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Title:
ELECTRIC MOTOR HAVING ADJUSTABLE MAGNETIC FIELD, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/216508
Kind Code:
A1
Abstract:
An electric motor having an adjustable magnetic field, and a vehicle. An excitation ring assembly of the electric motor having an adjustable magnetic field comprises an excitation ring and an excitation winding, wherein the excitation ring has an outer ring wall and an inner ring wall, and the excitation winding is arranged between the outer ring wall and the inner ring wall. An excitation rotor of the electric motor having an adjustable magnetic field comprises a rotor core and a plurality of first permanent magnets, wherein the rotor core is provided with first magnetic pole fitting portions, second magnetic pole fitting portions, first magnetic pole forming regions and second magnetic pole forming regions, the first magnetic pole forming regions and the second magnetic pole forming regions being alternately arranged in a circumferential direction; and the first magnetic pole fitting portions correspond to the first magnetic pole forming regions, the second magnetic pole fitting portions correspond to the second magnetic pole forming regions, and the plurality of first permanent magnets correspond to the first magnetic pole forming regions and the second magnetic pole forming regions, so that first magnetic poles are formed in the first magnetic pole forming regions, and second magnetic poles are formed in the second magnetic pole forming regions. The outer ring wall corresponds to the first magnetic pole fitting portions and second air gaps are formed therebetween, and the inner ring wall corresponds to the second magnetic pole fitting portions and third air gaps are formed therebetween.

Inventors:
LIN XIAOZHE (CN)
TAN YANJUN (CN)
YU HAISHENG (CN)
HAN TAO (CN)
WANG ZHEN (CN)
ZHANG SHENGCHUAN (CN)
LI GUOJUN (CN)
NI LIANGJUN (CN)
GUAN LIANGWEI (CN)
XIONG XUEBO (CN)
JING YUNYONG (CN)
FANG LIANG (CN)
Application Number:
PCT/CN2022/126188
Publication Date:
November 16, 2023
Filing Date:
October 19, 2022
Export Citation:
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Assignee:
WUXI INFIMOTION PROPULSION TECH CO LTD (CN)
WUXI INFIMOTION TECH CO LTD (CN)
GEELY HOLDING GROUP CO LTD (CN)
International Classes:
H02K1/276
Foreign References:
CN114844260A2022-08-02
CN114389422A2022-04-22
CN111555493A2020-08-18
JP2000041367A2000-02-08
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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