Title:
COIL DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/018727
Kind Code:
A1
Abstract:
This coil device (10) comprises: a core (20) having a first base part (21), a second base part (22), a first leg part (23) provided between the first base part (21) and the second base part (22), a second leg part (24) provided to one side of the first leg part (23), and a third leg part (25) provided to the other side of the first leg part (23); and a substrate (40) having a first through-hole (41) into which the first leg part (23) is inserted, a second through-hole (42) into which the second leg part (24) is inserted, a third through-hole (43) into which the third leg part (25) is inserted, and a wiring part (44). The second leg part (24) has two leg part pieces (27, 28) that are aligned with a spacing therebetween in a second orthogonal direction to thereby form a first space (26) opening on the first-leg-part (23) side. The wiring part (44) has: a first coil part (49) that surrounds the first through-hole (41); and a first heat-dissipating part (50) that is positioned in the first space (26), the first heat-dissipating part (50) being electrically connected to the first coil part (49).
Inventors:
OKUNO TAKEYA
UJITA SHINJI
TANAKA KENICHIRO
UJITA SHINJI
TANAKA KENICHIRO
Application Number:
PCT/JP2023/017380
Publication Date:
January 25, 2024
Filing Date:
May 09, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01F27/08; H01F17/00; H01F17/04
Domestic Patent References:
| WO2019138861A1 | 2019-07-18 | |||
| WO2017126357A1 | 2017-07-27 | |||
| WO2016158064A1 | 2016-10-06 |
Foreign References:
| JP2007059839A | 2007-03-08 | |||
| JP2014179401A | 2014-09-25 | |||
| JP2018022842A | 2018-02-08 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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