Title:
DC MOTOR WITH BRUSH
Document Type and Number:
Japanese Patent JP2018007489
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a DC motor with a brush capable of adding a rotation detection function by a small change in a structure.SOLUTION: A DC motor 10 with a brush comprises a brush device 20, an armature 22, a choke coil 44, and a hall element 46. The brush device 20 has a brush 24. The armature 22 has a commutator 30 slide-contacted with the brush 24. The choke coil 44 is connected in series to the brush 24. The hall element 46 detects a magnetic flux generated from the choke coil 44, and outputs a signal depending on a rotation number of the armature 22.SELECTED DRAWING: Figure 2
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Inventors:
IIZUKA TATSUYA
Application Number:
JP2016134515A
Publication Date:
January 11, 2018
Filing Date:
July 06, 2016
Export Citation:
Assignee:
ASMO CO LTD
International Classes:
H02K11/215; H02K11/026; H02K13/00; H02K13/06
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda