Electromagnetic flow meter

Details Electromagnetic flow meter Electromagnetic flow meter

1994-03-21

1995-11-28

Chilcot, Jr., Richard E.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386146, G01F 100

Patent

active

054697468

ABSTRACT:
An electromagnetic flow meter for industries includes a transducer and a signal processor provided separately from the transducer. The transducer having an exciting circuit, an amplifying and calculating part and a transmitting part outputs an analog flow rate signal and digital signals which are superimposed to the an analog flow rate signal to the signal processor. The analog signal sent to the signal processor is passed through the signal processor without receiving any signal processing and the digital signals are sent into the transducer or taken into the signal processor through alternating current coupling means. The data transmission is diagnosed by checking the conformity between the data stored in the signal sending part and the received data. Data set in a data setting part provided in the signal processor are sent to the transducer through a transmitting cable in which the flow rate data are also transmitted.

REFERENCES:
patent: 4520488 (1985-05-01), Hoowvig et al.
patent: 4676112 (1987-06-01), Uematsu et al.
patent: 4797669 (1989-01-01), McGowan, III et al.
patent: 4806905 (1989-02-01), McGowan, III et al.
patent: 5207105 (1993-05-01), Fukunaga et al.

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