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VIBRATION-DAMPING ELECTROMAGNETIC ACTUATOR, ACTIVE FLUID-FILLED VIBRATION-DAMPING DEVICE AND ACTIVE VIBRATION-CONTROL DEVICE USING THE SAME
VIBRATION-DAMPING ELECTROMAGNETIC ACTUATOR, ACTIVE FLUID-FILLED VIBRATION-DAMPING DEVICE AND ACTIVE VIBRATION-CONTROL DEVICE USING THE SAME
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机译:减振电磁致动器,有源流体阻尼减振装置和使用该装置的有源减振装置
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摘要
A vibration-damping electromagnetic actuator including: a tubular stator including at least one coil member having a coil and an outer yoke attached to the coil; a mover including a permanent magnet and at least one inner yoke superposed in an axial direction of the stator, the mover being inserted into the tubular stator as axially displaceable relative to the stator through energization to the coil; and an inner tubular part provided at the outer yoke being superposed on an inner peripheral face of the coil to have a magnetic gap, wherein the at least one inner yoke has a thick part at an outer peripheral part thereof, and a lightening part at an inner peripheral part thereof so that an axial dimension of the inner yoke is smaller in a formation part of the lightening part than in the thick part.
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