US 11,984,735 B2
Dynamic wireless power transfer system
Hayato Sumiya, Kariya (JP); Eisuke Takahashi, Kariya (JP); Nobuhisa Yamaguchi, Kariya (JP); Masaya Takahashi, Kariya (JP); Hiroshi Fujimoto, Tokyo (JP); and Osamu Shimizu, Tokyo (JP)
Assigned to DENSO CORPORATION, Kariya (JP); and THE UNIVERSITY OF TOKYO, Tokyo (JP)
Filed by DENSO CORPORATION, Kariya (JP); and The University of Tokyo, Tokyo (JP)
Filed on Jan. 26, 2022, as Appl. No. 17/585,195.
Application 17/585,195 is a continuation of application No. PCT/JP2020/026557, filed on Jul. 7, 2020.
Claims priority of application No. 2019-137399 (JP), filed on Jul. 26, 2019.
Prior Publication US 2022/0149666 A1, May 12, 2022
Int. Cl. H02J 50/50 (2016.01); B60C 9/00 (2006.01); B60C 19/00 (2006.01); B60L 53/122 (2019.01); H02J 50/00 (2016.01); H02J 50/12 (2016.01)
CPC H02J 50/50 (2016.02) [B60C 19/00 (2013.01); B60L 53/122 (2019.02); H02J 50/005 (2020.01); H02J 50/12 (2016.02); B60C 9/0007 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A dynamic wireless power transfer system comprising:
a power transmission coil that is provided in a road;
a power transmission circuit that supplies electric power to the power transmission coil;
a power reception coil that is provided in a vehicle;
a power reception circuit that is connected to the power reception coil; and
a relay circuit that transfers electric power between the power transmission coil and the power reception coil, wherein:
the relay circuit includes a relay coil that is provided in a tire of the vehicle;
the tire includes a steel belt;
the relay coil is provided in a tread portion of the tire that is further toward an outer circumferential side than the steel belt is; and
the steel belt is covered by a conductive shield.