スプリングドライブソヌリの開発(研究) Development of SPRING DRIVE Sonnerie

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This paper describes an air-viscous slow governor used in Spring Drive Sonnerie. Spring Drive movement makes no noise during hand movement. This is an ideal condition for installing mechanism for striking a bell. Japanese Buddhists' prayer bell "orin" was chosen for the sound source. Our objective was to create a sonnerie that offered the resonance and the clear tone of an orin. The reverberation resonance of an orin is produced by a hammer that strikes the bell at approximately 3-second interval. Along with the smoothly flowing second hand, the sound imparts a sense of slow and tranquil flow of time. To achieve the ringing tone of an orin amid a tranquil stillness, we developed a non-contact slow governor that made virtually no noise. The key to the "silent" slow governor is the wings around the rotor that produce resistance caused by viscosity of the air. This rotor turns at a constant speed at which the reactive force of the main spring and the viscous resistance caused by the air are balanced.

収録刊行物

  • マイクロメカトロニクス

    マイクロメカトロニクス 52(198), 13-22, 2008-06-10

    一般社団法人日本時計学会

参考文献:  2件中 1-2件 を表示

  • <no title>

    LECOULTRE Francois

    A Guide To Complicated Watches, 2004

    被引用文献1件

  • <no title>

    中山泰喜

    流体の力学, 1989

    被引用文献1件

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    110007363031
  • NII書誌ID(NCID)
    AA11646924
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13438565
  • NDL 記事登録ID
    9547099
  • NDL 雑誌分類
    ZN12(科学技術--機械工学・工業--精密機械)
  • NDL 請求記号
    Z16-440
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS 
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