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Patent Searching and Data


Title:
REACTOR
Document Type and Number:
Japanese Patent JP2020202284
Kind Code:
A
Abstract:
To provide a reactor which has a simple configuration and can suppress magnetic saturation while reducing the manufacturing cost.SOLUTION: A core 16 constituting a reactor 10 has a core shaft portion 30 which is formed in the center of a base core portion 26, protrudes in an axial direction, and has a coil 12 arranged on the outer peripheral side thereof. The core shaft portion 30 includes a plurality of split magnetic bodies 36 formed in a disk shape and laminated in the axial direction, and a ceramic plate 38 provided between adjacent split magnetic bodies 36. The ceramic plate 38 is formed with a diameter smaller than that of the split magnetic body 36 when viewed from the axial direction of the core shaft portion 30, and is arranged at the axial center of the split magnetic body 36. The outer peripheral side of the ceramic plate 38 serves as a gap space 40 in which a filler is filled. A gap layer G is formed of a mold portion 42 made of a cured filler and the ceramic plate 38 between the adjacent split magnetic bodies 36.SELECTED DRAWING: Figure 3

Inventors:
SUZUKI SACHIHIRO
Application Number:
JP2019107968A
Publication Date:
December 17, 2020
Filing Date:
June 10, 2019
Export Citation:
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Assignee:
KEIHIN CORP
International Classes:
H01F37/00; H01F27/24
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Takayuki Chima
Yasuharu Nakasone
Shiro Sakai
Toru Sekiguchi