Axially sliding contact type of a commutator, a rotor...

Details Axially sliding contact type of a commutator, a rotor... Axially sliding contact type of a commutator, a rotor...

2005-02-08

2005-02-08

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S081000

Reexamination Certificate

active

06853109

ABSTRACT:
An axially sliding contact type of a commutator which is capable of removing the problem related to a braking loose caused by magnetic force to prevent increase of consumed electricity, has a rotor including the commutator, and an electric motor having the rotor, in which a gap is axially formed. The commutator is of an axially contact type and comprises a plurality of metal plates made of copper and a noble metal layer coated on the metal plates in a state of disposing a separate layer between the metal plates and the noble metal layer. The separate layer is formed of Nickel plating having a non-magnetic property in a non-electrolysis manner.

REFERENCES:
patent: 4533848 (1985-08-01), Nakamura
patent: 6246143 (2001-06-01), Yamaguchi
patent: 6541891 (2003-04-01), Yamaguchi

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