Title:
圧粉磁心の製造方法
Document Type and Number:
Japanese Patent JP7099373
Kind Code:
B2
Abstract:
A method for manufacturing a powder magnetic core according to an aspect includes filling a case with a soft magnetic powder obtained by pulverizing a soft magnetic foil having an amorphous structure or a nanocrystal structure, applying at least one of a vibration and a magnetic field to the soft magnetic powder contained in the case and thereby aligning the soft magnetic powder, and injecting a curable resin into the case, impregnating the aligned soft magnetic powder with the curable resin, and then curing the curable resin while deaerating the curable resin under a reduced pressure.
Inventors:
Kohei Ishii
Sugiyama Masaki
Hiroaki Hatsuyama
Sugiyama Masaki
Hiroaki Hatsuyama
Application Number:
JP2019043615A
Publication Date:
July 12, 2022
Filing Date:
March 11, 2019
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01F41/02; B22F3/00; B22F3/02; B22F3/093; B22F9/04; H01F1/153; H01F27/255; B22F1/16
Domestic Patent References:
| JP2003534656A | ||||
| JP2017022148A | ||||
| JP2016003366A | ||||
| JP2014005492A |
Foreign References:
| US20140132366 |
Attorney, Agent or Firm:
Ken Ieiri
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