Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-03-25
1979-01-30
Tokar, M.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 65R, G01N 2742
Patent
active
041374959
ABSTRACT:
This invention is concerned with an oil detector comprising a pair of electrodes having therebetween a capillary channel of such a size that water and oil will be held therein by surface tension, and means for electrically connecting the electrodes to a measuring circuit.
REFERENCES:
patent: 2082213 (1937-06-01), O'Donnell
patent: 3234117 (1966-02-01), Rost et al.
patent: 3265962 (1966-08-01), Otto, Jr.
patent: 3523070 (1970-08-01), Silverman et al.
patent: 3781660 (1973-12-01), Ludt
patent: 3800219 (1974-03-01), Fosberg
patent: 3916674 (1975-11-01), Miller
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