Mitsubishi Electric Corporation

Keisuke Takeishi

Hiroki Fukuoka

Makoto Kurihara

Tomoya Fukui

Shinichiro Minami

Makoto Tanishima

Shingo Inoue

A centrifugal fan includes a main plate, a blade connected to the main plate, and a shroud having an annular shape and connected to a shroud-side end of the blade that is an end opposite a main-plate-side end of the blade connected to the main plate. The centrifugal fan rotates about a rotation axis to suction a fluid through an opening of the shroud and discharge the fluid through the blade in a radial direction. A leading edge of the blade includes a recess located next to a point at which a shroud inner surface of the shroud that faces the main plate is connected to the leading edge and curving inwardly from the point toward a trailing edge and a projection located closer to the main plate than is the recess and projecting in the rotation direction.

Growing community of inventors

Tokyo, Japan

Keisuke Takeishi