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1. 发明申请

WO2014165790A1 SELF-CENTERING ELECTROMAGNETIC TRANSDUCERS 审中-公开
标题翻译：自中心电磁传感器
公开(公告)号：WO2014165790A1
公开(公告)日：2014-10-09
申请号：PCT/US2014/033020
申请日：2014-04-04
申请人： L-3 COMMUNICATIONS CINCINNATI ELECTRONICS CORPORATION
发明人： FIEDLER, Andreas
IPC分类号： H02K1/06
CPC分类号： H02K33/16 , H02K35/02
摘要： Self-centering electromagnetic transducers, such as linear motors and generators, are disclosed. In one embodiment, an electromagnetic transducer includes an outer yoke made of a ferromagnetic material, and a coil assembly including a plurality of loops of electrically conductive wire, wherein the coil assembly is substantially surrounded by the outer yoke. The electromagnetic transducer further includes a magnet, and an inner yoke made of ferromagnetic material. The magnet is disposed within the outer yoke such that the coil assembly surrounds the magnet. The inner yoke is disposed within the magnet, and the magnet is free to translate. The electromagnetic transducer further includes at least one high-reluctance zone positioned within the outer yoke and/or the inner yoke. In some embodiments, the electromagnetic transducer includes one or more actuators that vary a width of one or more high-reluctance zones to change a spring rate of the electromagnetic transducer.
摘要翻译：公开了诸如线性电机和发电机的自定心电磁换能器。在一个实施例中，电磁换能器包括由铁磁材料制成的外磁轭以及包括多个导电线环的线圈组件，其中线圈组件基本上被外磁轭包围。电磁换能器还包括磁铁和由铁磁材料制成的内磁轭。磁体设置在外磁轭内，使得线圈组件围绕磁体。内轭设置在磁体内，磁体自由平移。电磁换能器还包括位于外磁轭和/或内磁轭内的至少一个高磁阻区。在一些实施例中，电磁换能器包括一个或多个致动器，其改变一个或多个高磁阻区域的宽度以改变电磁换能器的弹簧刚度。

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