Internal post flow control
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United States of America Patent
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May 29, 2007
Grant Date -
Apr 27, 2006
app pub date -
Oct 21, 2004
filing date -
Oct 21, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A flow control including an annular flexible member and an internal post disposed downstream of the flexible member is described. The annular flexible member has a deflectable inner edge that defines a passage channel and the annular flexible member and internal post define a control gap therebetween wherein the deflectable inner edge of the annular flexible member deflects axially under increasing fluid pressure to reduce the control gap and consequently control fluid flow.
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