Title:
STATOR ASSEMBLY, MOTOR, AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/108887
Kind Code:
A1
Abstract:
The present application provides a stator assembly, a motor, and an electrical device. The stator assembly comprises: stator main teeth, wherein each stator main tooth comprises a tooth body and a tooth shoe, the tooth shoe is connected to one end of the tooth body, at least two auxiliary teeth are provided at the end of the tooth shoe furthest from the tooth body, and slots are each formed between two adjacent auxiliary teeth; and permanent magnets provided in the slots. According to the stator assembly provided by the present application, a permanent magnet is provided in a slot between adjacent auxiliary teeth, so that a magnetic flux density harmonic component generated by the modulation between the stator assembly and a rotor assembly is further increased, more working harmonics are generated, and an output torque of the motor is further improved.
Inventors:
FENG YANLI (CN)
GE MENG (CN)
LI WENRUI (CN)
GE MENG (CN)
LI WENRUI (CN)
Application Number:
PCT/CN2022/077370
Publication Date:
June 22, 2023
Filing Date:
February 23, 2022
Export Citation:
Assignee:
WELLING WUHU MOTOR MFG CO LTD (CN)
MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)
MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)
International Classes:
H02K1/14; H02K1/16; H02K3/04; H02K3/12
Foreign References:
| CN114069910A | 2022-02-18 | |||
| CN114069911A | 2022-02-18 | |||
| CN114069912A | 2022-02-18 | |||
| CN103647423A | 2014-03-19 | |||
| US5773908A | 1998-06-30 | |||
| US5057733A | 1991-10-15 | |||
| CN112953046A | 2021-06-11 | |||
| CN108900055A | 2018-11-27 |
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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