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    • 3. 发明公开
    • Electric pump
    • Elektrisch angetriebene Pumpe。
    • EP0286404A2
    • 1988-10-12
    • EP88303107.2
    • 1988-04-07
    • EATON S.A.M.
    • Buffet, Jean Claude
    • F04B17/04F04B43/04
    • F04B43/04F04B15/06
    • A pump drives a diaphragm with a vibrating solenoid armature of the sort often used for solenoid water valves. The vibrations arise from half wave rectified ac. The output side of the diaphragm communicates with anti-parallel duck beak (or duck bill) valves, to provide high pressure and low pressure ports. Virtues are simplicity and cost.
      A pump body 3, housing the upper components, guides the armature 2, supports the coil 1, mates with a valve body 9 which houses the lower components, and clamps downward on the edge 5ʺ of the diaphragm 5. Its lower extremity 10 is bell-mouthed to match the valve body and to form a chamber for the diaphragm.
      A valve holder 8 within the valve body presses the exit valve 6 and has an extension tube which contains the inlet duck bill valve 7. The valve holder also clamps upwards on the edge 5ʺ of the diaphragm.
      The lower end of the armature may have a forced-on resilient buffer piece 22, which is integral with the central part of the diaphragm 5, to impinge vibratingly on a central portion of the valve holder 8 in order economically and simply to reduce shocks, wear and noise.
    • 一个泵用一个经常用于电磁水阀的振动螺线管电枢驱动隔膜。 振动产生于半波整流交流。 隔膜的输出侧与反平行鸭嘴(或鸭嘴)阀连通,以提供高压和低压端口。 美德是简单和成本。 容纳上部部件的泵体3引导电枢2,支撑线圈1与容纳下部部件的阀体9配合,并且在隔膜5的边缘5“上向下夹持。其下端10 被打开以匹配阀体并形成隔膜室。 阀体内的阀座8挤压出口阀6,并具有一个包含进口鸭嘴阀7的延伸管。阀保持器还在隔膜的边缘5“上向上夹紧。 衔铁的下端可以具有与隔膜5的中心部分成一体的强制弹性缓冲件22,以便经济地且简单地以振动方式冲击在阀保持器8的中心部分上,以减少冲击, 磨损和噪音。