Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Patent
1979-10-09
1981-09-08
Ruehl, Charles A.
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
G01F 160
Patent
active
042877741
ABSTRACT:
A magnetic flowmeter having a pair of opposed pick-up electrodes equipped with ultrasonic cleaning transducers powered from an ultrasonic generator. A sequencer places the flow signal processing system in a hold state during activation of the transducers so as to eliminate interference with the flow signal.
REFERENCES:
patent: 3316762 (1967-05-01), Westersten
patent: 3479873 (1969-11-01), Hermanns
Freund, Jr. William R.
Grebe, Jr. John C.
Emerson Electric Co.
Ruehl Charles A.
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