MULTI-WING CENTRIFUGAL FAN AND MULTI-WING CENTRIFUGAL BLOWER EQUIPPED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a multi-wing centrifugal fan for suppressing the generation of noise without increasing the number of components, and a multi-wing centrifugal blower.;SOLUTION: A multi-wing centrifugal fan 100 connected to a motor 2 having a driving shaft 2a, includes: a hub 4 having a circular outer peripheral portion; a boss portion 3 which is formed at a center portion 4a of the hub 4, and has a driving shaft hole 3a in which the driving shaft 2a is inserted; a plurality of blades 5a provided at intervals on the outer peripheral portion of the hub 4, and standing in an axial direction of the driving shaft 2a; and a vibration control bridge 10 which is a hollow disc member configured by different components from the plurality of blades 5a, and couples adjacent blades 5a.;COPYRIGHT: (C)2014,JPO&INPIT