Brushless direct-current motor of radial core type having a...

Details Brushless direct-current motor of radial core type having a... Brushless direct-current motor of radial core type having a...

2006-01-31

2006-01-31

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S043000

Reexamination Certificate

active

06992419

ABSTRACT:
A radial core type double rotor brushless direct-current motor is provided in which a double rotor structure is employed with inner and outer rotors which are doubly disposed and thus a stator core is completely divided. The motor includes a rotational shaft which is rotatably mounted on a housing of an apparatus, cylindrical inner and outer yokes which are rotatably mounted on the center of the housing, inner and outer rotors including a number of magnets which are mounted with the opposing polarities on the outer surface of the inner yoke and the inner surface of the outer yoke, and a number of cores assemblies which are installed between the inner and outer rotors in which a number of coils are wound around a number of division type cores, respectively.

REFERENCES:
patent: 6472788 (2002-10-01), Nakano
patent: 6710492 (2004-03-01), Minagawa

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