Title:
SMALL-SIZED MOTOR
Document Type and Number:
Japanese Patent JPS60162445
Kind Code:
A
Abstract:
PURPOSE:To prevent the surface of commutator segments from damaging by friction by mounting a member which impregnates ketones having -CO- polarity group on part in a motor case. CONSTITUTION:A felt 14 is disposed near the side 3 of a commutator on a bracket 12. The felt 14 has a linear carbon bond or a side chain, and a sole or a plurality of ketones having a -CO- polarity group. The atmosphere in a motor case made of a motor housing 13 and a bracket 12 becomes vapor atmosphere with the ketones.
Inventors:
TAKAO HIROSHI
UDA SHIGENORI
KONDOU SHIGERU
UDA SHIGENORI
KONDOU SHIGERU
Application Number:
JP1654584A
Publication Date:
August 24, 1985
Filing Date:
January 31, 1984
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01R39/20; H01R39/00; H01R39/39; H01R39/56; H02K13/00; (IPC1-7): H01R39/00
Attorney, Agent or Firm:
Akira Kobiji (2 outside)