Invention Grant
- Patent Title: Power transmission device, power reception device, wireless power transmission system, and method for driving power transmission device
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Application No.: US17717717Application Date: 2022-04-11
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Publication No.: US11804736B2Publication Date: 2023-10-31
- Inventor: Hiroyuki Matsuo , Keisuke Fujimoto
- Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP 18143147 2018.07.31
- Main IPC: H02J50/60
- IPC: H02J50/60 ; H02J50/10 ; H02J50/80 ; H02J50/90 ; B60L53/124 ; H02J50/70
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.
Public/Granted literature
Information query
