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Patent Searching and Data


Title:
FLAT WIRE STATOR ASSEMBLY AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2021/237991
Kind Code:
A1
Abstract:
Disclosed in the present invention are a flat wire stator assembly and a motor, the flat wire stator assembly comprising a stator core and a stator winding. All hairpin coils are divided into a first hairpin coil group, a second hairpin coil group, and a third hairpin coil group. The hairpin coils in the first hairpin coil group are located at a first layer, the hairpin coils in the second hairpin coil group are evenly distributed at T-th, (T+1)-th, ..., (L-1)-th layers, respectively, and the hairpin coils in the third hairpin coil group are located at the L-th layer; and the stator winding comprises M parallel sub-windings composed of hairpin coils in series that are distributed in different installation slots, have different magnetic poles, and located at different layers, and each of the sub-windings is composed of some or all of the hairpin coils in series from each of the first hairpin coil group, the second hairpin coil group, and the third hairpin coil group. The present invention requires few types of hairpin coils and achieves a simple stator assembly forming structure, thus facilitating production.

Inventors:
HAN YONGJIE (CN)
LIU JUN (CN)
FENG YINGYING (CN)
Application Number:
PCT/CN2020/117206
Publication Date:
December 02, 2021
Filing Date:
September 23, 2020
Export Citation:
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Assignee:
SHANGHAI VMAX NEW ENERGY CO LTD (CN)
International Classes:
H02K1/16; H02K3/04; H02K3/12; H02K3/28; H02K3/34; H02K3/50
Foreign References:
CN111478465A2020-07-31
CN111106692A2020-05-05
CN110011450A2019-07-12
CN104124803A2014-10-29
Attorney, Agent or Firm:
SHENZHEN KANGHONG INTELLECTUAL PROPERTY AGENT CO., LTD. (CN)
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