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    • 1. 发明申请
    • PUMP DIAPHRAGM RUPTURE DETECTION
    • 泵隔膜破裂检测
    • WO2005060414A3
    • 2005-09-15
    • PCT/US2004033267
    • 2004-10-06
    • WANNER ENGINEERINGHEMBREE RICHARD D
    • HEMBREE RICHARD D
    • F04B43/00F04B43/067F16J3/02
    • F04B43/0054F04B43/009F04B43/067F16J3/02
    • A hydraulically driven pump includes a first chamber exposed to a process fluid, a second chamber configured to retain a hydraulic fluid, and a multilayer diaphragm positioned between the first and second chambers. The diaphragm includes a first layer in contact with the process fluid being pumped, a second layer in contact with the hydraulic fluid, and a third layer that includes an elastomeric base material and an elastomeric conductive trace embedded in the elastomeric base material. The third layer is positioned between the first and second layers and being movable relative to the first and second layers. Changes in an electrical resistance of the conductive trace indicate a failure condition in one of the first, second and third layers.
    • 液压驱动的泵包括暴露于过程流体的第一腔室,构造成保持液压流体的第二腔室以及定位在第一腔室和第二腔室之间的多层隔膜。 隔膜包括与被泵送的过程流体接触的第一层,与液压流体接触的第二层以及包括弹性基体材料和嵌入弹性基体材料中的弹性体导电迹线的第三层。 第三层位于第一和第二层之间并且可相对于第一和第二层移动。 导电迹线的电阻的变化指示第一,第二和第三层之一中的故障状况。
    • 2. 发明申请
    • DIAPHRAGM PUMP POSITION CONTROL WITH OFFSET VALVE AXIS
    • 离型泵位置控制与偏心阀轴
    • WO2008137515A1
    • 2008-11-13
    • PCT/US2008/062169
    • 2008-05-01
    • WANNER ENGINEERING, INC.HEMBREE, Richard, D.
    • HEMBREE, Richard, D.
    • F04B43/067F04B43/073F04B43/00
    • F04B43/067F04B43/0081F04B43/073
    • A diaphragm pump, comprising a diaphragm. (33) movable between first and second positions along a first axis; a pumping chamber (24) on one side of the diaphragm the pumping chamber adapted to carry a fluid to be pumped; a transfer chamber (20) on the other side of the diaphragm, the transfer chamber being filled with a hydraulic fluid; first and second one-way valves;.a fluid reservoir in fluid communication with the transfer chamber via the first and second valves; and a valve spool (42) positioned in the transfer chamber control fluid flow through the first and second valves, the valve spool moveable along a second axis that is different from the first axis^ between a plurality of positions relative to openings to the first and second valves.
    • 隔膜泵,包括隔膜。 (33)可沿着第一轴线在第一和第二位置之间移动; 在所述隔膜的一侧上的泵送室(24),所述泵送室适于承载待泵送的流体; 在所述隔膜的另一侧上的传送室(20),所述传送室充满液压流体; 第一和第二单向阀;经由第一和第二阀与转移室流体连通的流体储存器; 并且位于所述传送室中的阀芯(42)控制流过所述第一和第二阀的流体,所述阀芯沿着与所述第一轴线不同的第二轴线相对于所述第一和第二开口的多个位置可移动, 第二个阀门。
    • 3. 发明申请
    • PUMP DIAPHRAGM RUPTURE DETECTION
    • 泵浦膜片破裂检测
    • WO2005060414A2
    • 2005-07-07
    • PCT/US2004/033267
    • 2004-10-06
    • WANNER ENGINEERING, INC.HEMBREE, Richard, D.
    • HEMBREE, Richard, D.
    • F04B43/00F04B43/067F16J3/02
    • F04B43/0054F04B43/009F04B43/067F16J3/02
    • A hydraulically driven pump includes a first chamber exposed to a process fluid, a second chamber configured to retain a hydraulic fluid, and a multilayer diaphragm positioned between the first and second chambers. The diaphragm includes a first layer in contact with the process fluid being pumped, a second layer in contact with the hydraulic fluid, and a third layer that includes an elastomeric base material and an elastomeric conductive trace embedded in the elastomeric base material. The third layer is positioned between the first and second layers and being movable relative to the first and second layers. Changes in an electrical resistance of the conductive trace indicate a failure condition in one of the first, second and third layers.
    • 液压驱动的泵包括暴露于过程流体的第一室,被配置为保持液压流体的第二室和位于第一和第二室之间的多层隔膜。 隔膜包括与被泵送的工艺流体接触的第一层,与液压流体接触的第二层,以及包括弹性体基体材料和嵌入弹性基体材料中的弹性体导电迹线的第三层。 第三层位于第一层和第二层之间,并且可相对于第一层和第二层移动。 导电迹线的电阻的变化表示在第一层,第二层和第三层之一中的故障状态。