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    • 6. 发明公开
    • PUMPELEMENT UND PUMPE MIT EINEM SOLCHEN PUMPELEMENT
    • EP2010784A1
    • 2009-01-07
    • EP07723635.4
    • 2007-03-27
    • Hahn-Schickard-Gesellschaft für angewandte Forschung e.V.
    • KÜCK, HeinzBENZ, DanielWOLTER, Frank
    • F04B7/04F04B7/00F04B17/04F04B53/12
    • F04B7/0076F04B7/04F04B17/042F04B17/044F04B53/12
    • A pump element (10) comprises a pump element housing (14), which defines a pump chamber (18) having an inlet (20) and an outlet (22), and at least one first movable element (24), which can be displaced in the pump chamber between first and second positions. During a displacement of the first movable element in the direction from the first into the second position, a flow resistance of a flow path from the first movable element through the inlet is greater than a flow resistance of a flow path between the pump element housing and the first movable element. During a displacement of the first movable element in the direction from the second into the first position, a flow resistance of a flow path from the first movable element through the outlet is greater than a flow resistance of the flow path between the pump element housing and the first movable element. As a result, during a back and forth displacement of the first movable element between the first and second position, a net flow occurs through the outlet.
    • 泵元件(10)包括限定具有入口(20)和出口(22)的泵室(18)的泵元件壳体(14)以及至少一个第一可动元件(24),所述第一可动元件可以是 在泵室中在第一和第二位置之间移位。 在第一可移动元件沿从第一位置到第二位置的方向移位期间,从第一可移动元件通过入口的流动路径的流动阻力大于泵元件外壳和第二可移动元件之间的流动路径的流动阻力 第一可移动元件。 在第一可移动元件沿从第二位置到第一位置的方向移位期间,从第一可移动元件通过出口的流动路径的流动阻力大于泵元件外壳和第二可移动元件之间的流动路径的流动阻力 第一可移动元件。 结果,在第一可移动元件在第一和第二位置之间前后移位期间,通过出口发生净流量。