Roots type blower with reduced gaps between the rotors
    2.
    发明授权
    Roots type blower with reduced gaps between the rotors 失效
    罗茨式鼓风机,转子之间的间隙减小

    公开(公告)号:US4666384A

    公开(公告)日:1987-05-19

    申请号:US889594

    申请日:1986-07-25

    IPC分类号: F04C18/18 F04C18/12

    CPC分类号: F04C18/126

    摘要: A Roots type blower wherein a secondary gap distance for rotor is determined in accordance with a cross angle between a normal line at a point of the outer periphery of theoretical base curve of the rotor and a line extending through said point and the rotor center.

    摘要翻译: 根部式鼓风机,其中转子的次级间隙距离根据转子的理论基础曲线外周的法线与延伸穿过所述点的直线与转子中心之间的交叉角度来确定。