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Title:
INDUCTOR AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/001591
Kind Code:
A1
Abstract:
An inductor that has the following: an inductor core comprising a plurality of core members arranged in a ring with gaps therebetween; primary insert-molded resin parts comprising a thermoplastic resin covering the outside surface of the inductor core, excluding the surfaces of the core members that face each other; coils disposed around the aforementioned gaps and the primary insert-molded resin parts on the inductor core; and secondary insert-molded resin parts comprising a thermoplastic resin insert-molded around the coils to affix said coils to the inductor core. This allows high-cycle manufacturing of inductors without a thermosetting-resin potting step in a vacuum furnace or a heat curing treatment in a heating furnace.

Inventors:
UENO YASUHIRO (JP)
NOMIZO FUMIO (JP)
Application Number:
PCT/JP2011/064686
Publication Date:
January 03, 2013
Filing Date:
June 27, 2011
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
UENO YASUHIRO (JP)
NOMIZO FUMIO (JP)
International Classes:
H01F37/00; H01F41/12
Foreign References:
JP2007180140A2007-07-12
JPH08181022A1996-07-12
JP2010226138A2010-10-07
JP2009099793A2009-05-07
JP2009027000A2009-02-05
Other References:
See also references of EP 2725591A4
Attorney, Agent or Firm:
YKI Patent Attorneys (JP)
Patent business corporation YKI international patent firm (JP)
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Claims: