Title:
IN-WHEEL MOTOR DRIVE UNIT
Document Type and Number:
WIPO Patent Application WO/2007/102545
Kind Code:
A1
Abstract:
An in-wheel motor drive unit (21) comprising a casing (22), a motor unit (A), a
decelerating unit (B), a wheel hub (31), and a wheel hub bearing (33) for rotataly
supporting the wheel hub (31) on the casing (22). The wheel hub bearing (33) includes
first and second outside raceway surfaces (33a, 33b) provided on the inner diameter
surface of the casing (22), a first inside raceway surface (33c) provided on the
outer diameter surface of a wheel-side rotating member (30) to face the first
outside raceway surface (33a), a second inside raceway surface (33d) provided
on the outer diameter surface of the wheel hub (31) to face the second outside raceway
surface (33b), and a plurality of rolling elements (33e) disposed between the
outside raceway surfaces (33a, 33b) and the inside raceway surfaces (33c, 33d).
Inventors:
SUZUKI MINORU (JP)
Application Number:
PCT/JP2007/054442
Publication Date:
September 13, 2007
Filing Date:
March 07, 2007
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
SUZUKI MINORU (JP)
SUZUKI MINORU (JP)
International Classes:
F16H1/32; B60K7/00; F16C19/18; F16C33/64; F16C35/063; F16H1/36
Foreign References:
| JP2001315534A | 2001-11-13 | |||
| JP2005256898A | 2005-09-22 | |||
| JPH11287300A | 1999-10-19 |
Attorney, Agent or Firm:
ITOH, Hidehiko et al. (Kyowa Shimanouchi Bldg. 21-19, Shimanouchi 1-chome, Chuo-ku, Osaka-sh, Osaka 82, JP)
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