Title:
MAGNETIC ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/047740
Kind Code:
A1
Abstract:
To provide a magnetic element in which the number of components and the amount of copper wire used can be reduced and the working man-hours can be lowered. The magnetic element 1 is provided with a coil assembly 4, in which a coil 3 is wound around the outer periphery of a core 2 comprising a compression-molded magnetic material, and an outer periphery core 5 covering the outer periphery of the coil assembly 4. The outer periphery core 5 comprises an injection-molded magnetic material, and has, on the inner peripheral surface of the outer periphery core, an opening part 5a into which the coil can be inserted, and a pair of grooves 5b into which both axial ends of the core 2 can be inserted as a fixing means for fixing the coil assembly 4 in the outer periphery core.
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Inventors:
SAKAI KAYO (JP)
Application Number:
PCT/JP2016/077412
Publication Date:
March 23, 2017
Filing Date:
September 16, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
H01F17/04
Foreign References:
| JP2006032559A | 2006-02-02 | |||
| JP2013051402A | 2013-03-14 | |||
| JP3255621B2 | 2002-02-12 | |||
| JP2009141117A | 2009-06-25 | |||
| JPH09289119A | 1997-11-04 | |||
| JPH11329859A | 1999-11-30 | |||
| JP2014027050A | 2014-02-06 |
Other References:
See also references of EP 3352182A4
Attorney, Agent or Firm:
WAKI, Hikaru et al. (JP)
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