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    • 2. 发明申请
    • ONE PIECE DOUBLE MEMBRANE DIAPHRAGM VALVE
    • 一块双膜膜片阀
    • WO2007104333A1
    • 2007-09-20
    • PCT/EP2006/002377
    • 2006-03-15
    • NORGREN GMBHKUHNLE, DanielPFUND, Stefan
    • KUHNLE, DanielPFUND, Stefan
    • F16K11/048F16K31/126F16K7/17
    • F16K7/17F16K11/048F16K31/003F16K31/1268Y10T137/2544Y10T137/782Y10T137/8663Y10T137/8667Y10T137/86686Y10T137/86895
    • A one piece double membrane diaphragm is disclosed. The double membrane diaphragm has an upper (308) and lower diaphragm membrane (310) joined together by a central section (312). The upper diaphragm membrane (308) is configured to seal against a top sealing surface (222) when the diaphragm is in a first position. The lower diaphragm membrane (310) is configured to seal against a bottom sealing surface (224) when the diaphragm is in a second position. An upper rim (318) may be attached to the upper diaphragm membrane (308) where the upper rim (318) is configured to hold the upper diaphragm membrane (308) into the valve. A lower rim (320) may be attached to the lower diaphragm membrane (310) where the lower rim (320) is configured to hold the lower diaphragm membrane (320) into the valve. The diaphragm may also be made from a resilient material and shaped ia such a way as to create a spring force holding the diaphragm into a default position in the valve.
    • 公开了一片双膜隔膜。 双膜隔膜具有通过中心部分(312)连接在一起的上部(308)和下部隔膜(310)。 当隔膜处于第一位置时,上隔膜(308)构造成密封顶部密封表面(222)。 当隔膜处于第二位置时,下隔膜(310)构造成密封底部密封表面(224)。 上边缘(318)可以附接到上隔膜(308),其中上边缘(318)构造成将上隔膜(308)保持在阀中。 下边缘(320)可以附接到下隔膜(310),其中下边缘(320)构造成将下隔膜(320)保持在阀中。 隔膜还可以由弹性材料制成并且成形为使得产生将隔膜保持在阀中的默认位置的弹簧力。