Electrode wiring harness for magnetic flowmeter

Details Electrode wiring harness for magnetic flowmeter Electrode wiring harness for magnetic flowmeter

1981-11-06

1984-01-31

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386116, G01F 160

Patent

active

044282419

ABSTRACT:
An electrode wiring harness for an electromagnetic flowmeter which includes a non-magnetic metal spool having an insulating liner to define a flow conduit for the fluid to be metered, a pair of electrodes being mounted on the spool at diametrically-opposed positions along a transverse axis which is normal to the axis of the electromagnet assembly. The assembly is excited by a pulsatory wave to establish a magnetic field in the conduit that is intercepted by the fluid to induce a signal in the electrodes as a function of flow rate. The harness is constituted by a printed circuit board connected to the electrodes and disposed in a plane parallel to the electrode axis. The board has a conductive pattern thereon providing wiring from the electrodes to an external converter, the pattern including a loop coaxial with the electromagnet axis, whereby voltages induced therein by the magnetic field are balanced out.

REFERENCES:
patent: 4181018 (1980-01-01), Schmoock
patent: 4346604 (1982-08-01), Snook et al.

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