| 摘要 |
A mixer assembly for generating and maintaining a motion within a volume of liquid, the mixer assembly including a motor, a drive shaft and a propeller connected to the drive shaft. When the propeller is in operation, it is driven by the motor and rotates about a propeller axis. The mixer assembly's motor comprises a stator and a hybrid type rotor. The hybrid rotor includes a rotor core comprising an annular radially outer section of asynchronous type and an annular radially inner section of synchronous type arranged radially inside the annular radially outer section.
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