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1. 发明申请

WO1981002602A1 MAGNETIC DECOUPLER 审中-公开
标题翻译：磁性分解器
公开(公告)号：WO1981002602A1
公开(公告)日：1981-09-17
申请号：PCT/US1981000139
申请日：1981-01-30
申请人： PERMAG CORP
发明人： PERMAG CORP , LIPSCHITZ H
IPC分类号： E05B47/00
CPC分类号： E05B73/0052 , E05B73/0017 , H01F7/0205 , Y10T24/3969 , Y10T24/505 , Y10T70/5004 , Y10T70/7057 , Y10T292/11 , Y10T292/14
摘要： Magnetic decoupler (10) for use with an antitheft device. In one preferred embodiment, the decoupler includes a composite permanent magnet comprising an annular permanent magnet (12) that may be of ceramic and a second, preferably dis-shaped permanent magnet (14), which is preferably more strongly magnetized than the annular magnet and which preferably comprises a rare earth element. The two magnets are coaxially aligned with but axially displaced from each other and are oriented with the opposite polarity so as to create a region of especially great magnetic flux in the bore of the annular magnet. A cover plate (24), preferably of cold-rolled steel, may be provided adjacent the face of the annular magnet that is remote from the second magnet to further concentrate the flux in the bore.
摘要翻译：用于防盗装置的磁解耦器（10）。在一个优选实施例中，解耦器包括复合永久磁铁，其包括可以是陶瓷的环形永磁体（12）和优选地为非圆形永磁体的第二，优选为非圆形的永磁体（14），其优选地比环形磁体更强地磁化，其优选包括稀土元素。这两个磁体彼此同轴对准但是轴向移位，并且以相反的极性定向，以便在环形磁体的孔中产生特别大的磁通量的区域。优选冷轧钢板的盖板（24）可以邻近于远离第二磁体的环形磁体的表面设置，以进一步将焊剂集中在孔中。

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