发明名称 |
Concentrated winding coil and method of manufacturing same |
摘要 |
<p>A concentrated winding coil according to the present invention comprises a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin (1) comprising an inner flange (1-c), an outer flange (1-b) and a bobbin body (1-a) on which the wire (2) is wound, wherein: each of the coil layers includes a turn shift portion where the wire is shifted from an n-th turn to an (n+1)-th turn; the turn shift portion is located only on a side of a coil end section of the coil; and the bobbin body (1-a) has no guide grooves. Furthermore, a method of manufacturing the concentrated winding coil according to the present invention comprises steps of: winding the wire (2) on the bobbin (1); and pressing the wire by a wire guiding/holding member (3-a, 3-b) toward the inner flange (1-c) or toward the outer flange (1-b).
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申请公布号 |
EP1933445(A3) |
申请公布日期 |
2015.01.14 |
申请号 |
EP20070023990 |
申请日期 |
2007.12.11 |
申请人 |
HITACHI, LTD. |
发明人 |
HIRAMATSU, HIROMICHI;ISHIGAMI, TAKASHI;NAGANAWA, TAKASHI |
分类号 |
H02K3/46;H01F41/06;H02K3/18;H02K15/04;H02K15/095;H02K27/28 |
主分类号 |
H02K3/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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