Resistive wire mass flow meters
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United States of America Patent
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Nov 9, 2004
Grant Date -
N/A
app pub date -
Dec 2, 2002
filing date -
May 11, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flow meter which includes a resistive wire placed in the path of a fluid whereof the flow rate is to be measured. A processing unit for applying current pulses to the wire and for determining the cooling speed of the wire between the pulses. The processing unit also determines a cooling parameter and determines from the cooling parameter data concerning a possible operational drift or anomaly.
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