Lubricant oil monitoring system, sensor for monitoring lubricant

Details Lubricant oil monitoring system, sensor for monitoring lubricant Lubricant oil monitoring system, sensor for monitoring lubricant

1987-06-29

1988-11-01

Levy, Stewart J.

Communications: electrical

Condition responsive indicating system

Specific condition

340 59, G08B 2100

Patent

active

047823321

ABSTRACT:
The invention relates to an improved sensor for use in-situ in an electrical circuit which sensor corrodes as a result of deterioration of the oil and provides a changing electrical current due to increased resistance resulting from said corrosion. The sensor preferably is a ceramic tube havign a first layer of electrolessly deposited nickel thereon with a second layer of electrolitically plated lead. Leads are attached to the ends of the tube and the sensor can then be employed in-situ in oil to, as a result of its corroding and change in resistivity, measure deteriorating oil quality.

REFERENCES:
patent: 4464070 (1987-02-01), Yasuhara et al.
patent: 4628252 (1986-12-01), Terhune et al.
patent: 4675662 (1987-06-01), Kondo et al.

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