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Title:
MULTISTAGE COIL AND CIRCUIT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2018/135357
Kind Code:
A1
Abstract:
A multistage coil provided with: a plurality of coils having a winding part on which a winding wire is wound, and a connection part that is extended from the winding part, there being at least two coils; and a magnetic core having a shaft part disposed along the axial direction of the winding part in the radial center of the winding part, and a wall part extending along the radial direction of the winding part. The plurality of coils are provided in a row arrangement along the axial direction, and the magnetic core is provided with: a pair of end-part cores disposed on both axial-direction end parts of the plurality of coils; and a central core, one such central core being disposed between each of the neighboring plurality of coils.

Inventors:
KITA YUKINORI (JP)
Application Number:
PCT/JP2018/000395
Publication Date:
July 26, 2018
Filing Date:
January 11, 2018
Export Citation:
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Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H01F27/29; H01F17/04; H01F37/00
Domestic Patent References:
WO2005119709A12005-12-15
WO2016002326A12016-01-07
WO2015068265A12015-05-14
WO2015005129A12015-01-15
Foreign References:
JP2013093921A2013-05-16
JP2000124047A2000-04-28
JP2012043872A2012-03-01
JP2005166905A2005-06-23
EP1933341A22008-06-18
JPH08306553A1996-11-22
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
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