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    • 4. 发明授权
    • Stackable linear actuator using embedded coil carriages
    • 使用嵌入式线圈架的可堆叠线性执行器
    • US5293290A
    • 1994-03-08
    • US777799
    • 1991-10-17
    • Kenneth R. OwensRobert D. StroudLester M. Yeakley
    • Kenneth R. OwensRobert D. StroudLester M. Yeakley
    • G11B5/55H02K16/00H02K41/035F11B5/55
    • H02K41/0356G11B5/5521H02K16/00
    • A stackable linear actuator using flat, planar carriages. Each carriage is formed of two thin fiber reinforced outer surfaces having a low density composite core between each of the outer surfaces. A flat single layer coil is mounted within the composite core. The carriages are mounted for relative movement in a vertical stack. Between each carriage is a set of permanent magnets of opposing polarity. The sets of magnets are aligned so that magnets of similar polarity are aligned vertically. A steel plate is attached at the top of the stack. Another steel plate is attached to the bottom of the stack. These plates shunt the magnetic flux to form a continuous loop of magnetic flux through the entire stack. The carriages are operated by supplying the coils with current of varying intensity and polarity.
    • 一种使用平面平面托架的可堆叠线性致动器。 每个托架由在每个外表面之间具有低密度复合芯的两个薄纤维增强的外表面形成。 扁平单层线圈安装在复合芯内。 托架安装成垂直堆叠中的相对运动。 在每个滑架之间是一组相反极性的永磁体。 这些磁体对齐,使得具有相似极性的磁体垂直对准。 钢板的顶部附着有钢板。 另一块钢板连接到堆叠的底部。 这些板分流磁通以形成通过整个堆叠的连续的磁通回路。 通过向线圈供应不同强度和极性的电流来操作托架。