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Title:
MOTOR UNIT
Document Type and Number:
WIPO Patent Application WO/2019/194073
Kind Code:
A1
Abstract:
One embodiment of this motor unit is a motor unit connected to an engine and comprising a generator, a motor, a transmission mechanism, a housing, oil, and a pump provided to the transmission mechanism and driven by motive power of the engine. A first oil path and a second oil path for circulating the oil are provided in an accommodation space in the housing. The first oil path supplies oil from a lower region of the accommodation space to the interior of the motor. The second oil path has a suction channel connecting the lower region of the accommodation space to a suction opening of the pump, and a first and second branch channel branching from each other at a discharge opening of the pump. The first branch channel extends from the discharge opening to immediately above the motor, and supplies oil to the motor from the upper side of the motor. The second branch channel supplies oil from the discharge opening to the generator.

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)
Application Number:
JP2019/013688
Publication Date:
October 10, 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:
B60K6/40; B60K6/36; B60K6/405; B60K6/442; B60K17/04; B60K17/06; B60L50/16; F16H57/04; H02K9/19
Domestic Patent References:
WO2018030372A12018-02-15
WO2012046307A12012-04-12
Foreign References:
JP2010036819A2010-02-18
JP2000335263A2000-12-05
JP2017132282A2017-08-03
JPS511862A1976-01-09
JPH0776229A1995-03-20
JP2015154519A2015-08-24
US20160178548A12016-06-23
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