Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
REACTOR
Document Type and Number:
WIPO Patent Application WO/2019/102841
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 is arranged inside and outside 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 magnetic core; and does not cover an outer peripheral surface of the winding part. The magnetic core comprises an inside core piece and an outside core piece. The inside core piece includes: a base part that has a prescribed magnetic circuit cross-sectional area and is arranged inside the winding part; and a connection end part that has a smaller magnetic circuit cross-sectional area than the magnetic circuit cross-sectional area of the base part and is provided to an end part of the base part. The outside core piece: includes a large area part that has a larger magnetic circuit cross-sectional area than the magnetic circuit cross-sectional area of the base part; and is exposed from the winding part. The relative permeability of the outside core piece is greater than the relative permeability of the inside core piece. The resin mold part covers a connection between the connection end part and the outside core piece and includes a thick part that is thicker than a part that covers the base part.

Inventors:
INABA Kazuhiro (1-14, Nishisuehiro-cho, Yokkaichi-sh, Mie 03, 〒5108503, JP)
Application Number:
JP2018/041171
Publication Date:
May 31, 2019
Filing Date:
November 06, 2018
Export Citation:
Click for automatic bibliography generation   Help
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:
JP2017117817A2017-06-29
JP2017079221A2017-04-27
JP2015211143A2015-11-24
JP2014120743A2014-06-30
JP2011253982A2011-12-15
JP2008041876A2008-02-21
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)
Download PDF:



 
Previous Patent: REACTOR

Next Patent: REACTOR