To provide a BLDC motor for a hair dryer which uses a sintered bearing and improves vibrations and noise.
An outward rotation type BLDC motor driving a blower fan 10 includes: a sintered bearing 60 supporting a rotary shaft 22; a lower bearing cap 71 and a thrust washer 73 which are provided at a lower part of a bearing support part 70 and are used for controlling a reference position of the shaft 22; an upper baring cap 72 that is provided at an upper part of the bearing support part 70, prevents an oil of the sintered bearing 60 from leaking to the exterior, and also prevents the sintered bearing 60 from being removed to the exterior; and a heat radiation hole that is formed on an upper surface of a rotor housing 20 where the blower fan 10 is connected with an upper part and is used for radiating heat generated from a stator core 40.
Takao Kawasaki
Fumio Takino
Toshiaki Tsuda
Masashi Torino
Park Ji-un