Patent ID: 8568110
Filing Date: 2013-10-29
Classification: F04D,H02K,Y10T

Abstract:
1. A blower fan comprising: a rotor arranged to rotate about a rotation axis together with a shaft; a stator arranged radially outward of the rotor and opposite to the rotor; a motor support portion arranged to support the shaft through a bearing such that the shaft is rotatable with respect to the stator; an impeller arranged to rotate together with the shaft; and a plurality of stationary vanes integrally defined with the motor support portion; wherein the motor support portion includes a base portion, a bearing support portion arranged to support the bearing, and a stator support portion arranged to support the stator; each of at least a portion of the bearing support portion which is in contact with the bearing and at least a portion of the stator support portion which is in contact with the stator is defined by a metallic member coupled to the base portion by being at least partially embedded within a resin material defining a portion of the base portion; the stator support portion includes a resin layer arranged radially outside the metallic member in the stator support portion; and the plurality of stationary vanes are arranged radially outside the resin layer, the plurality of vanes including at least a portion which overlaps with the metallic member in a radial direction.