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Patent Searching and Data


Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/159920
Kind Code:
A1
Abstract:
This in-wheel motor drive device (10) comprises: a vehicle wheel hub bearing (11) having an inner race (12), an outer race (13), and a plurality of rolling elements disposed in an annular gap between the inner race and the outer race, the hub bearing being accommodated in an inner empty region of a load wheel (W) of a vehicle wheel; a motor rotating shaft that drives the inner race; and a hub attachment (61) having a smaller diameter than the load wheel (W), accommodated in the inner empty region of the load wheel (W), secured to the outer race (13) by a first bolt (62), and secured to a body casing (39) by a second bolt (15).

Inventors:
TAIKOU, Shinya (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
TAMURA, Shiro (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
SUGIURA, Saori (1578 Higashikaizuka, Iwata-sh, Shizuoka 10, 〒4388510, JP)
Application Number:
JP2019/004949
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
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Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
B60K7/00; F16C19/18; F16C35/077; F16D65/12; F16D65/46
Foreign References:
JP2015054659A2015-03-23
US20140374178A12014-12-25
Attorney, Agent or Firm:
IMY INTERNATIONAL PATENT OFFICE, P.C. (Oriental Sakaisuji Bldg, 21-19 Shimanouchi 1-chome, Chuo-ku, Osaka-sh, Osaka 82, 〒5420082, JP)
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