Flat rotor and motor comprising the same

Details Flat rotor and motor comprising the same Flat rotor and motor comprising the same

2005-06-21

2005-06-21

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S071000, C310S081000, C310S235000

Reexamination Certificate

active

06909206

ABSTRACT:
For the purpose of preventing resin from flowing into a commutator when resin molding a rotor, a rotor for a flat coreless motor comprises a printed wiring board, on one side of which a plurality of air-cored armature coils are provided, and on the other side of which a plurality of segment patterns constituting a commutator and a wiring pattern are provided. These members are molded with resin into a unitary body with the segment patterns exposed. Wiring pattern parts are provided so as to surround the outer periphery of the commutator.

REFERENCES:
patent: 4728833 (1988-03-01), Shiraki et al.
patent: 6507136 (2003-01-01), Yamaguchi
patent: 6674202 (2004-01-01), Yamaguchi
patent: 2002/0175575 (2002-11-01), Nishikata et al.
patent: 2004/0189130 (2004-09-01), Hovanky et al.
patent: 10-248229 (1998-09-01), None

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