FLOW CONTROL DEVICE WITH VARIANT ORIFICE
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United States of America Patent
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N/A
Issued Date -
Sep 10, 2015
app pub date -
Mar 3, 2015
filing date -
Mar 7, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A flow control device includes a seal element and a flow element that in a first position presents a first flow area and in a second position presents a second flow area. Also presented is a flow element with a variant orifice for a flow control device. The flow element may have a hollow body and at least one flow opening in a wall of the hollow body. In another embodiment, the at least one flow opening may have a first flow area at a first position relative to a reference axis and a second flow area at a second position relative to the reference axis. An embodiment of a seal element is presented in which the seal element includes a first portion, a second portion, and a transition portion that joins the first portion and the second portion. The transition portion isolates the second portion from stresses applied to the first portion.
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