Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-04-04
1976-09-14
Rolinec, R. V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
204244, 324 30B, G01N 2742
Patent
active
039809463
ABSTRACT:
In apparatus for measuring the electrical resistance of a liquid employing two parallel channels for the liquid, a single induction coil is located at one of the points of connection of the channels and a single measuring coil at the other of said points of connection. In this way, parasitic electric circuits in the liquid and mutual interaction between the coils are avoided. The coils are preferably arranged coaxially above respective circular passages connecting the parallel channels.
REFERENCES:
patent: 2607223 (1952-08-01), Fleming
patent: 3387209 (1968-06-01), Eames et al.
patent: 3396331 (1968-08-01), Sperry
Dubno Herbert
Rolinec R. V.
Ross Karl F.
Societe Anonyme Automobiles Citroen
Tokar Michael J.
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