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    • 6. 发明授权
    • Diaphragm-sealed valve having intermediate communication ports
    • 隔膜密封阀具有中间连通端口
    • US08104506B2
    • 2012-01-31
    • US12170853
    • 2008-07-10
    • Yves GamacheAndre Fortier
    • Yves GamacheAndre Fortier
    • F16K7/16
    • G01N30/20F16K7/12F16K7/14G01N2030/202Y10T137/86879Y10T137/86919Y10T137/87161Y10T137/87249G01N2030/205
    • A diaphragm-sealed valve having communication mechanisms operatively connecting neighboring pairs of grooves is provided. Each communication mechanism has a communication port opening in an interface of a valve cap, between the neighboring grooves. The communication mechanism also has a communication conduit extending within the valve cap and connecting the communication port and one of the neighboring grooves. It also has a recess within a valve body aligned with the communication port and with the other one of the neighboring grooves, a flexible sealing surface of the diaphragm being seated within the recess and resiliently biased away from the interface of the valve cap. A plunger assembly is also provided, including plungers movable to push flexible sealing surface towards the communication port.
    • 提供了一种隔膜密封阀,其具有可操作地连接相邻的槽对的连通机构。 每个通信机构具有在相邻槽之间的阀盖的接口中开口的连通口。 通信机构还具有在阀盖内延伸并连通通信端口和相邻槽之一的连通导管。 它还具有与阀体内的凹槽,该阀体与连通口对准,并与另一个相邻的凹槽对准,隔膜的柔性密封表面位于凹槽内并弹性地偏离阀盖的界面。 还提供一种柱塞组件,其包括可移动以将柔性密封表面推向通信端口的柱塞。