Flow meter having an electromagnetic sensor probe

Details Flow meter having an electromagnetic sensor probe Flow meter having an electromagnetic sensor probe

1983-06-01

1984-07-17

Swisher, S. Clement

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386115, G01F 158

Patent

active

044598580

ABSTRACT:
A flow meter for measuring the velocity of fluid flow in a conduit is disclosed, characterized in that an electromagnetic sensor probe is mounted within an opening contained in the conduit for generating electrical signals as a function of the velocity of fluid flow. The probe has a debris shedding head portion which protrudes into the interior of the conduit and includes an electromagnet for generating an electromagnetic field in the fluid, the axis of the field extending normal to the direction of fluid flow. The probe further includes a plurality of electrodes arranged beyond the poles of the electromagnet and adjacent the fluid for producing the electrical signals in response to the flow of fluid through the electromagnetic field. Signal processing apparatus is connected with the sensor probe for converting the electrical signals into a flow velocity output signal.

REFERENCES:
patent: 3668931 (1972-06-01), Zanker et al.
patent: 3834232 (1974-09-01), Gruner et al.
patent: 4079626 (1978-03-01), Gardner
patent: 4125019 (1978-11-01), Cushing
patent: 4297897 (1981-11-01), Young
patent: 4300400 (1981-11-01), Bistrian et al.
Lubcke, "Inductive Flow Measurement by Flat Measuring Probes," Automatisierungspraxis, vol. 12, No. 8, (Aug. 1975), pp. 187-190.

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