Plain-English summary
Problem
How can vibration in electric motors and rotors be reduced?
Solution
hub motor includes a hub motor body, an axle extending into the hub motor body, a rotor coupled to the outer housing, a stator within the rotor and coupled to the axle, and a brake within the hub motor body.
Key novelty
The brake may include a brake pad spring-biased into braking engagement and moved out of braking engagement by an electromagnetic coil, such that the brake will fail into a braked state.
Applications
Patent review
Relevant search intents
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