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    • 7. 发明授权
    • Blower and design method of discharge port thereof
    • 排风口鼓风机及其设计方法
    • US07473070B2
    • 2009-01-06
    • US11253746
    • 2005-10-20
    • Sung Bae SongSang Bum SohnJe Jun Lee
    • Sung Bae SongSang Bum SohnJe Jun Lee
    • H05B6/64
    • H05B6/6423
    • A blower comprising: a centrifugal fan; a driving unit for rotating the centrifugal fan; a bracket including a base fixedly-coupled to one side of the driving unit and a protrusion protruded from the base in a shaft direction of the centrifugal fan; and a fan housing fixedly-coupled to the bracket so as to rotatably receive the centrifugal fan, and including a suction port formed at one side of the bracket in the shaft direction of the centrifugal fan so as to suck air by the rotation of the centrifugal fan, and a discharge port formed in a perpendicular direction of the suction port, for discharging the air sucked through the suction port, wherein one side of the discharge port is formed in ‘V’ shape by a first inclination surface formed in the protrusion of the bracket and a second inclination surface formed at the fan housing which is contact with one end of the protrusion, and at least one of the first and second inclination surfaces is formed in a curved line so as to increase a discharge area of the discharge port, whereby a flow rate discharged through the discharge port can uniformly be distributed so as to reduce noise and simultaneously increase a discharged air volume.
    • 一种鼓风机,包括:离心式风扇; 用于旋转离心风扇的驱动单元; 支架,其包括固定地联接到所述驱动单元的一侧的基座和从所述基座沿所述离心风扇的轴向突出的突起; 以及风扇壳体,其固定地联接到所述支架以便可旋转地容纳所述离心风扇,并且包括形成在所述托架的一侧的所述离心风扇的轴向上的吸入口,以通过所述离心风扇的旋转来吸入空气 风扇和在吸入口的垂直方向上形成的排出口,用于排出通过吸入口吸入的空气,其中排出口的一侧由形成在突起中的第一倾斜面形成为“V”形状 所述支架和形成在与所述突起的一端接触的风扇壳体处的第二倾斜面,并且所述第一和第二倾斜面中的至少一个形成为曲线,以增加所述排出口的排出面积 从而通过排出口排出的流量可以均匀地分布,以便降低噪音并同时增加排出的空气量。