公开(公告)号：US20220239162A1

公开(公告)日：2022-07-28

申请号：US17717717

申请日：2022-04-11

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Hiroyuki MATSUO ,  Keisuke FUJIMOTO

IPC: H02J50/60 ,  H02J50/90 ,  H02J50/70 ,  B60L53/124 ,  H02J50/10 ,  H02J50/80

Abstract: A power transmission device includes a power transmission coil, a magnetically shielded space created by a power transmission-side cancel coil arranged outside the power transmission coil, a moving member configured to move a metal foreign substance, and a moving mechanism configured to move a part or all of an upper surface of the moving member from an area outside the magnetically shielded space into the magnetically shielded space.

公开(公告)号：US20210152032A1

公开(公告)日：2021-05-20

申请号：US17161413

申请日：2021-01-28

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Hiroyuki MATSUO ,  Keisuke FUJIMOTO

IPC: H02J50/60 ,  H02J50/70 ,  H02J50/90

Abstract: A power transmission device includes a power transmission coil, a magnetically shielded space created by a power transmission-side cancel coil arranged outside the power transmission coil, a moving member configured to move a metal foreign substance, and a moving mechanism configured to move a part or all of an upper surface of the moving member from an area outside the magnetically shielded space into the magnetically shielded space.