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    • 10. 发明授权
    • Radial flow turbomolecular vacuum pump
    • 径向涡轮分子真空泵
    • US06508631B1
    • 2003-01-21
    • US09442712
    • 1999-11-18
    • Donald K. SmithMatthew M. Besen
    • Donald K. SmithMatthew M. Besen
    • F04B4906
    • F04D17/127F04D17/168F04D19/042
    • A radial flow turbomolecular vacuum pump includes a gas inlet, a gas outlet, a rotor, and a stator. The rotor includes a first rotor surface that is positioned in a substantially radial direction. A plurality of blades extends from the first rotor surface in a substantially axial direction. The stator includes a first stator surface that is positioned proximate to the first rotor surface in the substantially radial direction. A first and second plurality of vanes extend from the first stator surface and generally forms an annulus therebetween for receiving the first plurality of blades. A drive shaft is coupled to the rotor and positioned in the substantially axial direction. A motor is coupled to the drive shaft and rotates the rotor relative to the stator. The rotation of the rotor relative to the stator causes gas to be pumped from the gas inlet to the gas outlet in the substantially radial direction.
    • 径向涡轮分子真空泵包括气体入口,气体出口,转子和定子。 转子包括位于大致径向的第一转子表面。 多个叶片从大致轴向从第一转子表面延伸。 定子包括在基本上径向方向上靠近第一转子表面定位的第一定子表面。 第一和第二多个叶片从第一定子表面延伸并且通常在其间形成环形空间以接收第一多个叶片。 驱动轴联接到转子并且在大致轴向方向上定位。 电动机联接到驱动轴并使转子相对于定子旋转。 转子相对于定子的旋转使得气体在大致径向方向从气体入口被泵送到气体出口。