Dynamic mixed gas flowmeter

Measuring and testing – Volume or rate of flow – Thermal type

Reexamination Certificate

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Details

C073S204230

Reexamination Certificate

active

10641685

ABSTRACT:
A compensated flowmeter having a probe adapted to project into flowing media within a conduit. The probe includes a thermal dispersion sensor, and a compensating gas properties sensor contained within a no-flow chamber of the probe. The thermal flow sensor has active and reference sensor elements that responsively provide output signals relating to a flow rate of the media. The compensating gas properties sensor has compensating active and reference sensor elements that responsively provide output signals relating to the heat transfer of the media. A suitable processor is typically implemented for adjusting the measured flow rate detected by the thermal dispersion sensor to compensate for changes in heat transfer detected by the compensating gas properties sensor.

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