Title:
OIL-WATER COMBINED COOLING ELECTRIC MOTOR SYSTEM, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/037263
Kind Code:
A1
Abstract:
An oil-water combined cooling electric motor system and a vehicle. The electric motor system comprises a housing, a stator, and a rotor. A first oil channel is provided in the housing and extends to a position between the housing and a stator core; an oil spray member is arranged on an inner side of the housing and located at an end of the stator core, and the oil spray member is provided with an oil spray hole which is in communication with the first oil channel; a water channel is provided in the housing and is overlapped and staggered with at least part of the first oil channel; an oil guide member is arranged on a rotor shaft and located at an end of a rotor iron core; and a second oil channel comprises an oil inlet flow channel on the rotor shaft, a magnet cooling flow channel between the rotor iron core and a magnet, and an oil guide flow channel and a first oil throwing flow channel which are provided in the oil guide member, with the oil guide flow channel being configured to be in communication with the oil inlet flow channel and the magnet cooling flow channel, and the first oil throwing flow channel being configured to at least throw cooling oil to an end winding.
Inventors:
GAO YI (CN)
ZHAO HUICHAO (CN)
XU DECAI (CN)
LI QUAN (CN)
LIU JINFENG (CN)
WEN YANDONG (CN)
ZHANG YING (CN)
CANG YAN (CN)
WANG HONGBAO (CN)
HOU YIPENG (CN)
ZHAO HUICHAO (CN)
XU DECAI (CN)
LI QUAN (CN)
LIU JINFENG (CN)
WEN YANDONG (CN)
ZHANG YING (CN)
CANG YAN (CN)
WANG HONGBAO (CN)
HOU YIPENG (CN)
Application Number:
PCT/CN2021/103018
Publication Date:
February 24, 2022
Filing Date:
June 29, 2021
Export Citation:
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
H02K9/19; H02K1/20; H02K1/32; H02K3/24; H02K5/20
Domestic Patent References:
| WO2020013466A1 | 2020-01-16 |
Foreign References:
| CN111969791A | 2020-11-20 | |||
| CN109756056A | 2019-05-14 | |||
| CN109038951A | 2018-12-18 | |||
| CN106787452A | 2017-05-31 |
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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