Title:
MOTOR ROTOR AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2023/108414
Kind Code:
A1
Abstract:
A motor rotor and a motor. The motor rotor comprises: a rotor shaft (1) provided with a central hole (12) for passage of a cooling medium; and a rotor main body (2) in torsion-resistant connection with the rotor shaft (1), a first cooling flow channel (2A) and a second cooling flow channel (2B) being formed inside the rotor main body (2), and the first cooling flow channel (2A) and the second cooling flow channel (2B) substantially extending in an axial direction (A) of the motor rotor. The upstream side of the first cooling flow channel (2A) and the downstream side of the second cooling flow channel (2B) are on the same side in the axial direction (A) of the motor rotor, while the downstream side of the first cooling flow channel (2A) and the upstream side of the second cooling flow channel (2B) are also on the same side in the axial direction (A) of the motor rotor. This arrangement allows flowing directions of the cooling medium in the first cooling flow channel (2A) and in the second cooling flow channel (2B) to be opposite to each other.
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Inventors:
LIU LEI (CN)
OUYANG PENG (CN)
SONG ZHIQIANG (CN)
OUYANG PENG (CN)
SONG ZHIQIANG (CN)
Application Number:
PCT/CN2021/137884
Publication Date:
June 22, 2023
Filing Date:
December 14, 2021
Export Citation:
Assignee:
SCHAEFFLER TECHNOLOGIES AG (DE)
LIU LEI (CN)
LIU LEI (CN)
International Classes:
H02K9/19; H02K1/32
Domestic Patent References:
| WO2021176309A1 | 2021-09-10 |
Foreign References:
| CN207098801U | 2018-03-13 | |||
| US5889342A | 1999-03-30 |
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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