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Title:
POWER TRANSMISSION DEVICE, POWER RECEPTION DEVICE, WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD FOR DRIVING POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/026868
Kind Code:
A1
Abstract:
This power transmission device is provided with: a power transmission coil; a magnetically-shielded space generated by a power transmission-side cancel coil disposed outside the power transmission coil; a movement member capable of moving a metal foreign object; and a movement mechanism capable of moving a part or the whole of an upper surface of the movement member from an area outside the magnetically-shielded space into the magnetically-shielded space.

Inventors:
MATSUO HIROYUKI
FUJIMOTO KEISUKE
Application Number:
PCT/JP2019/028604
Publication Date:
February 06, 2020
Filing Date:
July 22, 2019
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02J50/60; B60L5/00; B60L53/124; B60M7/00; H02J7/00; H02J50/10; H02J50/70
Domestic Patent References:
WO2017187610A12017-11-02
WO2013035853A12013-03-14
WO2018146973A12018-08-16
Foreign References:
JP2015100162A2015-05-28
JP2014045546A2014-03-13
JP2013110949A2013-06-06
JP2014023296A2014-02-03
JP2016059139A2016-04-21
JP2011524156A2011-08-25
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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