Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/070519
Kind Code:
A1
Abstract:
A power supply device 10 for supplying power to a seat S that can slide and turn with respect to a floor part F of a vehicle, is provided with: a power transmission unit 40 that is disposed, in the floor part F, along the sliding direction in which the seat S slides; and a power reception coil 71 that is, in the bottom part of the seat S, attached so as to face the power transmission unit 40 with an interval therebetween, wherein the power transmission unit 40 includes a main coil 41 for supplying power to the power reception coil 71 in a non-contact way, and at least one sub coil 42 that is disposed radially outward of the main coil 41 and that suppresses leakage magnetic flux flowing out from the power supply device 10.
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Inventors:
YAMAMOTO YASUYUKI (JP)
ISHIDA HIDETOSHI (JP)
YAMAMOTO SATOSHI (JP)
ISHIDA HIDETOSHI (JP)
YAMAMOTO SATOSHI (JP)
Application Number:
PCT/JP2020/033022
Publication Date:
April 15, 2021
Filing Date:
September 01, 2020
Export Citation:
Assignee:
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO WIRING SYSTEMS (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B60R16/027; H02J50/10; H02J50/70
Foreign References:
| JP2019077372A | 2019-05-23 | |||
| JP2017204576A | 2017-11-16 | |||
| JP2017195693A | 2017-10-26 | |||
| JP2015134513A | 2015-07-27 | |||
| JP2015195675A | 2015-11-05 |
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
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