Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/133277
Kind Code:
A1
Abstract:
An in-wheel motor drive device (21) is configured in such a manner that a motor section (A), a speed reduction section (B), and a bearing section (C) for a wheel, which are sequentially arranged from the inboard side of a vehicle to the outboard side thereof, are held by a casing (22), the speed reduction section (B) being provided with: a speed reducer input shaft (25) rotated and driven by the motor section (A); and a speed reducer output shaft (28) for transmitting the rotation of the speed reducer input shaft (25), the speed of the rotation having been reduced, to the bearing section (C) for a wheel. The speed reducer output shaft (28) has a weakest section (W) at a position closer to the inboard side than the section where the speed reducer output shaft (28) and the bearing section (C) for a wheel are connected. Among the sections of the power transmission system of the device, the weakest section (W) has the lowest strength against external force inputted into the device.
Inventors:
YUKISHIMA RYOU (JP)
SUZUKI MINORU (JP)
UOZUMI TOMOHISA (JP)
SUZUKI MINORU (JP)
UOZUMI TOMOHISA (JP)
Application Number:
PCT/JP2015/054466
Publication Date:
September 11, 2015
Filing Date:
February 18, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
YUKISHIMA RYOU (JP)
SUZUKI MINORU (JP)
UOZUMI TOMOHISA (JP)
YUKISHIMA RYOU (JP)
SUZUKI MINORU (JP)
UOZUMI TOMOHISA (JP)
International Classes:
B60K7/00; F16H1/32
Domestic Patent References:
| WO2005023575A1 | 2005-03-17 |
Foreign References:
| JP2012148725A | 2012-08-09 | |||
| JP2013071599A | 2013-04-22 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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