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    • 5. 发明专利
    • Diaphragm pump
    • DIAPHRAGM泵
    • JP2007071070A
    • 2007-03-22
    • JP2005257376
    • 2005-09-06
    • Alps Electric Co Ltdアルプス電気株式会社
    • NAKAJIMA JIROONISHI HITOSHI
    • F04B43/02F04B43/04F16K15/14
    • F04B43/04F04B43/023F04B43/046
    • PROBLEM TO BE SOLVED: To provide a four-valve diaphragm pump having less possibility of liquid leakage.
      SOLUTION: The diaphragm pump is provided with an upper housing, a pumping chamber plate, a diaphragm and a lower housing which are stacked in order. A pumping chamber forming recess to form one side pumping chamber facing the diaphragm in the lower housing single structure, an inlet port having a first inlet-side check valve, and a discharge port having a first discharge-side check valve communicating with the pumping chamber forming recess are formed in the lower housing. The pumping chamber forming recess to form the other pumping chamber facing the diaphragm, a second inlet-side check valve, and a second discharge-side check valve are formed in the pumping chamber plate. An inlet-side flow passage between the plates and a discharge-side flow passage between the plates branched from the inlet port and discharge port, respectively, of the lower housing and connected to the second inlet-side check valve and the second discharge side valve are formed between the upper housing and the pumping chamber plate.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种四阀隔膜泵,其具有较少的液体泄漏的可能性。

      解决方案:隔膜泵设置有依次堆叠的上壳体,泵室板,隔膜和下壳体。 一个泵送室形成凹槽,以形成一个侧面泵送室,其面向下壳体单一结构中的膜片,一个具有第一入口侧止回阀的入口和一个具有与泵送室连通的第一排放侧止回阀的排出口 形成凹部形成在下壳体中。 泵送室形成凹部以形成面对隔膜的另一个泵送室,第二入口侧止回阀和第二排放侧止回阀形成在泵送室板中。 在所述板与所述下壳体的分别从所述入口端口和排出口分别连接并连接到所述第二入口侧止回阀和所述第二排出侧阀的板之间的排出侧流路之间的入口侧流路 形成在上壳体和泵送室板之间。 版权所有(C)2007,JPO&INPIT