Title:
ELECTRIC MOTOR INCLUDING OIL SPRAYING PART
Document Type and Number:
WIPO Patent Application WO/2018/235969
Kind Code:
A1
Abstract:
The present invention relates to an electric motor including an oil spraying part, the electric motor comprising: a case; a stator including a stator core disposed inside the case and a stator coil wound around the stator core; a rotor including a rotating shaft and being rotatably disposed with respect to the stator; and an oil spraying part including an oil stored in a lower part of the case, an oil passage through which the oil flows to an upper area of the case, and an oil pump for pumping the oil, so that the oil spraying part sprays the oil over an inner heating part of the case. Accordingly, the present invention can suppress occurrence of short-circuiting of an electric circuit caused by a cooling fluid and rapidly cool a heating part.
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Inventors:
LEE SUNGSOO (KR)
KANG YONGSOO (KR)
KIM JUNGHWAN (KR)
LIU SHUANG (KR)
JEONG SEUNGHYUN (KR)
KANG YONGSOO (KR)
KIM JUNGHWAN (KR)
LIU SHUANG (KR)
JEONG SEUNGHYUN (KR)
Application Number:
PCT/KR2017/006394
Publication Date:
December 27, 2018
Filing Date:
June 19, 2017
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02K9/16; H02K1/20; H02K9/18
Foreign References:
| JP2011135698A | 2011-07-07 | |||
| JP2007215307A | 2007-08-23 | |||
| JP2015027173A | 2015-02-05 | |||
| JP2010148272A | 2010-07-01 | |||
| CN105262280A | 2016-01-20 |
Other References:
See also references of EP 3644480A4
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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