US 11,990,822 B2
Vehicle power unit and vehicle wheel bearing with generator
Yuuji Yada, Iwata (JP); and Kentaro Nishikawa, Iwata (JP)
Assigned to NTN CORPORATION, Osaka (JP)
Filed by NTN CORPORATION, Osaka (JP)
Filed on Nov. 19, 2020, as Appl. No. 16/952,878.
Application 16/952,878 is a continuation of application No. PCT/JP2019/019807, filed on May 17, 2019.
Claims priority of application No. 2018-097100 (JP), filed on May 21, 2018.
Prior Publication US 2021/0070163 A1, Mar. 11, 2021
Int. Cl. H02K 7/08 (2006.01); H02K 7/00 (2006.01); H02K 7/102 (2006.01); H02K 7/14 (2006.01); H02K 7/18 (2006.01); B60B 27/00 (2006.01); B60K 7/00 (2006.01)
CPC H02K 7/08 (2013.01) [H02K 7/006 (2013.01); H02K 7/102 (2013.01); H02K 7/14 (2013.01); H02K 7/1846 (2013.01); B60B 27/0015 (2013.01); B60B 27/0094 (2013.01); B60K 7/0007 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A vehicle power unit comprising:
a wheel bearing including an outer ring and a hub axle that includes a hub axle main body and a hub flange and is rotatably supported by the outer ring through a rolling element, the hub flange being configured to be attached with a wheel and a brake rotor of a vehicle; and
a motor including a stator located on an outer periphery of the outer ring and a rotor located on an outer periphery of the stator and attached to the hub axle,
wherein
the vehicle includes a chassis frame component provided with a wheel bearing fixing member for fixing the wheel bearing to the chassis frame component, and
an assembled body of the wheel bearing including the outer ring, the rolling element and the hub axle are removably fixed to the motor and the wheel bearing fixing member with the outer ring being removably fixed to the wheel bearing fixing member so that the assembled body is removable from the motor and the wheel bearing fixing member in a bearing axial direction with the wheel bearing fixing member, the rotor and the stator staying attached to the chassis frame component.