Commutator and an armature

Details Commutator and an armature Commutator and an armature

2006-07-19

2008-08-19

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S151000

Reexamination Certificate

active

07414344

ABSTRACT:
A commutator main body11includes a plurality of commutator pieces13arranged along a circumference, the center of which is a rotation axis L of a motor, and a main body insulator14holding the commutator pieces. A short-circuit member12is arranged on an end portion of the commutator main body11and includes a short-circuit conductor21, which short-circuits predetermined ones of the commutator pieces, and a short-circuit insulator22, in which the short-circuit member is embedded. A boss is formed integrally with the short-circuit insulator so as to project from the end portion of the commutator main body.

REFERENCES:
patent: 5710473 (1998-01-01), Nobe et al.
patent: 6057626 (2000-05-01), Tanaka et al.
patent: 6181046 (2001-01-01), Daikoku et al.
patent: 6246141 (2001-06-01), Bailey
patent: 2005/0189841 (2005-09-01), Potocnik
patent: 2007/0069603 (2007-03-01), Terada et al.
patent: 2000-134873 (2000-05-01), None
patent: 2005137193 (2005-05-01), None

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