Title:
整流子、モータ、整流子の製造方法
Document Type and Number:
Japanese Patent JP6667471
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable a reduction of a manufacturing cost of a commutator.SOLUTION: A commutator has a plurality of segments annularly arrayed at a constant interval, and a resin portion arranged at an inner peripheral side of the plurality of segments and formed integrally with the plurality of segments. The resin portion has a groove portion hollowed to the inner peripheral side in a gap between segments adjacent to each other of the plurality of segments, and respective thickness of the plurality of segments are thinner as they are closer to the groove portion.SELECTED DRAWING: Figure 8
Inventors:
Yoshio Kawada
Tsukasa Taniguchi
Shinji Nemoto
Kazuhiro Saito
Tsukasa Taniguchi
Shinji Nemoto
Kazuhiro Saito
Application Number:
JP2017063642A
Publication Date:
March 18, 2020
Filing Date:
March 28, 2017
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
H02K13/00; H02K15/02
Domestic Patent References:
JP61280729A | ||||
JP2012175759A | ||||
JP8019223A | ||||
JP2008236860A | ||||
JP53084007U | ||||
JP2001286102A | ||||
JP2000139060A | ||||
JP58212347A | ||||
JP2004129429A | ||||
JP200660895A |
Foreign References:
US4559464 |
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office