Fluid flow controller and meter
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United States of America Patent
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-
Aug 27, 1996
Issued Date -
N/A
app pub date -
Jan 17, 1995
filing date -
Nov 29, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid flow controller and meter including a metering tube with a bore formed axially therein having a slit-like orifice axially disposed and intersecting the bore along the length thereof. Flow through the meter is controlled by a valve member which moves in the passage of the metering tube and across the slit-like orifice. In a preferred embodiment, the slit-like orifice is in fluid communication with a site tube which contains a flow sensitive element which is responsive to the flow induced. The slit-like orifice achieves a linear flow response to changes in the relative position of the valve member.
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