Title:
INDUCTOR AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/001593
Kind Code:
A1
Abstract:
An inductor provided with the following: an inductor core comprising two U-shaped core members arranged in a ring with gaps therebetween; primary insert-molded resin parts that cover the outside surfaces of the leg parts of the core members except for the surfaces where the core members are bonded to each other, at least; coils disposed around the aforementioned gaps and the legs of the core members; and secondary insert-molded resin parts comprising a thermoplastic resin that is insert-molded around the coils so as to affix said coils to the inductor core and affixes the leg parts of the core members to each other. The following are formed in the ends of the primary insert-molded resin parts that are coupled to each other with the core members arranged so as to form a ring: positioning parts that determine the relative positioning of opposing leg parts; and window parts that allow the molten thermoplastic resin that is to form the secondary insert-molded resin parts to flow into the abovementioned gaps.
Inventors:
UENO YASUHIRO (JP)
NOMIZO FUMIO (JP)
NOMIZO FUMIO (JP)
Application Number:
PCT/JP2011/064691
Publication Date:
January 03, 2013
Filing Date:
June 27, 2011
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
UENO YASUHIRO (JP)
NOMIZO FUMIO (JP)
UENO YASUHIRO (JP)
NOMIZO FUMIO (JP)
International Classes:
H01F41/02; H01F37/00; H01F41/12
Foreign References:
| JP2007180140A | 2007-07-12 | |||
| JPH08181022A | 1996-07-12 | |||
| JP2011086801A | 2011-04-28 | |||
| JPS62219607A | 1987-09-26 |
Attorney, Agent or Firm:
YKI Patent Attorneys (JP)
Patent business corporation YKI international patent firm (JP)
Patent business corporation YKI international patent firm (JP)
Download PDF:
Claims: