High torque micro slice motor using a multipole ring magnet - ScienceDirect
Ring Magnets - Neodymium Magnets - SuperMagnetMan
FREE ENERGY WHEEL ~ Using Ring Magnets ~ EXPOSED! - YouTube
Radial Ring Magnet - N38 0.83"OD x 3/5"ID x 3/5" Radially Oriented Magnetized Unipolar Neodymium Magnets for Electric Motor Wind Generator (N Pole Outside): Amazon.com: Industrial & Scientific
electromagnetism - Can two-pole brushed DC motors have a ring magnet stator? - Engineering Stack Exchange
China Custom Neodymium Ring Magnet for Motor and Speaker manufacturers and suppliers | Eagle
Light powered Ring Magnet Pulse Motor - YouTube
Typical PM brushless motor rotor, with full-ring magnet. | Download Scientific Diagram
Axial 2-pole Radial Ring Ferrite Magnets for Electric Motor - Magnets By HSMAG
The difference between motor magnetic ring and magnet
Extruded Neodymium Magnets are available for brushless DC motors.