| 摘要 |
PURPOSE:To facilitate the inspection of a pump duct by constructing a coil to an outside core in an inner core type structure, thereby enabling to remove the outside core and a coil around an electromagnetic pump even if the pump is not disconnected from piping. CONSTITUTION:An inside core 2 is formed at the center of a pump duct 1, and an outside core 3 is radially formed on the outer periphery of the duct 1. A coil 5 is wound to enclose the core 3 to form a pole. In other words, it is formed in an inner core type structure. When an AC power source is connected to the wired coil 5, a magnetic circuit is formed between the cores 3 and 2, an eddy current of ring shape concentric with the annular unit 4 is induced in the fluid of the annular unit 4 by the magnetic circuit, thereby obtaining a thrust in the prescribed direction. |
