The non-contact type magnetic gear using permanent magnets can rotate at high speed (60,000rpm) with low vibration and low noise, and with one input shaft, it can be implemented a simple structure of contra-rotating propeller with two output shafts.
Acceleration Gear For Wind Power Generation
Contra-rotating Propeller Gear For Drones
High Speed Accelerating/Decelerating Gear
Contra-rotating Propeller Gear For Ships
Contra-rotating Propeller Gear For Underwater Propulsion