Fluid flow meter with a body having upstream and downstream conical portions and an intermediate cylindrical portion
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United States of America Patent
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-
Feb 3, 2009
Grant Date -
Mar 2, 2006
app pub date -
Feb 26, 2003
filing date -
Apr 17, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mass flow meter device utilizing a housing having a wall portion forming a chamber with an entrance and exit for passing fluid through the same. A body is located within the chamber and is composed of a first conical portion, a second conical portion, and a cylindrical portion positioned intermediate the first and second conical portions. The body is held within the chamber in a standard or reverse direction. A first pressure probe or sensor measures the fluid pressure at the apex of the first conical portion while a second pressure probe or sensor obtains a second pressure measurement at the cylindrical portion of the body. The comparison of the first and second pressure measurements serves as an indication for the mass flow of fluid through the housing.
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