公开(公告)号：US20210305846A1

公开(公告)日：2021-09-30

申请号：US17264203

申请日：2019-06-07

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Ryosuke HASABA ,  Kazuhiro EGUCHI ,  Yoshio KOYANAGI ,  Katsuya OKAMOTO ,  Souichi KAWATA ,  Tatsuo YAGI

IPC: H02J50/12 ,  H01F27/28 ,  H01F27/24

Abstract: A power receiving device is disposed underwater. The power receiving device includes a housing formed of a weak magnetic material, a ferromagnetic body that surrounds an outer side of the housing and is formed of a ferromagnetic material, and a power receiving coil wound around an outer side of the ferromagnetic body.