Measuring and testing – Volume or rate of flow – Combined
Patent
1990-12-21
1992-03-31
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Combined
73272A, 7386177, G01F 1500
Patent
active
050996878
ABSTRACT:
An electrical isolation system for monitoring liquid flow rate from pumping equipment housed within a confined enclosure, wherein the flow rate signals are developed into optical signals which are conveyed via fiber optic cables from within the enclosure to control modules outside the enclosure. The control for operating the system may thereby be wholly electrically isolated from the pumping equipment.
REFERENCES:
patent: 4140013 (1979-02-01), Hunger
patent: 4936151 (1990-06-01), Tokio
Brajdich Anthony G.
Lunzer Lawrence J.
Goldstein Herbert
Graco Inc.
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