To provide a bearing device for wheel which can mount a power device capable of further obtaining output with a small number of parts without greatly changing a fitting structure to a vehicle body of a bearing for wheel, and to provide a vehicle provided with the bearing device for wheel.SOLUTION: A bearing device 1 for wheel includes a bearing 2 for wheel and a power device 3. The power device is an outer rotor type such that a stator 18 is positioned on the outer periphery of the bearing 2 for wheel, and the rotor 19 is positioned outside the radial direction of the stator 18. A radial direction range L2 of the whole power device 3 is smaller than an outer peripheral part 12b of the brake rotor 12, and the whole excluding a fitting part to a hub flange 7 in the power device 3 is positioned in an axial direction range L1 between the hub flange 7 and a vehicle body fitting surface on the inboard side of the bearing 2 for wheel. The rotor 19 includes an outer shell magnetic body 15 formed of a soft magnetic material becoming an outer shell of the power device 3, and a permanent magnet 14 provided on the outer shell magnetic body 15.SELECTED DRAWING: Figure 1
【課題】車輪用軸受の車体への取付構造を大きく変えることなく、少ない部品点数で、より出力の得られる動力装置を実装することができる車輪用軸受装置およびこの車輪用軸受装置を備えた車両を提供する。【解決手段】この車輪用軸受装置1は、車輪用軸受2と、動力装置3とを備える。動力装置は、ステータ18が車輪用軸受2の外周に位置し、ロータ19がステータ18の半径方向外方に位置するアウターロータ型である。動力装置3の全体の径方向範囲L2が、ブレーキロータ12の外周部12bよりも小径であり、動力装置3におけるハブフランジ7への取付部を除く全体が、ハブフランジ7と、車輪用軸受2のインボード側の車体取付面との間の軸方向範囲L1に位置する。ロータ19は、動力装置3の外郭となる軟磁性材料から成る外郭磁性体15と、外郭磁性体15に設けられた永久磁石14とを備える。【選択図】図1
BEARING DEVICE FOR WHEEL AND VEHICLE PROVIDED WITH BEARING DEVICE FOR WHEEL
車輪用軸受装置およびこの車輪用軸受装置を備えた車両
2019-03-28
Patent
Electronic Resource
Japanese
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