US 12,726,054 B2Granted

Electric motor

AssigneeAAC Microtech (Changzhou) Co., Ltd.

InventorsLubin Mao, Wei Song, Xiujiang Si

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Abstract

The present application provides an electric motor, belonging to the technical field of electric motors, including a plurality of magnetic steels arranged in a circumferential direction around a rotating shaft. two adjacent magnetic steels have opposite magnetic polarities at one end proximate to the rotating shaft, and two adjacent magnetic steels have opposite magnetic polarities at the other end; the magnetic steels are sintered magnetic steels. In this way, the plurality of sintered magnetic steels are separately molded and then spliced, so the magnetic circuit performance can be enhanced while simplifying the assembly process to meet the assembly requirements of different-sized motors. This approach will improve stability and reliability, thereby enhancing the driving performance of the motor. As a result, it achieves the technical effect of improving the driving performance of the motor.

Claims9

Dependent claims

An electric motor, comprising:

a plurality of magnetic steels arranged in a circumferential direction around a rotating shaft;
wherein two adjacent magnetic steels have opposite magnetic polarities at one end proximate to the rotating shaft, and two adjacent magnetic steels have opposite magnetic polarities at the other end;
the magnetic steels are sintered magnetic steels;
a first claw pole;
a second claw pole;
and
a first plastic member arranged outside the rotating shaft comprising a plurality of spaced-apart first limit grooves and a second limit groove arranged between two adjacent first limit grooves;
wherein the first claw pole comprises a first claw disc and a plurality of first claw fingers connected to the first claw disc, wherein the first claw fingers are embedded in the first limit grooves correspondingly;
the second claw pole comprises a second claw disc and a plurality of second claw fingers connected to the second claw disc, wherein the second claw fingers are embedded in the second limit grooves correspondingly, and each of the second claw fingers is provided between two adjacent first claw fingers.

6 more elements

Dependencies are inferred from the claim text.