The suction is provided by a suction unit of the side channel blower type, with direct coupling between the fan and the motor shaft and no transmission system.
吸尘系统是旁路鼓风马达，是由风扇和马达轴直联而成，没有传输装置。
2
A cyclone flow generates in the blower duct (20) by the first air inflow hole (31) and the suction force of the blower box.