Title:
COIL DEVICE
Document Type and Number:
Japanese Patent JP2023035165
Kind Code:
A
Abstract:
To provide a coil device with a small number of components.SOLUTION: A coil device 10 has a bobbin 20 having a winding core part 21 in which a first coil part 41 and a second coil part 42 are arranged, cores 50a, 50b attached to the bobbin 20, and bypass cores 55a, 55b attached to the bobbin 20 to bypass a part of a magnetic flux generated in cores 50a, 50b. On the outer surface of the winding core part 21, core installation parts 31a, 31b are formed having a recess 32 that is open toward the outside in the radial direction of the winding core part 21 and can accommodate the bypass cores 55a, 55b.SELECTED DRAWING: Figure 3
Inventors:
HIGA SHINJI
HORIKAWA TOSHIYUKI
HORIKAWA TOSHIYUKI
Application Number:
JP2021141799A
Publication Date:
March 13, 2023
Filing Date:
August 31, 2021
Export Citation:
Assignee:
TDK CORP
International Classes:
H01F5/02; H01F27/30; H01F17/04; H01F27/24; H01F30/10; H01F41/12
Attorney, Agent or Firm:
Maeda Suzuki International Patent Attorneys Corporation