Electromagnetic flow meter
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United States of America Patent
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-
Oct 18, 1983
Grant Date -
N/A
app pub date -
Aug 6, 1980
filing date -
Feb 8, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic flow meter with less power consumption in which an instantaneous pulsate current with alternately changing polarity at given intervals is fed into an exciting coil, and a velocity of flow of fluid is calculated by using a voltage produced between electrodes in accordance with a residual magnetic flux of a magnetic circuit and a flow velocity of the fluid when no exciting current flows.
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