Oil and lubricant degradation detector

Details Oil and lubricant degradation detector Oil and lubricant degradation detector

G - Physics

01

N

150/19, 324/23

G01N 33/26 (2006.01)

Patent

CA 1206079

ABSTRACT OF THE DISCLOSURE Disclosed is a detector for indicating visually or by providing a warning signal as to the amount of chemical degradation suffered by a pressurized or unpressurized oil or lubricant containing negatively charged sulfur ions that has been exposed to elevated temperature. In its visual form detector (20, 20A) has . a portion (1, 1A) made from material able to provide positively charged copper ions when emersed in the oil or lubricant and has sufficient mass to support a coating (9, 9A) that is a reaction product of the positively charged copper ions and the negatively charged sulfur ions. The detector in the form of detector (20B), 20C) is also able to provide a warning signal (17) by opening an electrical circuit (19) as a result of having a portion (1B, 1C) made from a positively charged copper ion producing material of sufficient mass that enables the material to be eroded by sulfur containing acids sufficiently to open the electrical circuit.

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