Title:
直流モータ及び直流モータの製造方法
Document Type and Number:
Japanese Patent JP6657678
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a DC motor capable of easily securing coaxial property between commutators and feed brushes.SOLUTION: The DC motor includes: a brush holder 41 fixed to an end frame 22 and having a plurality of brush boxes 44 disposed at equal intervals in the circumferential direction; and a plurality of feed brushes 42 respectively housed in the plurality of brush boxes 44 to slidably contact to commutators. The brush holder 41 includes a plurality of plate side holding units 48 (bearing holding units) for holding an outer lace 26a of a ball bearing 26. The arrangement position of each plate side holding unit 48 is set at a circumferential direction center position between brush boxes 44 mutually neighboring in the circumferential direction.SELECTED DRAWING: Figure 3
Inventors:
Mizuno Yosuke
Application Number:
JP2015170564A
Publication Date:
March 04, 2020
Filing Date:
August 31, 2015
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H02K13/00; H02K15/02; H02K23/00
Domestic Patent References:
| JP2003023746A | ||||
| JP2006087243A | ||||
| JP2000014073A | ||||
| JP7506957A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda