Motor-driven wheel small in size and improved in ride...

Details Motor-driven wheel small in size and improved in ride... Motor-driven wheel small in size and improved in ride...

2007-07-17

2007-07-17

Restifo, Jeff (Department: 3618)

Motor vehicles

Power

Electric

C301S006500, C464S178000

Reexamination Certificate

active

11126229

ABSTRACT:
A motor-driven wheel includes a wheel disc, a wheel hub, a knuckle, a hub bearing, a constant-velocity joint, an in-wheel motor, and a spring. The center of swing of the constant-velocity joint is placed closer to the outside of the vehicle relative to the hub bearing. Since such components of the constant-velocity joint as an inner race, balls and a cage are placed differently in position from the hub bearing, the hub bearing can be reduced in diameter. An outer race of the constant-velocity joint is integrated with the wheel hub into a single part and has an opening facing the outside of the vehicle. Since the opening is large and shallow, the work of installing the cage, balls and inner race and securing them with a snap ring is facilitated.

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