Title:
METHOD FOR MANUFACTURING LAMINATE COIL, LAMINATE COIL, COIL DEVICE, AND POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/158531
Kind Code:
A1
Abstract:
The purpose of the present invention is to suppress, in a coil device that includes a plurality of layered coils, deterioration of characteristics of the coil device caused by contact and short-circuiting between a winding and a core due to positional offset or deformation of the winding. In the present invention, a laminate coil (30) is formed by layering a first coil (20), a second coil (21), and a third coil (22) that are formed from flat conductors so as to be sandwiched between a plurality of layered insulating members (32). The laminate coil (30) comprises a through-hole (35) on the inner side of the coil in plan view. The present invention is characterized in that: the plurality of layered insulating members (32) that are mutually adjacent in the layering direction are mutually bonded at an inner-end section of the laminate coil (30) that is located on the through-hole (35) side; and inner-side end sections of the first coil (20), the second coil (21), and the third coil (22) are sealed by the layered insulating members (32).
Inventors:
FUJII KENTA (JP)
KUMAGAI TAKASHI (JP)
FUKUDA TOMOHITO (JP)
NISHIZAWA SHOICHIRO (JP)
KUMAGAI TAKASHI (JP)
FUKUDA TOMOHITO (JP)
NISHIZAWA SHOICHIRO (JP)
Application Number:
PCT/JP2022/002017
Publication Date:
July 28, 2022
Filing Date:
January 20, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01F41/12; H01F5/06; H01F27/28; H01F27/32; H01F30/10
Foreign References:
| JP2012216761A | 2012-11-08 | |||
| JP2003347125A | 2003-12-05 | |||
| JPS57102348A | 1982-06-25 | |||
| JP2013168401A | 2013-08-29 | |||
| US3868766A | 1975-03-04 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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