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Patent Searching and Data


Title:
REACTOR
Document Type and Number:
WIPO Patent Application WO/2019/102840
Kind Code:
A1
Abstract:
A reactor that comprises a coil, a magnetic core, and a resin mold part. The coil has a winding part. The magnetic core: includes an inside core part that is arranged inside the winding part; and forms a closed magnetic circuit. The resin mold part: includes an inside resin part that is interposed between the winding part and the inside core part and covers at least a portion of the inside core part; and does not cover an outer peripheral surface of the winding part. The inside core part comprises: a basal region that has a prescribed magnetic circuit cross-sectional area; and a center region that has a smaller magnetic circuit cross-sectional area than the magnetic circuit cross-sectional area of the basal region, is arranged in a central area that includes the axial-direction center of the winding part, and is provided to a single core piece. The inside resin part: is formed by filling an annular groove that is formed by a step between the basal region and the center region with a constituent resin; and includes a thick part that is thicker than a part that covers the basal region.

Inventors:
INABA Kazuhiro (1-14, Nishisuehiro-cho, Yokkaichi-sh, Mie 03, 〒5108503, JP)
Application Number:
JP2018/041170
Publication Date:
May 31, 2019
Filing Date:
November 06, 2018
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES,LTD. (1-14, Nishisuehiro-cho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO WIRING SYSTEMS,LTD. (1-14, Nishisuehiro-cho Yokkaichi-sh, Mie 03, 〒5108503, JP)
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
H01F37/00; H01F27/24
Foreign References:
JP2011253982A2011-12-15
JP2017175083A2017-09-28
JP2017028142A2017-02-02
JP2016171192A2016-09-23
JP2013012643A2013-01-17
JP2007013042A2007-01-18
Attorney, Agent or Firm:
YAMANO Hiroshi et al. (KEIMEI PATENT OFFICE, 10F ASTRO Shin Osaka 2 Bldg., 1-3, Nishinakajima 6-chome, Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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