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Patent Searching and Data


Title:
DRIVE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/216043
Kind Code:
A1
Abstract:
One embodiment of the drive apparatus according to the present invention is provided with: a motor having a motor shaft that rotates about a motor axis extending in a first direction; a reduction gear; a differential gear which rotates a drive shaft about a differential axis; a housing which has a motor housing part and a gear housing part disposed on one side of the motor housing part in the first direction and which stores oil therein; and an oil cooler for cooling oil. The differential axis is aligned with the motor axis. The motor shaft is a hollow shaft having openings on both sides in the axial direction thereof. The drive shaft passes through the inside of the motor shaft. The gear housing part has a counter gear housing part for housing a counter gear of the reduction gear. The counter gear housing part protrudes beyond one side of the motor housing part in a second direction that is orthogonal to the first direction. At least a part of the oil cooler is positioned on one side of the motor housing part in the second direction and situated on the other side of the counter gear housing part in the first direction.

Inventors:
FUKUNAGA,Keisuke (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
ISHIKAWA,Yuki (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/012732
Publication Date:
November 14, 2019
Filing Date:
March 26, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
F16H57/04; B60K1/00; B60K17/12; B60K17/16; H02K7/116; H02K9/19; H02K11/33; B60K17/06
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