Invention Application
US20170002829A1 MULTI-VOLUTE SIROCCO FAN 审中-公开
多功能SIROCCO风扇

MULTI-VOLUTE SIROCCO FAN
Abstract:
Disclosed is a multi-volute sirocco fan (multiblade fan). The present invention relates to a multi-volute sirocco fan configured to discharge fluid into several directions while using one motor and one fan. The sirocco fan according to the present invention comprises: a driving motor; a fan connected to a rotation shaft of the driving motor to thus be rotated therewith, the fan having a plurality of vanes arranged and installed in a cylindrical shape along the circumferential direction thereof; and at least two stacked volutes in the center of which the fan is arranged and installed and which guide the fluid while the cross-sectional area formed by the upper and lower surfaces, side surfaces thereof and the outer circumferential surface of the fan is linearly increased.
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