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    • 41. 发明授权
    • Linear direct current motor
    • 线性直流电动机
    • US5225725A
    • 1993-07-06
    • US761888
    • 1991-09-18
    • Manabu ShirakiOsami MiyaoMasayuki OhsakaMasayuki FujiwaraDaishi Yamaguchi
    • Manabu ShirakiOsami MiyaoMasayuki OhsakaMasayuki FujiwaraDaishi Yamaguchi
    • H02K41/02
    • H02K41/031
    • Disclosed herein is a linear d.c. motor comprising a field magnet composed of plural magnetic poles, and an armature formed by arranging armature coils along the moving direction of a moving element at a position facing the field magnet. One of the field magnet and armature is attached to the moving element, and the other is provided on a stator yoke serving as a stator. Projecting edges for linear guide, each of which projects outside and has a triangular form in cross section, are provided on both sides of the stator yoke, and guide rollers, each of which has an engaging groove in the form of a valley in its side part coming into slidable contact with the projecting edge for linear guide, are attached to the moving element. There is no possibility that the moving element is derailed because it is supported by the projecting edges of linear guide and the guide rollers. It is therefore possible to make the thrust of the moving element greater and cause it to travel at high speed.
    • 本文公开的是线性直流 电动机,其包括由多个磁极构成的场磁体,以及电枢,其通过沿着与磁场磁体相对的位置沿着移动元件的移动方向布置电枢线圈而形成。 场磁体和电枢中的一个附接到移动元件,另一个设置在用作定子的定子轭上。 在定子磁轭的两侧设置有各自在外侧突出并具有三角形的直线导轨的突出边缘,每个导向辊在其侧面具有谷状形状的接合槽 与用于线性引导件的突出边缘滑动接触的部分附接到移动元件。 移动元件不会脱轨,因为它由直线导轨和导辊的突出边缘支撑。 因此,可以使移动元件的推力更大并使其高速行驶。