Mass flow meter with fluid lens
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United States of America Patent
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-
Jul 29, 2008
Grant Date -
Jul 12, 2007
app pub date -
Aug 8, 2006
filing date -
Jan 9, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flow metering apparatus possessing a housing with a chamber including and entrance and an exit for the passageway of fluid therethrough. A flow directing body is located in the chamber and includes first and second conical portions positioned on either side of a cylindrical portion. The body is supported in the chamber in a fixed manner. An orifice is located within the chamber upstream of the first conical portion of the body and is of a predetermined size to control the passage of fluid through the housing chamber. First and second sensors sense the dynamic pressures at the apex of the first conical portion and at a position between the body and a wall of the chamber.
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