PROBLEM TO BE SOLVED: To provide an eddy current type instrument capable of easily adjusting demagnetization and generating larger torque.SOLUTION: An eddy current type instrument comprises a magnetic unit 70 which rotates together with a first rotational shaft 31. The magnetic unit 70 is configured by laminating a first magnet 71 and a second magnet 72 having characteristics different from each other in an axial direction of the first rotational shaft 31. Demagnetization adjustment of the first magnet 71 is easier than demagnetization adjustment of the second magnet 72, and the second magnet 72 has a higher remanent flux density than that of the first magnet 71.SELECTED DRAWING: Figure 3

    【課題】減磁調整を容易に行うことができつつも、より大きなトルクを発生させられる渦電流式計器を提供する。【解決手段】渦電流式計器は、第1の回転軸31と共に回転する磁性部70を有する。この磁性部70は、互いに特性の異なる第1の磁石71及び第2の磁石72が第1の回転軸31の軸方向に積層されて構成される。第1の磁石71は、第2の磁石72よりも減磁調整が容易な磁石であり、第2の磁石72は、第1の磁石71よりも残留磁束密度が高い磁石である。【選択図】図3


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    Title :

    EDDY CURRENT TYPE INSTRUMENT


    Additional title:

    渦電流式計器


    Contributors:

    Publication date :

    2018-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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