公开(公告)号：US20240138034A1

公开(公告)日：2024-04-25

申请号：US18404599

申请日：2024-01-04

Applicant: NHK SPRING CO., LTD.

Inventor： Atsuki YOSHIDA ,  Yuichiro YAMAUCHI ,  Hidetoshi MIZUTA

IPC: H05B6/10

CPC classification number: H05B6/101 ,  B60G21/005

Abstract: An induction heating device according to one embodiment includes a first coil portion and a second coil portion. A bar-shaped workpiece is placed between the first coil portion and the second coil portion. The first coil portion includes a pair of first narrow pitch portions formed in respective end portions thereof, a first wide pitch portion formed between the first narrow pitch portions, and a first medium pitch portion formed in the center. The second coil portion includes a pair of second narrow pitch portions formed in respective end portions, a second wide pitch portion formed between the second narrow pitch portions, and a second medium pitch portion formed in the center.

公开(公告)号：US20240237158A9

公开(公告)日：2024-07-11

申请号：US18404599

申请日：2024-01-04

Applicant: NHK SPRING CO., LTD.

Inventor： Atsuki YOSHIDA ,  Yuichiro YAMAUCHI ,  Hidetoshi MIZUTA

IPC: H05B6/10

CPC classification number: H05B6/101 ,  B60G21/005

Abstract: An induction heating device according to one embodiment includes a first coil portion and a second coil portion. A bar-shaped workpiece is placed between the first coil portion and the second coil portion. The first coil portion includes a pair of first narrow pitch portions formed in respective end portions thereof, a first wide pitch portion formed between the first narrow pitch portions, and a first medium pitch portion formed in the center. The second coil portion includes a pair of second narrow pitch portions formed in respective end portions, a second wide pitch portion formed between the second narrow pitch portions, and a second medium pitch portion formed in the center.