Title:
MOTOR
Document Type and Number:
Japanese Patent JP2021035095
Kind Code:
A
Abstract:
To provide a motor in which a bearing that pivotally supports a rotational shaft can be grounded to a yoke housing without increasing the number of components.SOLUTION: A brush holder 31 disposed in an opening portion of a conductive yoke housing having a bottomed tubular shape, holds a power supply brush 23 that comes into slide contact with a commutator 17 and a conductive bearing 22 that pivotally supports a rotational shaft. The rotational shaft and the bearing 22 are electrically connected. The brush holder 31 has a connection path 35 that electrically connects the bearing 22 and the yoke housing. The connection path 35 includes a conductive first contact portion 51 that is formed on a surface of the brush holder 31 and comes into contact with the bearing 22, a conductive second contact portion 52 that is formed on a surface of the brush holder 31 and comes into contact with the yoke housing, and a connection portion 53 that electrically connects the first contact portion 51 and the second contact portion 52.SELECTED DRAWING: Figure 2
Inventors:
NISHIO DAISUKE
Application Number:
JP2019150551A
Publication Date:
March 01, 2021
Filing Date:
August 20, 2019
Export Citation:
Assignee:
DENSO CORP
International Classes:
H02K5/14; H01R39/38; H02K7/14; H02K13/00; H02K23/00
Domestic Patent References:
| JP2015053803A | 2015-03-19 | |||
| JP2019124274A | 2019-07-25 | |||
| JP2017195685A | 2017-10-26 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda