Title:
IN-WHEEL MOTOR
Document Type and Number:
WIPO Patent Application WO/2024/029260
Kind Code:
A1
Abstract:
An in-wheel motor (30, 330) comprises: a tubular bracket part (70, 170, 370) that is fixed to a chassis part (20) of a mobile body; a stator (50, 350) that is connected to the bracket part; a rotor (40, 340) that has a field pole and a shaft (31, 131, 331) extending in the vehicle width direction and is connected to a wheel (10); a bearing (60, 160, 360) that rotatably supports the shaft; and a rotation angle sensor (80, 380). The rotation angle sensor has: a rotor-side sensor unit (81, 381) that is attached to the shaft at a position facing the inner circumferential surface of the bracket part in the radial direction and that extends radially outward; and a bracket-side sensor unit (82, 382) that outputs a signal according to the rotation angle of the rotor-side sensor unit. A measurement from the outermost radial end of the rotor-side sensor unit to the rotation center of the rotor-side sensor unit is smaller than the radial measurement of the bearing.
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Inventors:
ENOKIZONO KAZUYA (JP)
HORIHATA HARUMI (JP)
AKAMA SADAHIRO (JP)
KAWAI KEISUKE (JP)
HORIHATA HARUMI (JP)
AKAMA SADAHIRO (JP)
KAWAI KEISUKE (JP)
Application Number:
PCT/JP2023/024891
Publication Date:
February 08, 2024
Filing Date:
July 05, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
B60K7/00; H02K7/14; H02K11/225
Foreign References:
| JP2013129283A | 2013-07-04 | |||
| JP2020129878A | 2020-08-27 | |||
| JP2017185867A | 2017-10-12 | |||
| JP2018052482A | 2018-04-05 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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