Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/002571
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an in-wheel motor drive device that is small and lightweight and that has excellent lubrication performance and improved durability. The invention provides an in-wheel motor drive device equipped with a lubrication mechanism in the interior, the in-wheel motor drive device characterized in that the outer periphery of a torque transmission part of a reduction gear input shaft (25) is fitted with the inner periphery of the torque transmission part of a motor rotating shaft (24), lubricating oil channels (24a), (25c) constituting part of the lubrication mechanism are formed in the respective interiors of the motor rotating shaft (24) and the reduction gear input shaft (25), and a hollow pipe member (80), (80') forming the lubricating oil channel (24a) is fitted into the motor rotating shaft (24).
Inventors:
UOZUMI TOMOHISA (JP)
ENSOU TOSHIAKI (JP)
SUZUKI KENICHI (JP)
ENSOU TOSHIAKI (JP)
SUZUKI KENICHI (JP)
Application Number:
PCT/JP2015/067971
Publication Date:
January 07, 2016
Filing Date:
June 23, 2015
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
UOZUMI TOMOHISA (JP)
ENSOU TOSHIAKI (JP)
SUZUKI KENICHI (JP)
UOZUMI TOMOHISA (JP)
ENSOU TOSHIAKI (JP)
SUZUKI KENICHI (JP)
International Classes:
B60K7/00; F16H1/32; F16H57/04; H02K9/19
Domestic Patent References:
| WO2012105482A1 | 2012-08-09 |
Foreign References:
| JP2010121701A | 2010-06-03 | |||
| JP2009063043A | 2009-03-26 | |||
| JP2011189919A | 2011-09-29 | |||
| JP2012077848A | 2012-04-19 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
Kunihiko Shiromura (JP)
Kunihiko Shiromura (JP)
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