Title:
STATOR, MOTOR, COMPRESSOR, AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/103668
Kind Code:
A1
Abstract:
A stator (100), a motor, a compressor (300), and an electrical device. The stator (100) comprises: multiple stator punching blocks (110), each stator punching block (110) comprising: multiple laminated sub-block punching sheets (115), the multiple sub-block punching sheets (115) being connected to form a stator punching sheet (120) along the circumferential direction of the stator (100); and welding portions (130), provided on the stator punching blocks (110), the welding portions (130) being used for connecting every two adjacent stator punching blocks (110), and each welding portion (130) comprising: at least two welding points. The stator punching blocks are connected by spot welding, the heat loss of a stator core can be reduced, a magnetic field can be prevented from weakening, and the reduction of efficiency of a motor can be avoided.
Inventors:
XU FEI (CN)
CHENG WEN (CN)
QIU XIAOHUA (CN)
ZHANG SU (CN)
JIANG BO (CN)
DING YUNXIA (CN)
CHENG WEN (CN)
QIU XIAOHUA (CN)
ZHANG SU (CN)
JIANG BO (CN)
DING YUNXIA (CN)
Application Number:
PCT/CN2022/129745
Publication Date:
June 15, 2023
Filing Date:
November 04, 2022
Export Citation:
Assignee:
ANHUI MEIZHI PREC MANUFACTURING CO LTD (CN)
International Classes:
H02K1/14; H02K3/52
Foreign References:
| CN114094731A | 2022-02-25 | |||
| CN114069909A | 2022-02-18 | |||
| CN114629258A | 2022-06-14 | |||
| JP2012205444A | 2012-10-22 | |||
| CN111630751A | 2020-09-04 | |||
| CN108233644A | 2018-06-29 |
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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