Title:
WIRELESS POWER SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/002613
Kind Code:
A1
Abstract:
A wireless power supply system (100A, 100B) includes a plurality of power transmitting units (10) and a power receiving unit (13). The plurality of power transmitting units (10) are provided in a hoistway (1) so as to be aligned in a direction of travel of a car (2). The power receiving unit (13) is provided on the car (2). Electric power is supplied to the plurality of power transmitting units (10) from a power transmitting device (11), and electric power is transmitted in a non-contact manner from the plurality of power transmitting units (10) to the power receiving unit (13). Electric power accepted by a power receiving device (14) from the power receiving unit (13) is supplied to a load device (9). A dimension of the power receiving unit (13) in the direction of travel of the car (2) is greater than a dimension of each of the plurality of power transmitting units (10) in the direction of travel of the car (2).
Inventors:
NAKAGAWA MARIKO (JP)
SAKASHITA TOMOKAZU (JP)
YOSHIDA HIDEHITO (JP)
SAKASHITA TOMOKAZU (JP)
YOSHIDA HIDEHITO (JP)
Application Number:
PCT/JP2021/027354
Publication Date:
January 26, 2023
Filing Date:
July 21, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02J50/10; H02J7/00; H02J50/40
Domestic Patent References:
| WO2017149600A1 | 2017-09-08 | |||
| WO2012090612A1 | 2012-07-05 |
Foreign References:
| JP2017143661A | 2017-08-17 | |||
| JP2002249285A | 2002-09-03 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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