Nidec Corporation

Satoru Otsu

Hiroyoshi Teshima

Kiyoto Ida

Tomohiro Hasegawa

Takahiro Kikuichi

Shunji Matsumoto

Mitsuhito Nishio

Noriaki Yamada

There is provided a blower fan including a motor. In its bearing apparatus, the inner circumferential surface of the rotor cylindrical portionand the outer circumferential surface of the bearing portion are arranged to together define a seal gap. The bushingincludes a bushing base portionand a bushing cylindrical portion. The inner circumferential surface of the bushing cylindrical portionand the outer circumferential surface of the rotor cylindrical portionare arranged to together define a vertical gap. The vertical gap is arranged to have a minimum radial width equal to or smaller than a maximum width of the seal gap. A lower end portion of the rotor raised portionand an upper end portion of the bushing cylindrical portionare arranged to together define a second horizontal gap

Blower fan

Growing community of inventors

Kyoto, Japan

Satoru Otsu