fiber-reinforced composite material is ...

    EXTERIOR STRUCTURE OF MOTOR VEHICLE

    Freier Zugriff
    MURAKAMI KENTA / TANAKA MATSUHIRO / KISHIMOTO JUNJI et al. | Europäisches Patentamt | 2016
    cavity tone mode to a high-frequency Helmholtz resonance mode by partitioning a groove using multiple partition walls.SOLUTION: In an exterior ...

    SOUND ABSORBER

    Freier Zugriff
    TAOKA YOSHIBUMI | Europäisches Patentamt | 2016
    105 is connected to outside via a hole 103d formed on the plate-state salient member 103c. Therefore, the resonance space 105 has a Helmholtz ...

    SOUND ABSORPTION RESIN STRUCTURE

    Freier Zugriff
    HIROSE YOSHIKAZU / YABUTANI SHIGERU / YAMAMOTO SHOHEI | Europäisches Patentamt | 2016
    sealing plate part 25, the outer sealing plate part 26 and an air layer 27 in each cell 24 are functioned as a Helmholtz resonator using the air ...

    車両用ホイール

    Freier Zugriff
    Europäisches Patentamt | 2017

    COWL TOP COVER

    Freier Zugriff
    HORIMIZU YASUMASA / IHARA ATSUSHI | Europäisches Patentamt | 2017
    32 for communicating the air chamber part 31 and an outside of the cover main body part 30 is arranged. A Helmholtz resonant sound absorber ...

    車両用ホイール

    Freier Zugriff
    Europäisches Patentamt | 2017

    HEAD-UP DISPLAY DEVICE

    Freier Zugriff
    TANAKA KATSUHIRO / ISHIGURO TSUKASA / TAKENOUCHI MAMORU | Europäisches Patentamt | 2017
    reflector 3 to rotate on a rotary shaft 30. The housing 4 is provided with a Helmholtz resonator H resonating to a predetermined resonance frequency ...

    VEHICLE HELMHOLTZ TYPE SOUND ABSORPTION STRUCTURE

    Freier Zugriff
    OGAWA SHINJIRO | Europäisches Patentamt | 2018

    PROBLEM TO BE SOLVED: To provide a helmholtz type sound absorption structure, which reduces low frequency noise, in a vehicle at low

     ...

    HELMHOLTZ-TYPE SOUND ABSORPTION STRUCTURE FOR VEHICLE

    Freier Zugriff
    OGAWA SHINJIRO | Europäisches Patentamt | 2018

    PROBLEM TO BE SOLVED: To provide a Helmholtz-type sound absorption structure that can be easily and inexpensively manufactured.SOLUTION

     ...

    車両用ホイール

    Freier Zugriff
    Europäisches Patentamt | 2018

    In a vehicle wheel, communication holes of first Helmholtz resonators (auxiliary air chamber members) having a resonant frequency lower

     ...

    AIR BLOWER

    Freier Zugriff
    FUDO AYAKA / KOSAKA SHO | Europäisches Patentamt | 2018
    communicate with each other all the time. The driver seat side flow passage 122a and the plurality of holes 26 constitute a Helmholtz resonator. Thus ...

    HYDRAULIC BRAKING DEVICE

    Freier Zugriff
    KOYAMA FUMITOSHI / SASAKI SHIN / HISADA YOSHITAKE et al. | Europäisches Patentamt | 2018
    that fluid pressure is generated in the wheel cylinders 24-27. The hydraulic braking device is further provided with a Helmholtz damper 7 that ...