Title:
POWER DEVICE FOR VEHICLE AND BEARING FOR WHEEL WITH POWER GENERATOR
Document Type and Number:
WIPO Patent Application WO/2022/270381
Kind Code:
A1
Abstract:
A power device for vehicle (1) comprises: bearing for wheel (2) of an outer ring rotating type; and a motor for traveling (3) with a power generation function including a stator (18) mounted on an inner ring (5) and a rotor (19) mounted on an outer ring (4). The bearing for wheel (2) and the motor for traveling (3) with power generation function are smaller in diameter than the outer periphery of a brake rotor and the motor for traveling (3) with power generation function is positioned in an axial range between a wheel mounting flange (7) and an outboard side surface (8a) of a knuckle (8). A bracket (24) interposed between the knuckle (8) and the inner ring (5) is provided. Both a cooling channel (39) and an inner ring cooling means (26) are provided, the cooling channel (39) being provided on the contact surface between the bracket (24) and the knuckle (8) opposed to each other, and the inner ring cooling means (26) cooling the inside of the inner ring (5).
Inventors:
YADA YUUJI (JP)
Application Number:
PCT/JP2022/023985
Publication Date:
December 29, 2022
Filing Date:
June 15, 2022
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B60K7/00; B60B35/14; F16C19/18; F16C37/00; H02K7/08
Foreign References:
| CN111262360A | 2020-06-09 | |||
| KR101323777B1 | 2013-10-29 | |||
| CN108482105A | 2018-09-04 | |||
| JP2020129893A | 2020-08-27 | |||
| KR20140044701A | 2014-04-15 | |||
| JP2007269129A | 2007-10-18 | |||
| JP2018052482A | 2018-04-05 | |||
| JP2019119360A | 2019-07-22 |
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
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