公开(公告)号：US20230290562A1

公开(公告)日：2023-09-14

申请号：US18178752

申请日：2023-03-06

Applicant: TDK CORPORATION

Inventor： Masaru KUMAGAI ,  Tomohiro FURUICHI ,  Satoshi DENDA

IPC: H01F27/32 ,  H01F27/22 ,  H01F27/24

CPC classification number: H01F27/325 ,  H01F27/22 ,  H01F27/24

Abstract: A coil device 1 includes cores 30b and 30c; flat coils 93a to 93d each having a flat wire; a bobbin 20 having a through-hole 210 in which legs 33b and 33c of the cores 30b and 30c are disposed and accommodation grooves 220a to 220d into which the flat coils 93a to 93d are laterally inserted; and a retainer member 80 inserted into the through-hole 210 and disposed at inner circumferential sides of the flat coils 93a to 93d.

公开(公告)号：US20220319768A1

公开(公告)日：2022-10-06

申请号：US17704612

申请日：2022-03-25

Applicant: TDK CORPORATION

Inventor： Hideaki HARATA ,  Takuma TANAKA ,  Masaru KUMAGAI ,  Tomohiro FURUICHI ,  Satoshi DENDA

IPC: H01F27/32 ,  H01F27/28

Abstract: A coil device including; a bobbin including a winding part wound with a first wire and a second wire around an outer circumference face of the winding part, and flanges and formed at ends of the winding part in an axis direction; and a terminal block formed separately from the bobbin and installed to the bobbin The terminal block is arranged at a position spaced away from the outer circumference face of the winding part in a direction perpendicular to the axis direction of the winding part.