Guangdong Welling Motor Manufacturing Co., Ltd.

Midea Welling Motor Technology (shanghai) Co., Ltd.

Guangdong Meizhi Compressor Co., Ltd.

Jintao Chen

Di Wu

Yiming Hu

Hongxiao Wang

Ziqiang Zhu

Fei Wang

Ping Li

Tiantian Yan

Guangming Peng

Lidan Zhao

Z Q Zhu

Zq Zhu

A driving system having a hollow shaft, a solid shaft arranged in the hollow shaft, a stator, a rotor connected to the hollow shaft, a clutch mechanism selectively engaged to one of the stator and the rotor, and a speed reduction mechanism having a planetary carrier assembly engaged to the clutch mechanism, and a planetary gear train connected between the solid shaft and the rotor, wherein where the clutch mechanism is engaged to the stator in a transmission manner, the planetary carrier assembly is connected with the stator, and the rotor drives the solid shaft and the hollow shaft to operate at a differential speed, and where the clutch mechanism is engaged to the rotor in the transmission manner, the planetary carrier assembly is connected with the rotor, and the rotor drives the solid shaft and the hollow shaft to operate at a same speed by the planetary gear train.

Driving system of drum washing machine and drum washing machine

An electric motor () includes an excitation stator (), a salient-pole rotor () and an excitation rotor (), any two of the excitation stator (), the salient-pole rotor () and the excitation rotor () being rotatable relative to each other; and a switching actuator () configured to select at least one of the salient-pole rotor () and the excitation rotor () to serve as a rotor rotatable relative to the excitation stator () by selectively fixing relative positions of two of the excitation stator (), the salient-pole rotor () and the excitation rotor ().

Motor

A non-mechanical differential coaxial counter-rotating power device () includes an inner shaft (), an outer shaft (), a reluctance rotor (), a permanent magnet rotor (), a stator () and a driving device (). The outer shaft () is fitted over the inner shaft (), an end of the inner shaft () protruding from the outer shaft (). The reluctance rotor () is connected to one of the end of the inner shaft () and an end of the outer shaft (), and the permanent magnet rotor () is connected to the other one of the end of the inner shaft () and the end of the outer shaft (). The stator () is coaxially disposed with the reluctance rotor () and disposed at an inner side or an outer side of the reluctance rotor () opposite to the permanent magnet rotor (). The stator () includes a stator core () and a main winding () and an auxiliary winding (), and the main winding and the auxiliary winding are wound around the stator core (). The driving device () is connected to the main winding () and the auxiliary winding () to drive the main winding () and the auxiliary winding (), respectively.

Non-mechanical differential coaxial counter-rotating power device

An electric motor rotor () and an electric motor having the same are provided. The electric motor rotor () includes a rotor body () provided with a rotor bore () and a plurality of magnetic steel slots () surrounding the rotor bore (), in which an outer contour of the rotor body () includes a plurality of concentric arc segments () in concentric with the rotor bore () and a plurality of connecting line segments () connecting adjacent concentric arc segments (), and the connecting line segment () includes at least one straight line segment (), in which an included angle &#x3b2; between a central normal line of each straight line segment () and a connecting line between a midpoint of the straight line segment () and a center of the rotor bore () satisfies 0&#xb0;&#x2264;&#x3b2;&#x2264;20&#xb0;; and a plurality of magnetic steel bars ().

Motor rotor and motor having same

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Shanghai, China

Jintao Chen