Electromagnetic flow meter

Details Electromagnetic flow meter Electromagnetic flow meter

1980-08-06

1983-10-18

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386112, G01F 160

Patent

active

044098464

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.

REFERENCES:
patent: 3783687 (1974-01-01), Mannherz et al.
patent: 4204240 (1980-05-01), Schmoock
patent: 4210022 (1980-07-01), Boss
patent: 4227408 (1980-10-01), Schmoock et al.
patent: 4236410 (1980-12-01), Appel et al.

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