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Patent Searching and Data


Title:
SMALL-SIZED DC MOTOR
Document Type and Number:
Japanese Patent JPH05292706
Kind Code:
A
Abstract:

PURPOSE: To provide a small-sized DC motor, in which a section between a commutator and a brush is lubricated excellently even at a low temperature and the duration of lubrication can be lengthened sufficiently even at a high temperature.

CONSTITUTION: A small-sized DC motor has a commutator 8 and a brush 9 slid on the commutator, and the inside of a motor case 1 is kept in the atmosphere of an organic solvent. Two kinds or more of organic solvents having different boiling points are mixed in the organic solvent, and the mixing ratio of the low boiling-point solvent in the organic solvents is set at 10-50wt.%.


Inventors:
FUJISAWA EIJI
KISHIDA SHINICHI
Application Number:
JP1992000118255
Publication Date:
November 05, 1993
Filing Date:
April 10, 1992
Export Citation:
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Assignee:
SANKYO SEIKI SEISAKUSHO KK
International Classes:
H02K13/00; H01R39/00; H02K23/00; (IPC1-7): H02K13/00; H02K23/00
Attorney, Agent or Firm:
Yoshio Ishibashi