To improve the stability, to reduce the required strength, and to improve the workability and safety by providing a vibration part and a vibration generating part inside and outside a vessel respectively, and providing the vibration part and the vibration generating part with a vibration magnetic body for transmitting vibration in noncontact by a magnetic means and a magnetic body respectively.
By vibration generated by a vibration generating body 5 of a vibration generating part 4, a magnetic body 6 is vibrated. Magnetic lines of force are formed in the horizontal direction not parallel to the vibration direction and a vibration magnetic body 3 in a vessel 1 is vibrated in the vertical direction under the influence of magnetic force. Since the magnetic body 6 and the vibration magnetic body 3 are arranged in the vertical direction being not parallel to the horizontal direction of the magnetic force lines 7, 7a-7d, area for generating the magnetic force lines 7, 7a-7d can be enlarged. When the magnetic body 6 and the vibration magnetic body 3 are formed into a disc, the height of the disc is increased to easily enlarge transmitting force. Furthermore, when the vibration magnetic body 3 is surrounded by the magnetic body 6, their stability can be improved.
MOTOKI ICHIRO
DOI TAKESHI
HAYASHI YUKIO
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