Scalable averaging insertion vortex flow meter
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United States of America Patent
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Jan 31, 2006
Grant Date -
Oct 6, 2005
app pub date -
Apr 5, 2004
filing date -
Apr 5, 2004
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An insertion vortex flow meter for measuring a flow rate of a process fluid in a pipe has a mounting assembly, a shedding bar and a sensor assembly. The mounting assembly is attached to a surface of the pipe adjacent an opening in a side wall of the pipe. The shedding bar is inserted through the opening and extends an entire diameter of the pipe. The shedding bar is held in place by a compression force exerted by the sensor assembly on a proximal end of the shedding bar, such that the shedding bar is held by the compressive force between the sensor assembly and an opposing side wall of the pipe. The sensor assembly is adapted to measure motion of a pivoting element corresponding to vortices in the process fluid caused by the shedding bar. The sensor assembly adapted to produce an output indicative of the volumetric flow rate based on the frequency of the measured motion.
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