| 摘要 |
PROBLEM TO BE SOLVED: To increase thrust, in an electromagnetic actuator for an active type vibration control device that includes a stationary core, a movable core connected to an excitation member while facing the stationary core, and a coil unit including a coil surrounding parts of the stationary core and movable core, and vibrates the movable core and the excitation member in a reciprocated manner with electrification to the coil.SOLUTION: A coil unit 35A includes a main coil 49A into which an alternating current of waveform corresponding to vibration of a vibration generation source E is input, and a sub coil 50A that causes the main coil 49A to amplify occurring magnetic flux.SELECTED DRAWING: Figure 1 |
