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A platform for research: civil engineering, architecture and urbanism
EDDY CURRENT DAMPER
To provide an eddy current damper in which local temperature rise of a conductive member can be suppressed.SOLUTION: An eddy current damper 1 is provided in which damping force is obtained by relatively rotating permanent magnets 6 and a conductive member 4 by using a screw shaft 2 and a ball nut 3. The eddy current damper 1 includes a cylindrical magnet holding member 5, the plurality of permanent magnets 6, and the cylindrical conductive member 4. The plurality of permanent magnets 6 are fixed to the magnet holding member 5, and magnetic poles of the permanent magnets 6 are arranged in an alternately inverted manner in a circumferential direction of the magnet holding member 5. The conductive member 4 is opposed to the plurality of permanent magnets 6 at an interval, and relatively rotatable with respect to the plurality of permanent magnets 6. Axial displacement of the screw shaft 2 relatively moves the plurality of permanent magnets 6 and the conductive member 4 in an axial direction of the screw shaft 2.SELECTED DRAWING: Figure 2
【課題】導電部材の局所的な温度上昇を抑制できる渦電流式ダンパを提供する。【解決手段】ねじ軸２及びボールナット３を用いて永久磁石６と導電部材４とを相対的に回転させることで減衰力を得る渦電流式ダンパ１は、円筒形状の磁石保持部材５と、複数の永久磁石６と、円筒形状の導電部材４と、を含む。複数の永久磁石６は、磁石保持部材５に固定され、磁石保持部材５の周方向に磁極の配置を交互に反転して配列される。導電部材４は、複数の永久磁石６と隙間を空けて対向し、複数の永久磁石６に対して相対的に回転可能である。ねじ軸２は、軸方向に変位することで、複数の永久磁石６と導電部材４とをねじ軸２の軸方向に相対的に移動させる。【選択図】図２
EDDY CURRENT DAMPER
To provide an eddy current damper in which local temperature rise of a conductive member can be suppressed.SOLUTION: An eddy current damper 1 is provided in which damping force is obtained by relatively rotating permanent magnets 6 and a conductive member 4 by using a screw shaft 2 and a ball nut 3. The eddy current damper 1 includes a cylindrical magnet holding member 5, the plurality of permanent magnets 6, and the cylindrical conductive member 4. The plurality of permanent magnets 6 are fixed to the magnet holding member 5, and magnetic poles of the permanent magnets 6 are arranged in an alternately inverted manner in a circumferential direction of the magnet holding member 5. The conductive member 4 is opposed to the plurality of permanent magnets 6 at an interval, and relatively rotatable with respect to the plurality of permanent magnets 6. Axial displacement of the screw shaft 2 relatively moves the plurality of permanent magnets 6 and the conductive member 4 in an axial direction of the screw shaft 2.SELECTED DRAWING: Figure 2
【課題】導電部材の局所的な温度上昇を抑制できる渦電流式ダンパを提供する。【解決手段】ねじ軸２及びボールナット３を用いて永久磁石６と導電部材４とを相対的に回転させることで減衰力を得る渦電流式ダンパ１は、円筒形状の磁石保持部材５と、複数の永久磁石６と、円筒形状の導電部材４と、を含む。複数の永久磁石６は、磁石保持部材５に固定され、磁石保持部材５の周方向に磁極の配置を交互に反転して配列される。導電部材４は、複数の永久磁石６と隙間を空けて対向し、複数の永久磁石６に対して相対的に回転可能である。ねじ軸２は、軸方向に変位することで、複数の永久磁石６と導電部材４とをねじ軸２の軸方向に相対的に移動させる。【選択図】図２
EDDY CURRENT DAMPER
渦電流式ダンパ
SANO KUMPEI (author) / NOGAMI YUTAKA (author) / IMANISHI KENJI (author) / NOGUCHI YASUTAKA (author) / MASUI RYOSUKE (author)
2020-02-06
Patent
Electronic Resource
Japanese