| 摘要 |
In an active vibration isolation support system, a movable member is connected to an armature (movable core) of an actuator and moved out and back by the armature, the armature is housed in a sealed space, and a pressure of the sealed space is maintained at substantially atmospheric pressure by a flexible bag that is disposed within the sealed space and communicates with the atmosphere via a through hole formed in a wall defining the sealed space. Therefore, while preventing dust and water from entering the sealed space to prevent malfunction of the armature, a change of pressure is prevented in the sealed space to maintain a neutral position of the movable member, thereby controlling vibration of the movable member with a good precision.
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