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Patent Searching and Data


Title:
MOTOR UNIT
Document Type and Number:
WIPO Patent Application WO/2020/067281
Kind Code:
A1
Abstract:
One embodiment of a motor unit according to the present invention is provided with a motor, a transmission mechanism, a housing, and a parking lock mechanism provided in the transmission mechanism. The transmission mechanism includes: a motor drive shaft; a motor drive gear fixed to the motor drive shaft; a counter shaft extending along a counter axis; a counter gear and a drive gear fixed to the counter shaft; a ring gear which meshes with the drive gear and which rotates about an output axis; and an output shaft which is connected to the ring gear and which rotates about the output axis. The motor drive shaft is a hollow shaft which is open at both sides in the axial direction of the motor axis. The output shaft passes through the interior of the motor drive shaft. The parking lock mechanism includes: a parking lock gear fixed to the counter shaft; a parking lock arm which meshes with the parking lock gear; and a parking lock actuator which drives the parking lock arm.

Inventors:
FUKUNAGA KEISUKE (JP)
MIYATA YOHEI (JP)
MURATA DAISUKE (JP)
MIZUTANI MASUMI (JP)
Application Number:
PCT/JP2019/037838
Publication Date:
April 02, 2020
Filing Date:
September 26, 2019
Export Citation:
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Assignee:
NIDEC CORP (JP)
NIDEC TOSOK CORP (JP)
International Classes:
F16H63/34; B60K1/00; B60T1/06
Foreign References:
JP2009121549A2009-06-04
JP2017067108A2017-04-06
JPS617461U1986-01-17
JP2018027003A2018-02-15
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