Fan motor, BLDC motor, and rotor for the BLDC motor

Details Fan motor, BLDC motor, and rotor for the BLDC motor Fan motor, BLDC motor, and rotor for the BLDC motor

2011-01-11

2011-01-11

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156530, C310S156570, C310S156580, C310S156480

Reexamination Certificate

active

07868502

ABSTRACT:
A BLDC motor is provided. The BLDC motor includes a stator having a plurality of teeth formed at an inside thereof, a plurality of coils, each of the plurality of coils being wound around a corresponding tooth of the stator, a rotor located at the inside of the stator, a plurality of magnets located at an edge portion of the rotor, a plurality of magnet placement portions located on the rotor, each magnet placement portion having a first and second barrier formed at opposite ends of the magnet placement portion, the first barrier and second barrier of adjacent magnet placement portions being separated by a gap portion, each of the plurality of magnets being inserted into a corresponding magnet placement portion, and at least one of the gap portions includes a third barrier located therein. A rotor and fan motor including a plurality of barriers formed on the rotor are also provided.

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