Water Cooled Outrunner Motor

Project requirements

Based on our high torque frameless motors this water cooled PMSM outrunner was developed. A high efficiency motor with a very high power density of >1.2 kW/kg is obtained by implementing water cooling in combination with an optimized electromechanical design. The sensor-less motor can be driven with off the shelve inverters suitable to support PMSM motors. This configuration provides a cost efficient overall solution.

Furthermore the motor can be adapted to customer specific mechanical and electrical requirements.


Key features:

•  High torque density
•  High efficiency
•  Transmission not required
•  High reliability and lifetime
•  Maintenance free
•  Quiet operation

water cooled outrunner motor , Wassergekühlter Außenläufermotor
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