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Patent Searching and Data


Title:
COMMUTATOR MOTOR
Document Type and Number:
Japanese Patent JP2005102462
Kind Code:
A
Abstract:

To provide a commutator motor that reduces the occurrence of nasty smell after the occurrence of an excessive spark between a commutator and a brush, the emission of smoke, and firing, and that improves reliability.

This commutator motor is provided with a stator, an armature, a commutator that is coupled to the armature, a brush that feeds electric power to the commutator, a brush sleeve into which the brush is inserted, a holder that holds the brush sleeve, and a detecting element that detects an excessive spark that occurs to the rectification end side of a brush tip. The motor is configured to stop when an excessive spark is detected by the detecting element.


Inventors:
TARUYA TAKAO
OTANI TOSHIO
KIMURA NORIAKI
SASAO MASANORI
Application Number:
JP2003405119A
Publication Date:
April 14, 2005
Filing Date:
December 03, 2003
Export Citation:
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Assignee:
SANYO ELECTRIC CO
International Classes:
H02P23/00; H02K13/00; H02K23/00; (IPC1-7): H02K13/00; H02K23/00; H02P7/36
Attorney, Agent or Firm:
Koji Fukui