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Patent Searching and Data


Title:
MOTOR ROTOR AND PERMANENT MAGNET MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/093774
Kind Code:
A1
Abstract:
A motor rotor and a permanent magnet rotor, wherein the motor rotor comprises: a rotating shaft (1); a magnetic layer (2), the magnetic layer (2) being fixedly sleeved on the rotating shaft (1); a first heat diffusion layer (3) which wraps an outer surface of a side of the magnetic layer (2) that is far from the rotating shaft (1) and which is used for preventing a part of a shielding layer (4) from overheating; and the shielding layer (4) which wraps a surface of a side of the first heat diffusion layer (3) that is far from the magnetic layer (2). The first heat diffusion layer (3) is disposed between the shielding layer (4) and magnetic layer (2) of the motor rotor, and the first heat diffusion layer (3) may prevent parts of the shielding layer (4) and the magnetic layer (2) from overheating, and provide the shielding layer with a heat dissipation effect.

Inventors:
JIA JINXIN (CN)
ZHANG XIAOBO (CN)
LIU JIANNING (CN)
ZHANG FANG (CN)
WEI QIONG (CN)
LI GUANGHAI (CN)
PENG LIMING (CN)
XIONG BOWEN (CN)
Application Number:
PCT/CN2019/104168
Publication Date:
May 14, 2020
Filing Date:
September 03, 2019
Export Citation:
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Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
H02K1/27; H02K9/22
Foreign References:
CN109149821A2019-01-04
CN208835866U2019-05-07
CN108110928A2018-06-01
CN203933192U2014-11-05
CN108711981A2018-10-26
JP2000050545A2000-02-18
Other References:
See also references of EP 3869671A4
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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