Oil test method

Details Oil test method Oil test method

1975-11-21

1977-06-14

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

324 29, 324 65R, 324 71R, G01N 2752

Patent

active

040295540

ABSTRACT:
A method and apparatus for testing the lubricating quality of oil. The apparatus comprises a pair of dissimilar, spaced-apart electrodes, a voltage indicator and circuitry interconnecting the electrodes and the voltage indicator. Upon placing an oil sample between and in contact with the electrodes, oxidation by-products in the oil, built up therein due to deterioration or breakdown of the oil, react with one of the electrodes to form an oxide thereof. The oxidation of the electrode produces a corresponding voltage reading which indicates the lubricating quality of the oil.

REFERENCES:
patent: 1751148 (1930-03-01), Hadaway
patent: 1865847 (1932-07-01), Ennis
patent: 2122578 (1938-07-01), McMaster et al.
patent: 2349992 (1944-05-01), Schrader
patent: 2752566 (1956-06-01), Quinton

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