US 12,214,681 B2
Tire/wheel assembly and tire
Isao Kuwayama, Tokyo (JP)
Assigned to BRIDGESTONE CORPORATION, Tokyo (JP)
Appl. No. 17/628,566
Filed by BRIDGESTONE CORPORATION, Tokyo (JP)
PCT Filed Jul. 22, 2020, PCT No. PCT/JP2020/028513
§ 371(c)(1), (2) Date Jan. 20, 2022,
PCT Pub. No. WO2021/015259, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 2019-137246 (JP), filed on Jul. 25, 2019.
Prior Publication US 2022/0258622 A1, Aug. 18, 2022
Int. Cl. B60L 53/12 (2019.01); B60B 21/12 (2006.01); B60C 15/04 (2006.01); B60C 15/06 (2006.01); H02J 50/10 (2016.01)
CPC B60L 53/12 (2019.02) [B60B 21/12 (2013.01); B60C 15/04 (2013.01); B60C 15/0603 (2013.01); H02J 50/10 (2016.02); B60B 2900/921 (2013.01); B60C 2015/061 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A tire/wheel assembly comprising:
a wheel comprising a disk and a rim;
wherein the wheel includes a power reception device attached to an inner peripheral surface of the rim to receive electric power supplied wirelessly from farther outward in a radial direction of the wheel than the rim; and
a tire attached so as to cover an outer peripheral surface of the wheel and comprising a pair of bead portions;
wherein each bead portion in the pair of bead portions includes a bead core and a bead filler; and
wherein 0.1≤BFW/BDW≤0.6,
where BFW is a width in a tire width direction at a central position of the bead filler in a tire radial direction, and BDW is a maximum width in the tire width direction of the bead core,
the tire comprises a tread portion and a pair of sidewall portions, and
the tread portion is formed only of a non-magnetic material and the pair of the sidewall portions comprises a magnetic material.