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公开(公告)号：US20210391757A1
公开(公告)日：2021-12-16
申请号：US17460479
申请日：2021-08-30
Applicant: DENSO CORPORATION
Inventor： Takuya KIGUCHI , Nobuhisa YAMAGUCHI , Eisuke TAKAHASHI , Hayato SUMIYA , Tomoyuki FUJIKAWA , Koji MAZAKI , Shimpei TAKITA , Masaki KANESAKI , Masaya TAKAHASHI , Kazuhiro UDA , Yusei NAKAYASHIKI , Mitsuru SHIBANUMA , Kazuyoshi OBAYASHI
Abstract: A dynamic wireless power transfer system performs, through a plurality of primary coils installed along a traveling direction of a road and a secondary coil mounted in a vehicle, power transfer to the vehicle while the vehicle is traveling. The secondary coil is an M-phase coil including M coils, M denoting an integer which is two or higher. The M coils each include a coil end extending along a front-rear direction of the vehicle and a main coil portion extending along a width direction of the vehicle, the M coils each being configured such that a magnetic resistance of a magnetic path where a magnetic flux of the coil end passes is higher than a magnetic resistance of a magnetic path where a magnetic flux of the main coil portion passes.
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公开(公告)号：US20210114465A1
公开(公告)日：2021-04-22
申请号：US17134636
申请日：2020-12-28
Applicant: DENSO CORPORATION
Inventor： Eisuke TAKAHASHI , Nobuhisa YAMAGUCHI , Koji MAZAKI , Shimpei TAKITA , Hayato SUMIYA , Masaki KANESAKI , Takuya KIGUCHI , Kazuhiro UDA , Mitsuru SHIBANUMA , Kazuyoshi OBAYASHI , Tomoyuki FUJIKAWA , Masaya TAKAHASHI , Yusei NAKAYASHIKI
Abstract: A contactless power supply system is provided for supplying electric power to a vehicle in a contactless manner during traveling of the vehicle. The contactless power supply system includes a plurality of primary coils installed along a traveling direction in a road and a secondary coil mounted to the vehicle. Each of the primary coils is a single-phase coil with the secondary coil being a multi-phase coil, or is a multi-phase coil with the secondary coil being a single-phase coil.
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