MAGNETIC VISCOUS FLUID DEVICE

To provide a magnetic viscous fluid device.SOLUTION: A magnetic viscous fluid device 1 includes: a rotor 7 comprising a magnetic material; an opposition yoke 10 which faces the rotor 7 via a gap 50 and comprises a magnetic material; a magnetic viscous fluid 5 which is interposed in the gap 50 betwee...

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Hauptverfasser: AKAIWA SHUICHI, SAITO HIROKI, SAKAE ATSUSHI, UESHIMA YUYA, TSUJI HITOSHI, FURUYA TOMOHIRO, SUEHIRO TAKASHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a magnetic viscous fluid device.SOLUTION: A magnetic viscous fluid device 1 includes: a rotor 7 comprising a magnetic material; an opposition yoke 10 which faces the rotor 7 via a gap 50 and comprises a magnetic material; a magnetic viscous fluid 5 which is interposed in the gap 50 between the opposition yoke 10 and the rotor 7; and a coil 11 for forming a magnetic circuit which passes the opposition yoke 10, the magnetic viscous fluid 5, and the rotor 7 when being energized. The size of the gap 50 is 0.3 mm or smaller. At least one of the rotor 7 and the opposition yoke 10 has prescribed carbon content. The prescribed carbon content is 0.2 mass% or less.SELECTED DRAWING: Figure 1 【課題】磁気粘性流体装置を提供する。【解決手段】磁気粘性流体装置1は、磁性体からなる回転子7と、回転子7に隙間50を介して対向し磁性体からなる対向ヨーク10と、対向ヨーク10と回転子7との隙間50に介在する磁気粘性流体5と、通電時に対向ヨーク10、磁気粘性流体5および回転子7を通過する磁路を形成するコイル11と、を備える。隙間50の大きさは、0.3mm以下である。回転子7及び対向ヨーク10の少なくとも一方は、所定の炭素含有量を有し、前記所定の炭素含有量は、0.2質量%以下である。【選択図】図1