Electric Commutation and motive devices

Brush Bearings where voltages/surges/electromagnetic pulse could cause failures of solid state devices Problem solved is to minimize vulnerability where electronics will fail due to environment and provide a physical solution to controlling voltage/current switching.
1. Customer is mostly the industry where voltage spikes or emf could damage equipment and that requires commutation
2. Non standard bearing and so will add to the time needed to create implemented system
3. Removes cost of electronics and is more durable in harsh environments, and for mission critical devices like life support pumps and ventilation. May be useful for space where motive actions are needed that do not rely on solid state
Magnetic circuit rotor for low cost use of many pole permanent magnet motor. (premium replacement for Motors/Generators Problem solved is to allow fewer/stronger magnets for more efficient devices by making several separate functional pole pair segments such as low rpm motor/alternator
1. Broad customer base where efficiency and torque is key
2. Well suited for high torque like transportation
3. Permanent magnets add to the initial cost that should be offset from higher efficiency, multi magnetic pole creation, and less transmission components
4. Allows modified use of 3 phase winding to all be used together or placed in series.