Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR UNIT AND VEHICLE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/208081
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 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 provided within the housing; an electrically driven oil pump which circulates oil through the oil passage; and an oil cooler in which part of the oil passage is disposed and which cools the oil. The oil cooler is disposed on the upper part of the housing, which is on the side vertically opposite a road surface.

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:
JP2019/013508
Publication Date:
October 31, 2019
Filing Date:
March 28, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
F16H57/04; B60K6/40; B60K6/52; B60K11/04; F16H57/025; H02K9/19
Foreign References:
JPH0898464A1996-04-12
JP2004285757A2004-10-14
JP2011148445A2011-08-04
JP2012235579A2012-11-29
Download PDF: