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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 (JP)
FUJIHARA HISASHI (JP)
NAKAMURA KEIGO (JP)
HIWA TAKAHIRO (JP)
Application Number:
JP2019/013510
Publication Date:
October 31, 2019
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
NIDEC CORP (〒6018205, JP)
International Classes:
H02K9/19; F16H57/04; H02K7/116
Domestic Patent References:
WO2018062107A12018-04-05
WO2018030322A12018-02-15
WO2018030372A12018-02-15
WO2018030374A12018-02-15
Foreign References:
JP2012175899A2012-09-10
JP2002058207A2002-02-22
JP2017114477A2017-06-29
JP2018024405A2018-02-15
JP2015218869A2015-12-07
JP2008312343A2008-12-25
JP2018057183A2018-04-05
JP2012060785A2012-03-22
JP2017028798A2017-02-02
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