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Patent Searching and Data


Title:
MOTOR UNIT
Document Type and Number:
WIPO Patent Application WO/2019/208083
Kind Code:
A1
Abstract:
An embodiment of the present invention provides a motor unit which rotates an axle of a vehicle. The motor unit is provided with: a motor which has a hollow cylindrical motor shaft rotating about a motor axis; a transmitting mechanism which is connected to the motor shaft and which transmits the power of the motor to an output shaft; a housing which contains the motor and the transmitting mechanism; an oil passage which is provided within the housing; and a first oil pump which circulates oil through the oil passage. The oil passage has a first oil passage section which connects the first oil pump and the inside of the motor shaft. The first oil pump is an electrically driven oil pump.

Inventors:
YAMAGUCHI,Yasuo (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
FUJIHARA,Hisashi (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
NAKAMURA,Keigo (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
HIWA,Takahiro (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/013510
Publication Date:
October 31, 2019
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K9/19; F16H57/04; H02K7/116
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