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    • 5. 发明公开
    • BACK PRESSURE REGULATOR WITH FLOATING SEAL SUPPORT
    • 带浮动式密封支撑的后压力调节器
    • EP2724060A1
    • 2014-04-30
    • EP12802255.5
    • 2012-06-23
    • Equilibar, LLC
    • JENNINGS, Jeffrey DeanTANG, Tony BoydROBERTS, Keith Alan
    • F16K7/17G05D16/06
    • A sealing apparatus for a back pressure regulator includes: a body defining a process surface, and including: at least one process void communicating with the process surface; a recess disposed in the process surface; a floating support hub disposed in the recess, carrying an O-ring; a vent void communicating with the recess; an inlet port disposed in fluid communication with the at least one process void and adapted to be coupled in fluid communication with a fluid at a process pressure; and an outlet port disposed in fluid communication with the vent void; and a diaphragm having opposed reference and process sides, the diaphragm disposed against the body such that the process side is substantially coplanar with the process surface.
    • 一种用于背压调节器的密封装置,包括:主体,限定处理表面并且包括:与处理表面连通的至少一个处理空间; 设置在处理表面中的凹部; 设置在所述凹部中的浮动支撑毂,其承载O形环; 与凹槽连通的通气孔; 入口端口,所述入口端口设置成与所述至少一个处理空间流体连通,并且适于在处理压力下与流体流体连通地联接; 以及设置成与通风空间流体连通的出口端口; 以及具有相对的参考侧和处理侧的隔膜,所述隔膜抵靠所述主体布置,使得所述处理侧基本上与所述处理表面共面。