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    • 2. 发明专利
    • Turbo molecular pump rotor
    • 涡轮分子泵转子
    • JP2011033027A
    • 2011-02-17
    • JP2010167827
    • 2010-07-27
    • Pfeiffer Vacuum Gmbhプファイファー・ヴァキューム・ゲーエムベーハー
    • BERNHARDT HELMUTTATZBER BERNHARD
    • F04D19/04
    • F04D19/042F04D27/008
    • PROBLEM TO BE SOLVED: To avoid risks that a rotor body is destroyed and energy accumulated therein is rapidly discharged to a housing, so-called an explosion.
      SOLUTION: A shaft supports a first rotor structure 101, and the first rotor structure includes a rotor blade ring 119 and a blade 123. Moreover, the first rotor structure 101 supports a rotor sleeve 124 and includes a recess 130. The recess 130 extends in an axial direction and a radial direction to form a hollow space. A size of a fragment is reduced and a destruction process is extended while including the recess extending in the axial direction and existing at a radial direction inside, namely the recess extending in the radial direction from a symmetric rotation axis line so as to from the hollow space.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了避免转子体被破坏并积聚在其中的能量迅速排放到外壳的风险,即所谓的爆炸。 解决方案:轴支撑第一转子结构101,并且第一转子结构包括转子叶片环119和叶片123.此外,第一转子结构101支撑转子套筒124并且包括凹部130.凹部 130在轴向和径向方向上延伸以形成中空空间。 碎片的尺寸减小,破坏过程延伸,同时包括在轴向方向上延伸并且在径向方向上存在的凹部,即从对称旋转轴线沿径向方向延伸的凹部,从而从中空 空间。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Vacuum pump
    • 真空泵
    • JP2014051969A
    • 2014-03-20
    • JP2013160344
    • 2013-08-01
    • Pfeiffer Vacuum Gmbhプファイファー・ヴァキューム・ゲーエムベーハー
    • ROBERT WATZTATZBER BERNHARDHERBERT STAMMLER
    • F04D19/04
    • F04D19/044F04D19/04F04D19/042F04D29/263F04D29/266F04D29/321
    • PROBLEM TO BE SOLVED: To provide a vacuum pump having a configuration preventing a rotor from rotating relative to a shaft without making the pump costly.SOLUTION: The present invention relates to a vacuum pump comprising: at least one gas inlet opening; at least one gas outlet opening; at least one rotor shaft; at least one rotor mounted on the rotor shaft and having a rotating pump active component arranged opposite a stationary pump active component; and at least one fastening element extending in an axial direction and provided in the center of the rotor shaft to secure the rotor on the rotor shaft. The at least one rotor and the at least one rotor shaft are provided with a rotation preventing part in addition to the at least one fastening element.
    • 要解决的问题:提供一种真空泵,其具有防止转子相对于轴转动而不使泵变得昂贵的结构。解决方案:本发明涉及一种真空泵,包括:至少一个气体入口; 至少一个气体出口; 至少一个转子轴; 至少一个转子安装在所述转子轴上并且具有与固定泵有源部件相对布置的旋转泵有源部件; 以及至少一个紧固元件,其沿轴向延伸并设置在转子轴的中心,以将转子固定在转子轴上。 除了至少一个紧固元件之外,至少一个转子和至少一个转子轴设置有旋转防止部分。