Carrier Blackman & Associates, P.C.
Impeller for axial flow fan and axial flow fan using the same
There is provided an impeller for an axial flow fan, which includes a plurality of blades arranged in a circumferential direction. In each of the blades, with respect to a center point of a chord length of the blade, a leading edge side shape of the blade and a trailing edge side shape of the blade are line-symmetric, and a shape of the blade at one face side is different from a shape of the blade at the other face side.
Minebea Co., Ltd.
F F
F04D F04D
inventional inventional
Takako Takeshi
Otsuka Ozawa