Title:
MOTOR UNIT
Document Type and Number:
WIPO Patent Application WO/2019/208421
Kind Code:
A1
Abstract:
One embodiment of a motor unit according to the present invention is provided with a motor, a housing which contains the motor, and oil which is contained in the housing. The shaft of the motor is rotatably supported by a bearing held by the housing. The housing has provided therein an oil passage through which oil is circulated and by which the oil is supplied to the motor from above the motor. The oil passage is provided with a reservoir which is located above the motor and which stores oil. The reservoir has a main gutter which extends in an axial direction and which receives oil supplied from the upstream side of the oil passage, and a side gutter which extends to one circumferential side from one axial end of the main gutter. The side gutter is provided with an outflow opening which supplies oil within the reservoir to a coil end of the motor, and a bearing supply opening which supplies the oil within the reservoir to the bearing.
Inventors:
NAKAMATSU SHUHEI (JP)
ISHIKAWA YUKI (JP)
ISHIKAWA YUKI (JP)
Application Number:
PCT/JP2019/016777
Publication Date:
October 31, 2019
Filing Date:
April 19, 2019
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K9/19; H02K5/20
Foreign References:
| JP2011259644A | 2011-12-22 | |||
| JP2018027003A | 2018-02-15 | |||
| JP2014107887A | 2014-06-09 | |||
| JP2014107905A | 2014-06-09 |
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