| 摘要 |
PURPOSE:To eliminate the restrictions of moving distance of the moving section by forming magnetic poles with a permanent magnet on moving side and with a coil on fixing side respectively. CONSTITUTION:When the current flows to a winding 6 as indicated in the direction of an arrow, a moving section 8 moves in the direction of a right angle against the paper, i.e. in the forward direction of the paper. The winding 6 is wound at an optional interval. The moving section 8 will therefore coast in the place where there is no winding. And, if the direction of the current flow is changed, the moving section 8 moves in the reverse direction. Thus, the moving section 8 can move a long distance. As the thrust and speed generated at the moving section 8 will change by the change of the DC voltage impressed to this winding 6, the adjustment can be performed easily.
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