Samsung Electronics Co., Ltd.

Young-kwan Kim

Tae-ho Yoon

Hong-seok Kim

Hyung-chul Lee

Byoung-soo Ko

The BLDC motor includes a stator, and a rotor disposed inside of the stator and including a plurality of permanent magnet parts, each of the permanent magnet parts including first and second permanent magnets which are disposed to have an interval therebetween. The rotor includes a slot part including a first portion into which the first permanent magnet is inserted, a second portion into which the second permanent magnet is inserted, and a third portion connecting the first and second portions to each other. The first and second portions have one end portions which are spaced apart from each other by a first distance and other end portions which are spaced apart from each other by a second distance which is shorter than the first distance, and the third portion connects the other end portions of the first and second portions to each other.

BLDC motor

An electric motor is provided. The electric motor includes a hollow-shaped stator configured to have a teeth part protruding on an inner surface thereof, and a rotor configured to be inserted into the hollow-shaped rotor, and including an outer surface facing the teeth part, and a plurality of poles therein. The rotor includes a bridge part disposed between poles and has a front rotor groove and a back rotor groove that are each dented at a front and a back of the bridge part with respect to a rotating direction of the rotor.

Growing community of inventors

Anyang-si, South Korea

Young-kwan Kim