Method of measuring flow, and flow meter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 4, 2000
Grant Date -
N/A
app pub date -
Jun 30, 1998
filing date -
Jul 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flow meter for measuring the flow in a dielectric pipe is disclosed. Two microwave signals are transmitted at measurement points via at least two transmitter antennae through the dielectric pipe and a flowing material. The distance between the measurement points is known. The signals that have passed through are received by receiver antennae and signal cross correlation is formed by a correlator, the flow rate being determined on the basis of the best correlation result. The measurement result is improved by filtering and/or directing the signals.
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