Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/163480
Kind Code:
A1
Abstract:
A wheel hub bearing section (11) has: an outer ring (12) adapted to be joined to a wheel (W) disposed on one side of the wheel hub bearing section in the direction of the axis (O) thereof; a stationary shaft (15) passed through the center hole of the outer ring; and a plurality of rolling bodies (14) arranged in the annular space between the outer ring and the stationary shaft. A motor section (21) and a speed reduction section (31) are disposed offset from the axis of the wheel hub bearing section in the direction normal to the axis. The motor section is disposed adjacent to the other axial end (15r) of the stationary shaft. The speed reduction section has: an output gear (40) coupled with the outer ring; and a rolling bearing (41) provided between the output gear and the stationary shaft and rotatably supporting the output gear. A carrier (18) is disposed on the other axial side of the wheel hub bearing section and is affixed to the other axial end of the stationary shaft.
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Inventors:
TAMURA SHIRO (JP)
TAIKOU SHINYA (JP)
TAIKOU SHINYA (JP)
Application Number:
PCT/JP2016/082962
Publication Date:
September 28, 2017
Filing Date:
November 07, 2016
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60K7/00; B60B35/14; B60B35/18
Foreign References:
| US20130088068A1 | 2013-04-11 | |||
| US20120312608A1 | 2012-12-13 | |||
| JP2011517638A | 2011-06-16 | |||
| JP2014073730A | 2014-04-24 | |||
| JP2012183981A | 2012-09-27 |
Other References:
See also references of EP 3434504A4
Attorney, Agent or Firm:
IMY INTERNATIONAL PATENT OFFICE, P.C. (JP)
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