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2. 发明申请

US20110219989A1 LINEAR MOTOR AND TABLE FEED APPARATUS 审中-公开
标题翻译：线性电机和台式送料装置
公开(公告)号：US20110219989A1
公开(公告)日：2011-09-15
申请号：US13042477
申请日：2011-03-08
申请人： Kazuya YUGAWA , Atsushi Kawahara , Seigo Nagamatsu
发明人： Kazuya YUGAWA , Atsushi Kawahara , Seigo Nagamatsu
IPC分类号： H02K41/02 , B23Q1/44 , B23Q5/28
CPC分类号： H02K41/03 , B23Q5/28 , H02K41/0356
摘要： A linear motor includes a field magnet unit, an armature unit, and a connecting unit. The field magnet unit includes a first field magnet yoke and a second field magnet yoke each of which has an odd number of permanent magnets arranged thereon in a longitudinal direction such that polarities of the permanent magnets are alternately different, where the first field magnet yoke and the second field magnet yoke are arranged such that respective permanent magnets are opposite to each other and that polarities of the opposite permanent magnets are different from each other. The armature unit is wound with a winding and is arranged between the first field magnet yoke and the second field magnet yoke. The connecting unit is configured by a magnetic substance and connects the first field magnet yoke and the second field magnet yoke. One of the field magnet unit and the armature unit moves relatively to the other.
摘要翻译：线性电动机包括场磁体单元，电枢单元和连接单元。场磁体单元包括第一场磁轭和第二场磁轭，每个磁轭具有在纵向方向上布置有奇数个永磁体，使得永磁体的极性交替不同，其中第一场磁轭和第二场磁轭被布置成使得各个永磁体彼此相对，并且相对的永磁体的极性彼此不同。电枢单元缠绕有绕组，并且布置在第一磁场磁轭和第二磁场磁轭之间。连接单元由磁性物质构成，并连接第一磁场磁轭和第二磁场磁轭。场磁体单元和衔铁单元之一相对移动到另一个。

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